Single-player games like Apocalypse: Floodgates
Below are 8 single-player Steam games similar to Apocalypse: Floodgates, 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 Apocalypse: Floodgates page.
Ranked picks
- 1

Escape Z
Single-player alternative to Apocalypse: Floodgates — playable solo, no multiplayer required. Shares Action and Indie with Apocalypse: Floodgates.
Survive the apocalypse with friends in Escape Z. Fight and plan tactics to face hordes of zombies. Choose your character, map and prepare. Survival is your only option.
- 2

Resurection.
Single-player alternative to Apocalypse: Floodgates — playable solo, no multiplayer required. Shares Action and Indie with Apocalypse: Floodgates.
Resurrection is a wave-based indie FPS by Bad Dev Studios. Fight endless, aggressive zombie hordes in a burning city. spend points at the random weapon box for better firearms, manage your ammo, and use precision sniping to survive increasingly difficult waves.
- 3

Girls vs Zombies
Single-player alternative to Apocalypse: Floodgates — playable solo, no multiplayer required. Shares Action and Indie with Apocalypse: Floodgates.
Third person wave-based game. The concept is that you must survive a zombie apocalypse as a girl who wakes up in the middle of the disaster in her underwear. You don't have anything and you must arm yourself and defeat the zombies before they eat you.
- 4

REMNANT II®
Single-player alternative to Apocalypse: Floodgates — playable solo, no multiplayer required. Shares Action with Apocalypse: Floodgates.
REMNANT II® pits survivors of humanity against new deadly creatures and god-like bosses across terrifying worlds. Play solo or co-op with two other friends to explore the depths of the unknown to stop an evil from destroying reality itself.
- 5

Zombie Army Trilogy
Single-player alternative to Apocalypse: Floodgates — playable solo, no multiplayer required. Shares Action with Apocalypse: Floodgates.
The cult horror shooter series comes to an apocalyptic conclusion with an epic new third chapter, a heart-pumping new horde mode, and remastered editions of the best-selling Nazi Zombie Army 1 & 2.
- 6

Gears of War: Reloaded
Single-player alternative to Apocalypse: Floodgates — playable solo, no multiplayer required. Shares Action with Apocalypse: Floodgates.
Experience the origins of one of gaming’s most acclaimed franchises like never before, faithfully remastered and optimized for PC.
- 7

Dead Space™ 3
Single-player alternative to Apocalypse: Floodgates — playable solo, no multiplayer required. Shares Action with Apocalypse: Floodgates.
Journey across space to the icy planet of Tau Volantis with Isaac Clarke and Sgt. John Carver to discover and destroy the source of the Necromorph outbreak.
- 8

I Am Alive
Single-player alternative to Apocalypse: Floodgates — playable solo, no multiplayer required. Shares Action with Apocalypse: Floodgates.
I Am Alive casts the player as a lone survivor in a believable, dark and insecure post-apocalyptic world.