| ... | ... | |
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| 31 | 31 | Crown Island contains Worlds XO, XT and XI. This island can be unlocked by completing the aforementioned hidden world, World B from Set 1. |
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| 32 | 32 | The levels on Crown Island are ''the hardest levels'' out of all the official levels, so it is recommended to try completing these levels after completing the other official levels and becoming sufficiently skilled. |
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| 33 | 33 | === [[/Star Island|Star Island : A collaboration with Muse Dash]] === |
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| 34 | | [include(틀:자세한 내용,문서=세계/별 섬)] |
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| 34 | [include(틀:자세한 내용,문서=World/Star Island)] |
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| 35 | 35 | |
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| 36 | 36 | Star Island contains three levels added as a collaboration with the rhythm game ''Muse Dash''. |
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| 37 | 37 | Worlds MN and ML can be completed without much difficulty if the player has completed the other official levels, but World MO is as difficult as the Crown Island levels. |
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| 38 | 38 | == Expansion DLCs == |
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| 39 | 39 | === [[Neo Cosmos/World|Neo Cosmos]] === |
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| 40 | | [include(틀:자세한 내용,문서=Neo Cosmos/세계)] |
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| 40 | [include(틀:자세한 내용,문서=Neo Cosmos/World)] |
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| 41 | 41 | |
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| 42 | 42 | Neo Cosmos, an expansion DLC for the base game, contains a total of 9 worlds: 5 main worlds and 4 EX worlds. |
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| 43 | 43 | These levels are overall on the harder side, especially combined with exclusive mechanics, so it is recommended to try completing these levels after completing the other official levels. |
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| ... | ... | |
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