Really cool concept and well executed - though like others have said it would be nice to be able to move backwards, and also would be cool if the projections stayed in place after their time runs out rather than disappearing to prevent you having to just sit there for a few seconds each button press.
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Yeah I was trying to be clever with the whole 'future' thing, and thinking in abstract terms as if moving right is moving into the future kind of thing.
It didn't work out particularly well, but it was an experiment!
Also, for a more full-fledged version of this we were thinking of pressing down to freeze a character in place, so that character would stay there forever. Would save hanging around, and create interesting problems to solve.