Single-player games like DOSMan: Space Aliens in Space!
Below are 11 single-player Steam games similar to DOSMan: Space Aliens in Space!, 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 DOSMan: Space Aliens in Space! page.
Ranked picks
- 1
DUSK
Single-player alternative to DOSMan: Space Aliens in Space! — playable solo, no multiplayer required. Shares Action and Indie with DOSMan: Space Aliens in Space!.
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
Duke Nukem 3D: 20th Anniversary World Tour
Single-player alternative to DOSMan: Space Aliens in Space! — playable solo, no multiplayer required. Shares Action and Adventure with DOSMan: Space Aliens in Space!.
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.
- 3
Warhammer 40,000: Boltgun
Single-player alternative to DOSMan: Space Aliens in Space! — playable solo, no multiplayer required. Shares Action and Indie with DOSMan: Space Aliens in Space!.
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.
- 4
Project Warlock
Single-player alternative to DOSMan: Space Aliens in Space! — playable solo, no multiplayer required. Shares Action and Indie with DOSMan: Space Aliens in Space!.
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.
- 5
POSTAL: Brain Damaged
Single-player alternative to DOSMan: Space Aliens in Space! — playable solo, no multiplayer required. Shares Action with DOSMan: Space Aliens in Space!.
POSTAL: Brain Damaged is a new, action-oriented take on the Running With Scissors’ cult game series with throwback graphics, and fast-paced, modern gameplay. Take a wild roller coaster ride through the twisted wonderland encased in the POSTAL DUDE’S messed-up mind.
- 6
Dread Templar
Single-player alternative to DOSMan: Space Aliens in Space! — playable solo, no multiplayer required. Shares Action and Indie with DOSMan: Space Aliens in Space!.
Dread Templar is a fast-paced hardcore old-school FPS, combining classic 90s shooter and modern FPS elements. Unlock and combine dozens of weapon upgrades and skills, embrace the Dread Force and obliterate hordes of fiendish enemies. Become the scariest thing in hell and get your revenge!
- 7
Fashion Police Squad
Single-player alternative to DOSMan: Space Aliens in Space! — playable solo, no multiplayer required. Shares Action and Indie with DOSMan: Space Aliens in Space!.
Even at this moment, our fashionable city is under assault. Baggy pants, dull suits, sightings of socks with sandals. A message needs to be sent, and it needs to be sent in style... Time to serve some good ol' Fashion Justice!
- 8
Prodeus
Single-player alternative to DOSMan: Space Aliens in Space! — playable solo, no multiplayer required. Shares Action and Indie with DOSMan: Space Aliens in Space!.
Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.
- 9
FLASH OF THE BLADE X
Single-player alternative to DOSMan: Space Aliens in Space! — playable solo, no multiplayer required. Shares Action and Indie with DOSMan: Space Aliens in Space!.
Flash of the Blade X is a retro-inspired first-person Ninja slasher inspired by the Western Ninja boom of the 1980's. Slice and Dice your way to revenge against your former Ninja clan across several hand-crafted levels using an assortment of period-accurate weaponry.
- 10
REAPER
Single-player alternative to DOSMan: Space Aliens in Space! — playable solo, no multiplayer required. Shares Action and Indie with DOSMan: Space Aliens in Space!.
YOU ARE DEATH. The Grim Reaper. You must travel throughout various action packed scenarios, Reaping enemies and collecting their souls. FEAR THE REAPER
- 11
Skarab
Single-player alternative to DOSMan: Space Aliens in Space! — playable solo, no multiplayer required. Shares Action with DOSMan: Space Aliens in Space!.
Arise warrior, your kingdom has need of you. Wield ancient weaponry and harness arcane powers in your quest to liberate Egypt, rescue her royal highness, and exile Anubis to the afterlife.