Paranautical Activity combines the classic FPS action of games like Doom and Quake, with the randomness and difficulty of modern roguelikes like Binding of Isaac and Spelunky.
We are not affiliated with IsThereAnyDeal.

























Paranautical Activity combines the classic FPS action of games like Doom and Quake, with the randomness and difficulty of modern roguelikes like Binding of Isaac and Spelunky.

-Unique FPS/Roguelike combination -Procedurally generated levels -Impossibly fast gameplay -Hidden levels -Over 100 items -40+ enemies -Ridiculous bosses -Kick ass Dubstep soundtrack

The Deluxe Atonement Edition includes the following -Developer footage & commentary, from prototype to pre alpha to full release! -The Seafarers Guide; A pro guide with a nautical twist. Consult the pro guide to become the leanest, baddest, mostest bestest Paranautical Activity player you can be. -1 new level type, 1 new weapon and 1 new item. -Wallpapers baby!
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.

























Paranautical Activity combines the classic FPS action of games like Doom and Quake, with the randomness and difficulty of modern roguelikes like Binding of Isaac and Spelunky.

-Unique FPS/Roguelike combination -Procedurally generated levels -Impossibly fast gameplay -Hidden levels -Over 100 items -40+ enemies -Ridiculous bosses -Kick ass Dubstep soundtrack

The Deluxe Atonement Edition includes the following -Developer footage & commentary, from prototype to pre alpha to full release! -The Seafarers Guide; A pro guide with a nautical twist. Consult the pro guide to become the leanest, baddest, mostest bestest Paranautical Activity player you can be. -1 new level type, 1 new weapon and 1 new item. -Wallpapers baby!
Paranautical Activity combines the classic FPS action of games like Doom and Quake, with the randomness and difficulty of modern roguelikes like Binding of Isaac and Spelunky.
We are not affiliated with IsThereAnyDeal.
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.