Single-player games like Klostyn
Below are 8 single-player Steam games similar to Klostyn, 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 Klostyn page.
Ranked picks
- 1
DUSK
Single-player alternative to Klostyn — playable solo, no multiplayer required. Shares Action and Indie with Klostyn.
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.
- 2
Blake Stone: Planet Strike
Single-player alternative to Klostyn — playable solo, no multiplayer required. Shares Action with Klostyn.
It's the 22nd century: Galactic travel is commonplace, peace is at hand, and the future looks bright - until Goldfire's plan to unleash an army of military mutants shocks the galaxy. Dr. Goldfire, a brilliant bio-scientist whose morbid research led to incredible genetic improvements in humanoids and aliens, has gone power crazy.
- 3
STAR WARS™: Dark Forces Remaster
Single-player alternative to Klostyn — playable solo, no multiplayer required. Shares Action with Klostyn.
The evil Empire is currently creating a doomsday army behind a veil of secrecy. However, they are no match for the Rebel Alliance's covert operations division. Your mission is to infiltrate the Empire and put an end to their plans for terror and domination.
- 4
WRATH: Aeon of Ruin
Single-player alternative to Klostyn — playable solo, no multiplayer required. Shares Action with Klostyn.
Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.
- 5
Duke Nukem 3D: 20th Anniversary World Tour
Single-player alternative to Klostyn — playable solo, no multiplayer required. Shares Action with Klostyn.
Frag like it’s 1996 – this time with even more asses to kick! Join the world’s greatest action hero in Duke Nukem 3D: 20th Anniversary World Tour as he saves Earth once again, kicking alien ass and saving babes across the globe along the way.
- 6
Selaco
Single-player alternative to Klostyn — playable solo, no multiplayer required. Shares Action and Indie with Klostyn.
Selaco is a brand new original shooter inspired by classics, featuring thrilling action set pieces, destructibility, smart enemies and a fleshed out story taking place within an immersive game world.
- 7
Supplice
Single-player alternative to Klostyn — playable solo, no multiplayer required. Shares Action and Indie with Klostyn.
Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.
- 8
Warhammer 40,000: Boltgun
Single-player alternative to Klostyn — playable solo, no multiplayer required. Shares Action and Indie with Klostyn.
Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.