Sonic Lost World Original Level Order: Difference between revisions
Created page with "== Partial Original Order == Up to a point the game's original level order can be revealed to us by investigating the game's leftover <code>actstgdata.lua</code> file.<syntaxhighlight lang="lua"> old_stage_all = { -- w1 { title = "w1草原", stages = { { name = "w1a01", title = "w1-1:グラスヒル", }, { name = "w1a02", title = "w1-2:インディ洞窟", }, {..." |
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== Partial Original Order == | == Partial Original Order == | ||
Up to a point the game's original level order can be revealed to us by investigating the game's leftover <code>actstgdata.lua</code> file.<syntaxhighlight lang="lua"> | Up to a point the game's original level order can be revealed to us by investigating the game's leftover <code style="color: green;">actstgdata.lua</code> file.<syntaxhighlight lang="lua"> | ||
old_stage_all = { | old_stage_all = { | ||
-- w1 | -- w1 | ||
| Line 145: | Line 145: | ||
==== w1a02 ==== | ==== w1a02 ==== | ||
Starting off just like the final, it swiftly changes gears by heading into <code>w1a02</code> instead of <code>w1a03</code>. However, checking the description of the level (インディ洞窟), it matches up with the final game's <code>xind01</code> suggesting the two stages are one and the same, however the starting positions don't line up. | Starting off just like the final, it swiftly changes gears by heading into <code style="color: red;">w1a02</code> instead of <code style="color: green;">w1a03</code>. | ||
However, checking the description of the level (インディ洞窟), it matches up with the final game's <code style="color: green;">xind01</code> suggesting the two stages are one and the same, however the starting positions don't line up. | |||
{| class="wikitable" | {| class="wikitable" | ||
!xind01 | !xind01 | ||
| Line 155: | Line 156: | ||
==== w1a03 ==== | ==== w1a03 ==== | ||
The following level is <code>w1a03</code>, meaning Act 3 and Act 2 were likely swapped around early into development. | The following level is <code style="color: green;">w1a03</code>, meaning Act 3 and Act 2 were likely swapped around early into development. | ||
==== w1a04 ==== | ==== w1a04 ==== | ||
The order then continues with <code>w1a04</code>, which is originally used as Sky Road Act 1. This suggests that this level was meant to be used in Windy Hill, which is supported by the fact that the level shares a very similar look with that area of the game. | The order then continues with <code style="color: red;">w1a04</code>, which is originally used as Sky Road Act 1. This suggests that this level was meant to be used in Windy Hill, which is supported by the fact that the level shares a very similar look with that area of the game. | ||
==== w1a05 ==== | ==== w1a05 ==== | ||
<code>w1a05</code> shares its description (モアイ) with the level <code>xmoa01 (Silent Forest Act 4)</code> suggesting, just like the previous stage, it was to come much sooner into the game, however once again the starting positions don't line up. | <code style="color: red;">w1a05</code> shares its description (モアイ) with the level <code style="color: green;">xmoa01 (Silent Forest Act 4)</code> suggesting, just like the previous stage, it was to come much sooner into the game, however once again the starting positions don't line up. | ||
{| class="wikitable" | {| class="wikitable" | ||
!xmoa01 | !xmoa01 | ||
| Line 169: | Line 170: | ||
|{ 80, 10067.96, 0 } | |{ 80, 10067.96, 0 } | ||
|} | |} | ||
Looking at <code>xmoa01</code>'s set data reveals a few leftover objects in the sky around <code>w1a05</code>'s spawn position. This list includes: | Looking at <code style="color: green;">xmoa01</code>'s set data reveals a few leftover objects in the sky around <code>w1a05</code>'s spawn position. This list includes: | ||
4x - ObjPointSoundSource | 4x - ObjPointSoundSource | ||
| Line 189: | Line 190: | ||
==== w1c01 ==== | ==== w1c01 ==== | ||
Finally for Windy Hill there's <code>w1c01</code>. Taking note of the change from <code>a</code> to a <code>c</code>, it seems this level wasn't meant to be a normal act but a challenge level. | Finally for Windy Hill there's <code style="color: red;">w1c01</code>. Taking note of the change from <code>a</code> to a <code>c</code>, it seems this level wasn't meant to be a normal act but a challenge level. | ||
