You play as a clone of an engineer named Kaśka, whose mission is to repair the damaged ship you’re stranded on. But things quickly get worse—unknown aliens are boarding the vessel. Fix the ship’s systems, fight for survival, and try to withstand the endless waves of alien invaders.

Move your character with wasd or arrows.

Click 1, 2 or 3 to activate weapon in given slot, then choose direction and press enter/space to attack

Click C or tab to enter inspect mode, where you can see combained hp of enemies on adjecant tiles, number of chests, generetors and exit. Additionally in this mode you can press enter or space when above unreaveled tile to mark it with your guess of what is under

To open the exit you must activate all generators on the current floor, by bumping into them 3 times.

That's all you need to know, hope the game is to your liking