Not Gustavo's Butter Chicken

You wake up on a ship, without remembering anything. The only thing you know: You have an infinite supply of butter chicken, but it's not yours. And somebody wants it back.

Controls:
Move using WASD / ←↓↑→
Aim using your mouse cursor
Shoot using the left mouse button
View Inventory using ↹
While Viewing Inventory: Select Item using the respective number key