Very cool game mechanic! I would love to see how you iterate on it, I'm thinking of mirrors, 'switches' that need to be lit up to be 'on', or a second controllable character that has some additional ability such as propagating light. I'm sure this can be on Steam one day if you want it to! To make it a bit more forgiving to play I would suggest adding a rewind ability, which allows the user to just undo a few seconds instead of resetting the entire level. I would also make the shadows a bit more forgiving by shrinking their 'hitbox'
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Thanks for the feedback! I already prototyped some other mechanics like mirror, conveyer belt, button that always needs to be pressed... but they didn't make it to this jam submission because I almost ran out of time. Your suggestion on the rewind ability would suit the theme really well, since the robot can just play the instruction backwards. I'm not sure if the game will end up on Steam but if it does, I will gift everyone on itch a key!