Looking at the description (キン斗雲) once again, it reveals to us that this level is non-other than <code>xnim01 (Hidden World Act 1)</code> from the final game, however once again there's a small difference in starting locations. | Looking at the description (キン斗雲) once again, it reveals to us that this level is non-other than <code style="color: green;">xnim01 (Hidden World Act 1)</code> from the final game, however once again there's a small difference in starting locations. | ||
{| class="wikitable" | {| class="wikitable" | ||
!xnim01 | !xnim01 | ||
| Line 199: | Line 200: | ||
|{ 0.00, -95.00, 30.00 } | |{ 0.00, -95.00, 30.00 } | ||
|} | |} | ||
Interestingly enough this leaves the final game's second encounter with Zazz in <code>w1a06</code> nowhere to be seen. | Interestingly enough this leaves the final game's second encounter with Zazz in <code style="color: green;">w1a06</code> nowhere to be seen. | ||
=== Desert Ruins === | === Desert Ruins === | ||
| Line 229: | Line 230: | ||
==== w2a02 ==== | ==== w2a02 ==== | ||
Starting off just like the final, it swiftly changes gears by heading into <code>w2a02</code> instead of <code>xbee01</code>. However, checking the description of the level (スカイチェイス), it matches up with the final game's <code>xsky01</code>, suggesting the two stages are one and the same, however the starting positions don't line up. Interestingly enough this level also has the <code>SKYCHASE</code> tag, meaning it was a level where you controlled the Tornado just like the final iteration of the stage. | Starting off just like the final, it swiftly changes gears by heading into <code style="color: red;">w2a02</code> instead of <code style="color: green;">xbee01</code>. | ||
However, checking the description of the level (スカイチェイス), it matches up with the final game's <code style="color: green;">xsky01</code>, suggesting the two stages are one and the same, however the starting positions don't line up. | |||
Interestingly enough this level also has the <code>SKYCHASE</code> tag, meaning it was a level where you controlled the Tornado just like the final iteration of the stage. | |||
{| class="wikitable" | {| class="wikitable" | ||
!xsky01 | !xsky01 | ||
| Line 237: | Line 240: | ||
|{ 2401.1, 63.06, 3125.81 } | |{ 2401.1, 63.06, 3125.81 } | ||
|} | |} | ||
Test level <code>stg823</code> has the following comment, which is about this level: <code>w2-2：直径20ｍテスト</code>. This comment roughly translates to <code>World 2-2: 20m Diameter Test</code>. | Test level <code style="color: green;">stg823</code> has the following comment, which is about this level: <code>w2-2：直径20ｍテスト</code>. This comment roughly translates to <code>World 2-2: 20m Diameter Test</code>. | ||
==== w2a03 ==== | ==== w2a03 ==== | ||
| Line 249: | Line 252: | ||
==== w2c01 ==== | ==== w2c01 ==== | ||
<code>w2c01</code> is the final level of the original order for Desert Ruins, but it's actually used as Sky Road Act 4 in the final game. The aesthetics of the area does match up with the look of Desert Ruins, so it's quite likely that this level was supposed to be there originally. The description for this level roughly translates to "Yellow Triple Spring", meaning it was very likely going to function like the Yellow Spring levels from Sonic Colors. This is supported by the fact that the Moving Springs in the level behave very similarly to the Yellow Springs in Sonic Colors. | <code style="color: red;">w2c01</code> is the final level of the original order for Desert Ruins, but it's actually used as Sky Road Act 4 in the final game. The aesthetics of the area does match up with the look of Desert Ruins, so it's quite likely that this level was supposed to be there originally. The description for this level roughly translates to "Yellow Triple Spring", meaning it was very likely going to function like the Yellow Spring levels from Sonic Colors. This is supported by the fact that the Moving Springs in the level behave very similarly to the Yellow Springs in Sonic Colors. | ||
=== Tropical Coast === | === Tropical Coast === | ||
| Line 301: | Line 304: | ||
==== w4a02 ==== | ==== w4a02 ==== | ||
