A downloadable game for Windows, macOS, and Linux

Play as a cute bacteriophage invading a mysterious alien and finding some interesting inhabitants.


  • left arrow, right arrow: movement
  • C : jump. Press for longer jump, tap for shorter jump.
  • X : shoot/dash. Press to start aiming. Use the arrow keys to aim while having X pressed. You can aim top-left by pressing left arrow and top arrow simultaneously. You can have more precise aiming by interpolating between a diagonal and cardinal direction. Release X to shoot. You will get to shoot again by touching the ground or hitting an enemy creature.
  • R : Restart the game.
  • = : Increase volume
  • - : Decrease volume.


Made in 48 hours for the Butterscotch Shenanijam 2019 using the theme "DNA Chaos".


Inside The Alien OSX.zip 60 MB
Inside The Alien Windows.zip 43 MB
Inside The Alien Linux.zip 44 MB


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Very interesting game! I really liked the art style in the game and the characters were so weird and different. I liked the mechanics in the game, something I've never experienced before. Overall a very fun and enjoyable game with some nice fitting music :D

I don't know if you've heard of Game Development World Championship before (gdwc2019) but it's a competition for indie game developers where they can submit their games and it's free! It's great if you want some more visibility for the game and it only takes a couple of minutes to join :)