IMHO.

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. 1
    Escape Z — Steam game cover

    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.

    2025ActionIndieAdventure6.99 USDSingle-playerSimilar games →
  2. 2
    Resurection. — Steam game cover

    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.

    2026ActionIndieSingle-playerSimilar games →
  3. 3
    Girls vs Zombies — Steam game cover

    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.

    2022ActionIndieAdventure7.99 USDSingle-playerSimilar games →
  4. 4
    REMNANT II® — Steam game cover

    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.

    2023ActionAdventureRPG49.99 USDSingle-playerSimilar games →
  5. 5
    Zombie Army Trilogy — Steam game cover

    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.

    2015Action44.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Gears of War: Reloaded — Steam game cover

    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.

    2025Action39.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Dead Space™ 3 — Steam game cover

    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.

    2020Action3.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    I Am Alive — Steam game cover

    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.

    2012ActionAdventureDeck PlayableSingle-playerSimilar games →