The second level instead of being <code>w4a04</code> is <code>w4a02</code>. However, checking the description of the level (インディ洞窟2), it matches up with the final game's <code>xind02 (Silent Forest Act 3)</code> suggesting the two stages are one and the same, however the starting positions don't line up. | The second level instead of being <code style="color: green;">w4a04</code> is <code style="color: red;">w4a02</code>. However, checking the description of the level (インディ洞窟2), it matches up with the final game's <code style="color: green;">xind02 (Silent Forest Act 3)</code> suggesting the two stages are one and the same, however the starting positions don't line up. | ||
{| class="wikitable" | {| class="wikitable" | ||
!xind02 | !xind02 | ||
| Line 311: | Line 314: | ||
==== w4a03 ==== | ==== w4a03 ==== | ||
The third level instead of being <code>xcas01</code> is <code>w4a03</code>. However, checking the description of the level (ilomiloお菓子), it matches up with the final game's <code>xswe01 (Desert Ruins Act 3)</code> suggesting the two stages are one and the same, however the starting positions don't line up. | The third level instead of being <code style="color: green;">xcas01</code> is <code style="color: red;">w4a03</code>. However, checking the description of the level (ilomiloお菓子), it matches up with the final game's <code style="color: green;">xswe01 (Desert Ruins Act 3)</code> suggesting the two stages are one and the same, however the starting positions don't line up. | ||
{| class="wikitable" | {| class="wikitable" | ||
!xswe01 | !xswe01 | ||
| Line 319: | Line 322: | ||
|{ -1.08, 3.02, -3.30 } | |{ -1.08, 3.02, -3.30 } | ||
|} | |} | ||
Inside the configuration file for the level <code>xswe01</code>, the file is still called <code>w4a03_config.lua</code>, however the <code>brief</code> section states it's a configuration file for <code>w2a05</code>.<syntaxhighlight lang="lua"> | Inside the configuration file for the level <code style="color: green;">xswe01</code>, the file is still called <code style="color: green;">w4a03_config.lua</code>, however the <code>brief</code> section states it's a configuration file for <code style="color: green;">w2a05</code>.<syntaxhighlight lang="lua"> | ||
--------------------------------------------------------------- | --------------------------------------------------------------- | ||
-- @file w4a03_config.lua | -- @file w4a03_config.lua | ||
| Line 349: | Line 352: | ||
==== w6a03 ==== | ==== w6a03 ==== | ||
The secret level of Tropical Coast in the final game. As most of Sky Roads levels seem to come from elsewhere, it's hard to make a proper judgement on whether the stage would aesthetically belong in Sky Road or not, it does however play very similarly to <code>w6a05</code>, Sky Road's Act 3. | The secret level of Tropical Coast in the final game. As most of Sky Roads levels seem to come from elsewhere, it's hard to make a proper judgement on whether the stage would aesthetically belong in Sky Road or not, it does however play very similarly to <code style="color: green;">w6a05</code>, Sky Road's Act 3. | ||
The configuration file for the level does state that it belongs to Sky Road as well.<syntaxhighlight lang="lua"> | The configuration file for the level does state that it belongs to Sky Road as well.<syntaxhighlight lang="lua"> | ||
| Line 361: | Line 364: | ||
==== w6a05 ==== | ==== w6a05 ==== | ||
Inside the configuration file for the level <code>xnim02</code> the <code>brief</code> section states it's a configuration file for <code>w6a05</code>.<syntaxhighlight lang="lua"> | Inside the configuration file for the level <code style="color: green;">xnim02</code> the <code>brief</code> section states it's a configuration file for <code style="color: green;">w6a05</code>.<syntaxhighlight lang="lua"> | ||
--------------------------------------------------------------- | --------------------------------------------------------------- | ||
-- @file xnim02_config.lua | -- @file xnim02_config.lua | ||
| Line 374: | Line 377: | ||
=== Tropical Coast === | === Tropical Coast === | ||
