Survive the zombie outbreak, place barricades, buy weapons, hire mercenaries in this Side-Scrolling game

The city is crawling with the undead, I'm trapped! The only hope is to escape the city on a boat, I need to reach the Harbor before its too late...if I fail, I can only count my Days to Die...

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