In Cactincrement, you are a sentient cactus whose height is perpetually decreasing! Let your height get too low, and it's game over for you, all while navigating tricky platforming!


(THERE IS CURRENTLY A BUG WHERE PRESSING Q WHILE FACING A LEFT WALL WILL CRASH THE GAME. A VERSION WITHOUT THIS BUG (and with the death animation i forgot lmao) IS READY AND WILL BE UP WHEN THE JAM IS OVER, THANKS!)


CONTROLS:

  • WASD for movement
  • SPACE to jump
  • TAB to reset from last checkpoint
  • RIGHT MOUSE BUTTON to manually shrink
  • E to generate cactus blocks (after unlocking)
  • Q to destroy cactus blocks (after unlocking)


This game was made in 4 days for GMTK Game Jam: 2026, with the theme "Countdown". No generative AI was used for any process. All visuals, code, music, and level design are by me. 3d cover image also by me.

Comments

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The game randomly crashed after I was able to dispense cactus blocks but very unique and fun idea

Well, my mousepad hated the shrinking mechanic, and the game crashed when I used Q into a wall, but it's a great concept and you made it pretty well! Great job!

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i crashed out so hard i broke my keyboard 10/10

no more game for you

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that last level was hard

Good game, though! I liked it :)

glad you enjoyed! :)

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Really well thought out puzzling mechanics. Its really fun to play.
Pressing Q against a wall instead of a cactus apparently eats the game

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holy cow that's definitely a bug ill have fixed once the jam is over thanks so much for telling me!

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Confused by the section going along below the spikes? Seems like you need to avoid the water, but there's not enough time for me to get through everything without dying. 

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should be doable if you're quick enough, maybe to make it more forgiving ill add a little more height at the start of it post-jam though

I was struggling there too. I just had to run away until I shrunk enough