AWSD to control the zombie, and Q lets the zombie sprint ARROW KEYS control ness, And use space to make him run. The portals are draggable, but only ness is allowed to drag them. It's Game Over If a zambie gets ya.
Just some ripped sprites from spriters resource. Google "Spriters Resource" if you want some more awesome sprites from pretty much every game (that has sprites, NOT MINECRAFT) Note: sprites are flat images(like this and Terraria), not textures (like Minecraft)