Pixelpunk XL | Artorias

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

Description:

Pixelpunk XL is a pixelated old school first person shooter with rogue-like game mechanics set in sci-fi environment. Fight with enemies in randomly generated rooms and tunnels, gather artifacts to unlock bosses. Fly in zero gravity among unique environments, use your arsenal of weapons to make explosions from those who dare to point a loaded weapon at you.

Features:

Randomly generated levels with hand-crafted sci-fi rooms, tunnels, decorations.
Unique pixelated retro style graphics.
Challenging bosses.
A variety of enemies and weapon types.
Toxic and Whitish alternate display modes.