Part The Little Prince, part Minecraft, part who-knows-what.

Rearrange blocks, or combine them by slamming one into another. - [Author's description]

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[Walkthrough (spoilers)]

This is kind of a mix of an explorer platformer and missile command.

Arrows to move, Space to enter/exit space mode, X to fire missiles. - [Author's description]

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Lost in a mysterious underground cavern, Jasper searches for his crew mates and soon discovers something here is very, very wrong. – [Author's description]

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Your mission is to escape from each of the 15 rooms presented in each volume in as few moves as possible. – [Author's description]

Nothing, that’s what. – [Author's description]

can you solve the FRUIT MYSTERY?? – [Author's description]

(via @radiatoryang)

Probably the most ambitious 16KB game ever. Pure genius work here. Effectively 3 game modes, 4x 256 screen levels, boss fights, and endless replayability. Superb. – [Comment on C64 Scene Database]

(via RGCD. Also available to purchase as a real C64 cartridge.)

Help adventurer called Rato to prove that Earth is round!
– [Author's description]

Alla ricerca del libro nascosto. – [Author's description]