Physics Breaking Boxes

Push The Boxes On The Buttons

Simple right? I'm sure nothing will get weird, seeing a simple sokoban game is not suspicious at all. 
Nothing too deep, especially not recursion, since that would be copying that one game that's gonna come out eventually — what was its name already? Patrick's Parabox? Nothing like that. 
Here, to push a box on a button, you just first have to push a box on a button.

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Controls

Arrow keys to move  

Z to cancel the last move  

R to reset the position of the boxes and yourself  

M to mute the music

Ctrl+F or F11 or Alt+Enter to toggle fullscreen

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Notes

On the web version, the music might lag a lot. In that case either use the downloadable version or mute it.

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Patch notes

(2021/04/26) Tweaked the audio latency to account for lag, and added a mute button in case it gets really bad.