<code>w3a02</code>, <code>w3a04</code>, and <code>w3c01</code> are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with. As the stage originally had a 7<sup>th</sup> act it's possible that is what would have been the equivalent of <code>w3c01</code> in this zone. | <code style="color: red;">w3a02</code>, <code style="color: red;">w3a04</code>, and <code style="color: red;">w3c01</code> are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with. As the stage originally had a 7<sup>th</sup> act it's possible that is what would have been the equivalent of <code style="color: red;">w3c01</code> in this zone. | ||
==== w3a05 ==== | ==== w3a05 ==== | ||
Test level <code>w0a04</code> has the following comment, which is about this level: <code>w3-5：SVカジノテスト（w0a04）</code>. This comment roughly translates to <code>World 3-5: Sideview Casino Test (w0a04)</code>. This could mean that <code>w3a05</code> turned into <code>xcas01</code> later on into development, which is housed in Frozen Factory in the final game. | Test level <code style="color: green;">w0a04</code> has the following comment, which is about this level: <code>w3-5：SVカジノテスト（w0a04）</code>. This comment roughly translates to <code>World 3-5: Sideview Casino Test (w0a04)</code>. This could mean that <code style="color: red;">w3a05</code> turned into <code style="color: green;">xcas01</code> later on into development, which is housed in Frozen Factory in the final game. | ||
=== Frozen Factory === | === Frozen Factory === | ||
<code>w4a05</code> and <code>w4c01</code> are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with. | <code style="color: red;">w4a05</code> and <code style="color: red;">w4c01</code> are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with. | ||
=== Silent Forest === | === Silent Forest === | ||
<code>w5a04</code>, <code>w5a05</code>, <code>w5a06</code> and <code>w5c01</code> are nowhere to be seen.It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with. | <code style="color: red;">w5a04</code>, <code style="color: red;">w5a05</code>, <code style="color: red;">w5a06</code> and <code style="color: red;">w5c01</code> are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with. | ||
==== w5a03 ==== | ==== w5a03 ==== | ||
| Line 389: | Line 392: | ||
=== Sky Road === | === Sky Road === | ||
<code>w6a01</code>, <code>w6a02</code>, <code>w6a06</code> and <code>w6c01</code> are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with. | <code style="color: red;">w6a01</code>, <code style="color: red;">w6a02</code>, <code style="color: red;">w6a06</code> and <code style="color: red;">w6c01</code> are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with. | ||
=== Lava Mountain === | === Lava Mountain === | ||
<code>w7a04</code>, <code>w7a05</code> and <code>w7c01</code> are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with. | <code style="color: red;">w7a04</code>, <code style="color: red;">w7a05</code> and <code style="color: red;">w7c01</code> are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with. | ||
Latest revision as of 19:39, 17 March 2025
Partial Original Order
Up to a point the game's original level order can be revealed to us by investigating the game's leftover actstgdata.lua file.
old_stage_all = {
-- w1
{
title = "w1草原",
stages = {
{
name = "w1a01",
title = "w1-1:グラスヒル",
},
{
name = "w1a02",
title = "w1-2:インディ洞窟",
},
{
name = "w1a03",
title = "w1-3:月光",
},
{
name = "w1a04",
title = "w1-4:大ナール軍",
},
{
name = "w1a05",
title = "w1-5:モアイ",
},
{
name = "w1c01",
title = "w1-A:キン斗雲",
},
},
},
-- w2
{
title = "w2砂漠",
stages = {
{
name = "w2a01",
title = "w2-1:サンドワーム軍",
},
{
name = "w2a02",
title = "w2-2:スカイチェイス",
},
{
name = "w2a03",
title = "w2-3:古代都市",
},
{
name = "w2a04",
title = "w2-4:タカアシガニ",
},
{
name = "w2a05",
title = "w2-5:サンドワーム体内",
},
{
name = "w2a06",
title = "w2-6:竜巻",
},
{
name = "w2c01",
title = "w2-A:黄色三連バネ",
},
},
},
-- w3
{
title = "w3南国",
stages = {
{
name = "w3a01",
title = "w3-1:南国ビーチ",
},
{
name = "w3a03",
title = "w3-3:フルーツ農園",
},
{
name = "w3a07",
title = "w3-7:南国ビーチ2",
},
},
},
-- w4
{
title = "w4雪",
stages = {
{
name = "w4a01",
title = "w4-1:軍事工場",
},
{
name = "w4a02",
title = "w4-2:インディ洞窟2",
},
{
name = "w4a03",
title = "w4-3:ilomiloお菓子",
},
},
},
-- w5
{
title = "w5ジャングル",
stages = {
{
name = "w5a01",
title = "w5-1:ジャングル軌道施設",
},
},
},
}
Many of these levels have been deleted. However, there's plenty of changes we can dissect in this list.
