IMHO.

Single-player games like The Last Citadel

Below are 14 single-player Steam games similar to The Last Citadel, 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 The Last Citadel page.

Ranked picks

  1. 1
    Rogue Runner — Steam game cover

    Rogue Runner

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    Stop running and you die. Combine fluid parkour mechanics with roguelite TPS combat in a procedurally generated world. Master the movement, break the loop, and escape the Machine of Improbability.

    2026ActionIndieAdventure4.97 USDSingle-playerSimilar games →
  2. 2
    Rogue's Odyssey — Steam game cover

    Rogue's Odyssey

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    Explore, Grind, Loot, Die, and repeat! Face hordes of monsters and challenging bosses in a 2.5D co-op roguelike ARPG. Combine skills across classes, creating thousands of unique builds, such as a potion-brewing Warrior or a wizardry Cat, the choice is yours!

    2026ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Toypunk — Steam game cover

    Toypunk

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    A roguelite third-person puppet-shooter where you wield an entire toybox of absurd weaponry. Fight hordes of cotton-stuffed baddies across fantastical biomes in single-player or co-op. Experience crazy synergies and unlock more toys between runs!

    ActionSingle-playerSimilar games →
  4. 4
    DROSS — Steam game cover

    DROSS

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    DROSS is a procedurally Generated FPS, set in a derelict facility infested with alien bugs. Explore, collect powerful weapons and equipment, to upgrade your gear and fight the Dross.

    2026ActionIndieAdventureSingle-playerSimilar games →
  5. 5
    RUNE GUNNER — Steam game cover

    RUNE GUNNER

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    RUNE GUNNER is a 1-4 player co-op roguelite shooter where you fuse guns and magic, mix classes mid-run, and break your build in the best way possible.

    2027ActionSingle-playerSimilar games →
  6. 6
    Mauled Horde — Steam game cover

    Mauled Horde

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    Mauled Horde is a Free-To-Play indie Third-Person Shooter made by a solo developer. Play solo or in online co-op squads of up to 3 players. Fight relentless hordes across varied maps, collect weapons, activate traps, buy upgrades, and survive rising difficulty round after round.

    2026ActionIndieFree To PlayFreeSingle-playerSimilar games →
  7. 7
    Questwood — Steam game cover

    Questwood

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    Fight your way through the forest in this action roguelite! Play as the Archer, Bomber, Spartan, or Wizard. Discover class-specific weapons, and craft the best combination of 3 modifier cards. Can you survive the forest and defeat the Cursed Tree?

    2025ActionIndieAdventure9.99 USDSingle-playerSimilar games →
  8. 8
    Total Backfire — Steam game cover

    Total Backfire

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    A co-op third-person action roguelite where every run drops you into a different action movie. Build powerful loadouts, battle aliens, zombies, and colossal bosses, and fight through cinematic biomes inspired by iconic '90s action blockbusters.

    ActionIndieSingle-playerSimilar games →
  9. 9
    Risk of Rain 2 — Steam game cover

    Risk of Rain 2

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    Escape a chaotic alien planet by fighting through hordes of frenzied monsters – with your friends, or on your own. Combine loot in surprising ways and master each character until you become the havoc you feared upon your first crash landing.

    2020ActionIndie24.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Slay the Spire — Steam game cover

    Slay the Spire

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required.

    We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!

    2019StrategyIndie6.24 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Borderlands 2 — Steam game cover

    Borderlands 2

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    The Ultimate Vault Hunter’s Upgrade lets you get the most out of the Borderlands 2 experience.

    2012ActionRPG19.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Warhammer: Vermintide 2 — Steam game cover

    Warhammer: Vermintide 2

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    The critically acclaimed Vermintide 2 is a visually stunning and groundbreaking melee action game pushing the boundaries of the first person co-op genre. Join the fight now!

    2018ActionIndieRPG29.99 USDSingle-playerSimilar games →
  13. 13
    Warhammer 40,000: Space Marine 2 — Steam game cover

    Warhammer 40,000: Space Marine 2

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.

    Embody the superhuman skill and brutality of a Space Marine. Unleash deadly abilities and devastating weaponry to obliterate the relentless Tyranid swarms. Defend the Imperium in spectacular third-person action in solo or multiplayer modes.

    2024ActionAdventureRPG59.99 USDDeck PlayableSingle-playerSimilar games →
  14. 14
    Total War: WARHAMMER 40,000 — Steam game cover

    Total War: WARHAMMER 40,000

    Single-player alternative to The Last Citadel — playable solo, no multiplayer required.

    Experience the brutal fusion of galactic strategy and grimdark warfare in Total War: WARHAMMER 40,000. Take command of iconic factions, customise your war machine, and engage in devastating battles as you carve a bloody warpath across the stars.

    StrategySingle-playerSimilar games →