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(+1)

Nice Job  :)  I like the idea of your clone, which is replicating your movement. There is a lot of room to use that mechanic and expand it.

Btw: Jonas Tyroller did some similar game, but in 2d. It was using similar mechanic with projections cloning your movement after certain delay.  But generally game itself is simple, but it's hard to come up with challenging and also possible puzzes to solve, so anyway, congrats :)