Windy Hill
| Final | Original |
|---|---|
| w1a01 | w1a01 |
| w1a03 | w1a02 |
| xind01 | w1a03 |
| w1a06 | w1a04 |
| w1a05 | |
| w1c01 |
w1a02
Starting off just like the final, it swiftly changes gears by heading into w1a02 instead of w1a03.
However, checking the description of the level (インディ洞窟), it matches up with the final game's xind01 suggesting the two stages are one and the same, however the starting positions don't line up.
| xind01 | w1a02 |
|---|---|
| { -25.0, -43.3, 1328.6 } | { 50.1, -10.55, -188.27 } |
w1a03
The following level is w1a03, meaning Act 3 and Act 2 were likely swapped around early into development.
w1a04
The order then continues with w1a04, which is originally used as Sky Road Act 1. This suggests that this level was meant to be used in Windy Hill, which is supported by the fact that the level shares a very similar look with that area of the game.
w1a05
w1a05 shares its description (モアイ) with the level xmoa01 (Silent Forest Act 4) suggesting, just like the previous stage, it was to come much sooner into the game, however once again the starting positions don't line up.
| xmoa01 | w1a05 |
|---|---|
| { -720, 7070, 0 } | { 80, 10067.96, 0 } |
Looking at xmoa01's set data reveals a few leftover objects in the sky around w1a05's spawn position. This list includes:
4x - ObjPointSoundSource
1x - ObjGiantMoaiOut
1x - ObjGFieldConstant
1x - EventVolumeCameraChange
1x - GPathCamera
1x - GoalRing
1x - SetRigidBody
The spawn position being so close to the GoalRing means the level was more than likely supposed to start close to its end, though not meaning it was a short level as the Moai objects function as warp objects.
w1c01
Finally for Windy Hill there's w1c01. Taking note of the change from a to a c, it seems this level wasn't meant to be a normal act but a challenge level.
Looking at the description (キン斗雲) once again, it reveals to us that this level is non-other than xnim01 (Hidden World Act 1) from the final game, however once again there's a small difference in starting locations.
| xnim01 | w1c01 |
|---|---|
| { 0.00, -100.00,-10.00 } | { 0.00, -95.00, 30.00 } |
Interestingly enough this leaves the final game's second encounter with Zazz in w1a06 nowhere to be seen.
Desert Ruins
| Final | Original |
|---|---|
| w2a01 | w2a01 |
| xbee01 | w2a02 |
| xswe01 | w2a03 |
| w2a06 | w2a04 |
| w2a05 | |
| w2a06 | |
| w2c01 |
w2a02
Starting off just like the final, it swiftly changes gears by heading into w2a02 instead of xbee01.
However, checking the description of the level (スカイチェイス), it matches up with the final game's xsky01, suggesting the two stages are one and the same, however the starting positions don't line up.
Interestingly enough this level also has the SKYCHASE tag, meaning it was a level where you controlled the Tornado just like the final iteration of the stage.
| xsky01 | w2a02 |
|---|---|
| { 0.0, 270.0, 17950.0 } | { 2401.1, 63.06, 3125.81 } |
Test level stg823 has the following comment, which is about this level: w2-2：直径20ｍテスト. This comment roughly translates to World 2-2: 20m Diameter Test.
w2a03
This level sadly does not have a final counterpart in the release of the game. Its description roughly translates to Ancient City.
w2a04
This level sadly does not have a final counterpart in the release of the game. Its description roughly translates to Japanese Spider Crab.
w2a05
This level sadly does not have a final counterpart in the release of the game. Its description roughly translates to Sandworm Body.
w2c01
w2c01 is the final level of the original order for Desert Ruins, but it's actually used as Sky Road Act 4 in the final game. The aesthetics of the area does match up with the look of Desert Ruins, so it's quite likely that this level was supposed to be there originally. The description for this level roughly translates to "Yellow Triple Spring", meaning it was very likely going to function like the Yellow Spring levels from Sonic Colors. This is supported by the fact that the Moving Springs in the level behave very similarly to the Yellow Springs in Sonic Colors.
