Enter The Metacrypt

The simple stuff:

WASD/Arrow keys to move + Shift to run

Left click/space to shoot

Features: 

Player can pause game with escape

Player can actually move faster than 0.01mph

Player can shoot at enemies and get shot at 

Player can purchase a new gun in the shop as well as potions

Added a boss with simple following mechanic and a (slightly) overpowered fire-shooting mechanic.