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

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.
- 2

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!
- 3

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!
- 4

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.
- 5

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.
- 6

Death of Eternity
Single-player alternative to The Last Citadel — playable solo, no multiplayer required. Shares Action with The Last Citadel.
You were created to purge all that defile. Slaughter hoards of such filth, gaining powerful items and abilities with every drop of blood. Forge your own path through the heavens fully customizing your experience. Share in this virtuous crusade with up to three friends in Online multiplayer co-op!
- 7

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 1–3 player co-op horde shooter. Survive relentless waves solo or with friends. Spend resources at Citadels to buy and upgrade weapons, unlock active and passive skills, activate traps, and shape your build as each round grows more intense.
- 8

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?
- 9

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.
- 10

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!
- 11

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.
- 12

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!
- 13

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.
- 14

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.