Tropical Coast
From here on out the original level order becomes very segmented with barely any trace left of it.
| Final | Original |
|---|---|
| w3a01 | w3a01 |
| w3a03 | |
| xsea01 | w3a03 |
| w3a06 | |
| w6a03 | |
| w3a07 |
w3a07
This level sadly does not have a final counterpart in the release of the game. Its description is the same as w3a01's with but it has a 2 at the end.
Frozen Factory
| Final | Original |
|---|---|
| w4a01 | w4a01 |
| w4a04 | w4a02 |
| xcas01 | w4a03 |
| w4a06 |
w4a02
The second level instead of being w4a04 is w4a02. However, checking the description of the level (インディ洞窟2), it matches up with the final game's xind02 (Silent Forest Act 3) suggesting the two stages are one and the same, however the starting positions don't line up.
| xind02 | w4a02 |
|---|---|
| { 0.00, -49.99, 14663.00 } | { -0.18, -52.03, -73.52 } |
w4a03
The third level instead of being xcas01 is w4a03. However, checking the description of the level (ilomiloお菓子), it matches up with the final game's xswe01 (Desert Ruins Act 3) suggesting the two stages are one and the same, however the starting positions don't line up.
| xswe01 | w4a03 |
|---|---|
| { -590.76, 403.30, 1040.85 } | { -1.08, 3.02, -3.30 } |
Inside the configuration file for the level xswe01, the file is still called w4a03_config.lua, however the brief section states it's a configuration file for w2a05.
---------------------------------------------------------------
-- @file w4a03_config.lua
-- @author Jibiki_Hisae
-- @brief w2-5 の設定ファイル
-- @data 2012/7/20
---------------------------------------------------------------
Silent Forest
| Final | Original |
|---|---|
| w5a01 | w5a01 |
| w5a02 | |
| xind02 | |
| xmoa01 |
Sky Road
w6a03
The secret level of Tropical Coast in the final game. As most of Sky Roads levels seem to come from elsewhere, it's hard to make a proper judgement on whether the stage would aesthetically belong in Sky Road or not, it does however play very similarly to w6a05, Sky Road's Act 3.
The configuration file for the level does state that it belongs to Sky Road as well.
---------------------------------------------------------------
-- @file w6a03_config.lua
-- @author Yoshitaka Miura
-- @brief w6-3 の設定ファイル
-- @data 2012/10/30
---------------------------------------------------------------
w6a05
Inside the configuration file for the level xnim02 the brief section states it's a configuration file for w6a05.
---------------------------------------------------------------
-- @file xnim02_config.lua
-- @author Yoshitaka_Miura
-- @brief w6-5 の設定ファイル
-- @data 2013/5/4
---------------------------------------------------------------
Speculative Additions
This section includes educated guesses due to lack of leftover data from the game.
Tropical Coast
w3a02, w3a04, and w3c01 are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with. As the stage originally had a 7th act it's possible that is what would have been the equivalent of w3c01 in this zone.
w3a05
Test level w0a04 has the following comment, which is about this level: w3-5：SVカジノテスト（w0a04）. This comment roughly translates to World 3-5: Sideview Casino Test (w0a04). This could mean that w3a05 turned into xcas01 later on into development, which is housed in Frozen Factory in the final game.
Frozen Factory
w4a05 and w4c01 are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with.
Silent Forest
w5a04, w5a05, w5a06 and w5c01 are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with.
w5a03
The second level of Sky Road in the original game. The overall aesthetic of the level does match up with Silent Forest, which suggests it really did belong to Silent Forest at some point.
Sky Road
w6a01, w6a02, w6a06 and w6c01 are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with.
Lava Mountain
w7a04, w7a05 and w7c01 are nowhere to be seen. It's possible that these levels turned into one of the levels that don't start with the world number, or that they didn't exist to begin with.