Welcome to A Priori! First things first, forget any prior knowledge you think you have, especially if you've played SubPixL. That wall may not be as solid as it seems... In A Priori, only the first pair of pixels is checked. Then you'll go forwards, no matter how solid the second pair is! Use the arrow keys or WASD to move. No custom keybindings here, sorry.
Scripts based on SubPixL, but that's already my game. Swipe detection script by me. (Yes, I'm self-reliant) 3/14/20: Overhaul of the collection system. Hopefully it's less tedious. 8/7/19: Release?