[LD49] Bitrunner

This is my entry for LD49 Compo. It's not polished at all, and also missing over half of the planned enemies, I didn't have enough time to get through everything I wanted to.

Controls:
W/Up/Space: Jump

A/Left: Left

D/Right: Right

Left click: Destroy red enemies

Right click: Place a floor block

Small red projectiles get destroyed when collided with a floor block.