Single-player games like Across Killzone
Below are 8 single-player Steam games similar to Across Killzone, 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 Across Killzone page.
Ranked picks
- 1

Killing Floor
Single-player alternative to Across Killzone — playable solo, no multiplayer required. Shares Action with Across Killzone.
6-player co-op survival horror at its finest! Free updates, free special events and a ridiculous amount of fun!
- 2

Dead Effect
Single-player alternative to Across Killzone — playable solo, no multiplayer required. Shares Action and Indie with Across Killzone.
Fight for your life in the INDIE SCI-FI FPS game fit for both casual and hard-core gamers with a passion for hunting down hordes of zombies. Prepare yourselves for the incoming nightmare!
- 3

ZOMBI
Single-player alternative to Across Killzone — playable solo, no multiplayer required. Shares Action and Adventure with Across Killzone.
London is falling. Are you prepared? The Last Blight is upon us. It was foretold. For the second time in history, a great plague has shrouded London in a fog of death. Big Ben tolls as thousands of unprepared die, or worse, are infected by a sickness more gruesome than death.
- 4

Left 4 Dead 2
Single-player alternative to Across Killzone — playable solo, no multiplayer required. Shares Action with Across Killzone.
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.
- 5

Dying Light
Single-player alternative to Across Killzone — playable solo, no multiplayer required. Shares Action with Across Killzone.
First-person action survival game set in a post-apocalyptic open world overrun by flesh-hungry zombies. Roam a city devastated by a mysterious virus epidemic. Scavenge for supplies, craft weapons, and face hordes of the infected.
- 6

Survival Zombies The Inverted Evolution
Single-player alternative to Across Killzone — playable solo, no multiplayer required. Shares Action and Indie with Across Killzone.
Survival Zombies is a bloody chaotic survival first person shooter that pits heavily armed players against humanity's greatest fear - hordes of undead.
- 7

Back 4 Blood
Single-player alternative to Across Killzone — playable solo, no multiplayer required. Shares Action with Across Killzone.
Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action.
- 8

RoboCop: Rogue City
Single-player alternative to Across Killzone — playable solo, no multiplayer required. Shares Action and Adventure with Across Killzone.
Become the legendary part man, part machine, all cop hero and deliver justice in Old Detroit.