Control Scheme:
jump: space
E: Fix Barricade
Arrow Up / W: Climb up
Arrow Down / S: Climb down
I: Open Inventory
Arrow Right / D: Move right
Space: Jump
1: Primary Weapon
fire: left mouse
3: Melee Weapon
2: Secondary Weapon
Esc: Open Option Screen
4: Explosive Weapon
Shift: Run
R: Reload
Mouse Scroll: Change Weapon
Arrow Left / A: Move left
movement: wasd