[ edit: see follow-up post for updated cart ]
For the newest #tweettweetjam I made a very basic space shooter (layout inspired by Gyruss/Tempest) in <560 characters. It even includes a bit of sound via poke-ing to the sfx memory, since the jam rules say "code only" without separate gfx/sfx assets.
Use ⬅️/➡️ to move, ❎ to fire.
(I may write up a commented / uncompressed version of the code at some point...)
![](/gfx/set_like0.png)
![](/gfx/top_drop.png)
![](/media/46887/2_Screen Shot 2020-09-21 at 10.37.42 PM.png)
After the jam I revisited this. The code still fits in two tweets (<560 characters, no sprites), but there's more continuous motion and multiple enemies on screen at a time, though now without SFX:
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