Single-player games like Dark Side of War
Below are 8 single-player Steam games similar to Dark Side of War, 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 Dark Side of War page.
Ranked picks
- 1

Only Lead Can Stop Them
Single-player alternative to Dark Side of War — playable solo, no multiplayer required. Shares Action and Indie with Dark Side of War.
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.
- 2

Warhammer 40,000: Boltgun
Single-player alternative to Dark Side of War — playable solo, no multiplayer required. Shares Action and Indie with Dark Side of War.
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.
- 3

DUSK
Single-player alternative to Dark Side of War — playable solo, no multiplayer required. Shares Action and Indie with Dark Side of War.
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.
- 4

Putin kills: Coronavirus
Single-player alternative to Dark Side of War — playable solo, no multiplayer required. Shares Action and Indie with Dark Side of War.
Great showdown 2020: COVID-19 vs BIGCOCK-19
- 5

Dread Templar
Single-player alternative to Dark Side of War — playable solo, no multiplayer required. Shares Action and Indie with Dark Side of War.
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!
- 6

STAR WARS™ Dark Forces (Classic, 1995)
Single-player alternative to Dark Side of War — playable solo, no multiplayer required. Shares Action with Dark Side of War.
Behind a veil of secrecy the evil Empire is creating a doomsday army - one that, if finished, will become the final cog in the Empire's arsenal of terror and domination. Your Mission? Join the Rebel Alliance's covert operations division, infiltrate the Empire.
- 7

Outlaws + A Handful of Missions (Classic, 1997)
Single-player alternative to Dark Side of War — playable solo, no multiplayer required. Shares Action with Dark Side of War.
Get ready for the good, the bad, and the even worse. As Marshall James Anderson, you'll face a horde of ornery, gun-slinging outlaws. You'll shoot your way through a twisted plot of greed and revenge. You'll arm yourself with firearms, as well as your wits.
- 8

WRATH: Aeon of Ruin
Single-player alternative to Dark Side of War — playable solo, no multiplayer required. Shares Action with Dark Side of War.
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.