Cdkeys has Doom PC on sale for $8.89 .
Developed by id Software, the studio that pioneered the first-person shooter genre and created multiplayer Deathmatch, DOOM returns as a brutally fun and challenging modern-day shooter experience. Relentless demons, impossibly destructive guns, and fast, fluid movement provide the foundation for intense, first-person combat – whether you’re obliterating demon hordes through the depths of Hell in the single-player campaign, or competing against your friends in numerous multiplayer modes.