Endoparasitic

Three limbs ripped off, infected with a deadly parasite, you must save your research. Drag yourself through the corridors of a secret research lab on a remote asteroid, fight off horribly mutated monsters, inject countless syringes of vaccines, and survive at all costs.

Endoparasitic is a tactical survival horror game where you must manually do every action from reloading to moving. Juggle movement and firing and plan room entrances to avoid getting swarmed.

Features:
* One handed in game, one handed in real life: Everything is mouse-controlled * Guns are manually loaded one bullet at a time * Your healthbar is a parasite burrowing to your brain * Stealth sections * Puzzles * Story and characters * Various mutated monsters to fight * Boss fights * Four guns

Source: Steam Store Description