Single-player games like DEMON SIEGE
Below are 8 single-player Steam games similar to DEMON SIEGE, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like DEMON SIEGE page.
Ranked picks
- 1
Left 4 Dead 2
Single-player alternative to DEMON SIEGE — playable solo, no multiplayer required. Shares Action with DEMON SIEGE.
Set in the zombie apocalypse, Left 4 Dead 2 is a co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns.
- 2
DUSK
Single-player alternative to DEMON SIEGE — playable solo, no multiplayer required. Shares Action with DEMON SIEGE.
Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.
- 3
S.T.A.L.K.E.R.: Call of Pripyat
Single-player alternative to DEMON SIEGE — playable solo, no multiplayer required. Shares Action with DEMON SIEGE.
S.T.A.L.K.E.R.: Call of Pripyat is the direct sequel of the S.T.A.L.K.E.R.: Shadow of Chernobyl. As a Major Alexander Degtyarev you should investigate the crash of the governmental helicopters around the Zone and find out, what happened there.
- 4
Killing Floor 2
Single-player alternative to DEMON SIEGE — playable solo, no multiplayer required. Shares Action with DEMON SIEGE.
In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem.
- 5
Contagion
Single-player alternative to DEMON SIEGE — playable solo, no multiplayer required. Shares Action with DEMON SIEGE.
Contagion isn't your average Zombie Shooter but instead takes a more realistic and different approach to the popular genre with unique characters, environments, weapons, items, and a built in system that makes every round completely unpredictable with resources, objectives, and paths ever changing.
- 6
Project Warlock
Single-player alternative to DEMON SIEGE — playable solo, no multiplayer required. Shares Action with DEMON SIEGE.
Project Warlock is a first-person shooter that fans of Doom, Hexen, and Wolfenstein cannot miss. It serves you an exploding cocktail of bullets, spells, and monsters. Battle through 60 levels of non-stop action, packed with bloodthirsty enemies and challenging bosses.
- 7
DOOM 3
Single-player alternative to DEMON SIEGE — playable solo, no multiplayer required. Shares Action with DEMON SIEGE.
A demonic invasion has overwhelmed the Union Aerospace Corporation's Mars research facility. As one of only a few survivors, you must fight your way to hell and back against a horde of demons in this award-winning horror/action FPS and reimagining of the original DOOM.
- 8
Resident Evil Requiem
Single-player alternative to DEMON SIEGE — playable solo, no multiplayer required. Shares Action with DEMON SIEGE.
Requiem for the dead. Nightmare for the living. Prepare to escape death in a heart-stopping experience that will chill you to your core.