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the controls are a bit too touch for the a/d piece, and not responsive enough for the w/s piece. while trying to play, you end up holding w or s all the time, and if you so much as tap a/d when a block is within a third of the screen from the piece, you run straight into it.
Under rating threshold (hideshow)
So essentially what you've given us is "Multitask" on one screen, not four. Not sure if I should be disappointed or not. It's by far easier than "Multitask".