Single-player games like ARKOS
Below are 16 single-player Steam games similar to ARKOS, 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 ARKOS page.
Ranked picks
- 1

Wizordum
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action and Indie with ARKOS.
Wizordum is a retro FPS that puts you in the role of a Mage on a quest to track down the source of Chaos. With a wide arsenal of spells and magic items, battle your way through the world of Terrabruma in this unique blend of classic 90s shooters and modern gaming elements.
- 2

Project Warlock
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action and Indie with ARKOS.
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.
- 3

AMID EVIL
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action and Indie with ARKOS.
A retro FPS for the ages! Once branded a HERETIC. Now YOU have been chosen as our champion! Reclaim our sacred weapons. Take back our ancient lands. If you can stand... AMID EVIL.
- 4

DUSK
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action and Indie with ARKOS.
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.
- 5

Warhammer 40,000: Boltgun
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action and Indie with ARKOS.
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.
- 6

Dread Templar
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action and Indie with ARKOS.
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

Only Lead Can Stop Them
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action and Indie with ARKOS.
Boot up your 486 and launch olcst.exe for this retro fps from an alternate 1990's. Descend into the madness of the Spanish Civil War fighting vicious fascist forces and supernatural monsters. Conquer three action packed episodes wielding machine guns, rifles, flamethrowers and explosives.
- 8

Wrack
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action and Indie with ARKOS.
Wrack is all about action - spectacular action! The addictive kill chain system encourages you to mow down as many enemies in a short period of time as possible. No hiding - keep your chain going by getting out there and kicking some alien ass!
- 9

Quake
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action with ARKOS.
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
- 10

Spear of Destiny
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action with ARKOS.
It's World War II and you are B.J. Blazkowicz, the Allies' most valuable agent. In the midst of the German Blitzkrieg, the Spear that pierced the side of Christ is taken from Versailles by the Nazis and secured in the impregnable Castle Wolfenstein. According to legend, no man can be defeated when he has the Spear.
- 11

HeXen II
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action with ARKOS.
The Four Horsemen of the Apocalypse lurk in the shadows before you. They are Death, Pestilence, Famine, and War. They are the root of all that is evil, but the least of your worries. The last of the three Serpent Riders yet lives.
- 12

Rise of the Triad
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action with ARKOS.
Apogee Software and Interceptor Entertainment proudly present the rebirth of the cult-classic first-person shooter, “Rise of the Triad”. Bigger, better and more ludicrous than ever before.
- 13

DOOM
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action with ARKOS.
Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.
- 14

Wolfenstein 3D
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action with ARKOS.
World War II rages. The Nazis are planning to build an unstoppable, mutant army. On a mission to steal the secret plans, you were captured and imprisoned. Now, a lucky break gives you the chance to escape, but a maze of passages and trigger-happy Nazis stand in your way.
- 15

HERETIC
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action and Indie with ARKOS.
Faith remains, even after the gods are dead. Branded a heretic, you must explore perilous sanctuaries to uncover a forgotten truth. Master ever-changing battles, craft powerful item and skill synergies, and overcome relentless foes in this dark fantasy roguelite action RPG.
- 16

ARKOS 2
Single-player alternative to ARKOS — playable solo, no multiplayer required. Shares Action and Indie with ARKOS.
Arkos 2 is a first-person fantasy shooter with destructible voxel environment inspired by the classic retro shooters from 90-s