Single-player games like O Holy Knight
Below are 13 single-player Steam games similar to O Holy Knight, 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 O Holy Knight page.
Ranked picks
- 1
Duriano
Single-player alternative to O Holy Knight — playable solo, no multiplayer required. Shares Action and Early Access with O Holy Knight.
Duriano is a top-down arena shooting Slasher roguelite game where the player will be a hero durian of the norse wielding a weapon to fight upon a god of norse mythology. From different weapons, Durian hero, God’s trail, items will lead the player to create a build and defeat all gods of asgard.
- 2
Unbounded
Single-player alternative to O Holy Knight — playable solo, no multiplayer required. Shares Action and Early Access with O Holy Knight.
A fast-paced top-down bullet hell roguelike where every input matters. Fight, dodge, upgrade, repeat. Push yourself to the limit and see how far you can go.
- 3
Conquest Dark
Single-player alternative to O Holy Knight — playable solo, no multiplayer required. Shares Action and Early Access with O Holy Knight.
Experience an ARPG's rapid ascension to power in minutes, packed with savage, survivors-like action and devastating sword & sorcery combat. Perfect your builds through Dark Ritual runs that will decide humanity's future as you battle endless hordes across haunting ruins and cursed kingdoms.
- 4
FORCED SHOWDOWN
Single-player alternative to O Holy Knight — playable solo, no multiplayer required. Shares Action with O Holy Knight.
Deckbuilding empowers this challenging bullet hell adventure! Each character is a unique experience: Choose a deck of unlockable cards to boost you in new ways every battle - "My whirlwind shoots fireballs!?". Battle hordes of brutal foes to become a superstar in C-SAR’s ever-changing game show.
- 5
God Of Weapons
Single-player alternative to O Holy Knight — playable solo, no multiplayer required. Shares Action with O Holy Knight.
Embark on a thrilling journey in God of Weapons, an action roguelike where you must ascend the tower of Zhor to reclaim the last light for the world. To survive the monster onslaught on each tower's level, you'll need to obtain and carefully organize weapons and accessories in your inventory.
- 6
Spirit Hunters: Infinite Horde
Single-player alternative to O Holy Knight — playable solo, no multiplayer required. Shares Action with O Holy Knight.
You are the Spirit Hunters in this action rogue-lite. Slay huge waves of monsters and harvest their souls for ever increasing power. Unlock many playable characters, abilities, maps and more through a deep progression system.
- 7
Twilight Survivors
Single-player alternative to O Holy Knight — playable solo, no multiplayer required. Shares Action with O Holy Knight.
A time-limited survival game infused with rogue-lite elements and an adorable art style! The world has plunged into darkness, and you are its sole beacon of hope. Will you endure until dawn, or succumb to repeated deaths in your quest? Fear not, for you can collect more coins to arm yourself!
- 8
Supercat Survivors
Single-player alternative to O Holy Knight — playable solo, no multiplayer required. Shares Action with O Holy Knight.
Meow! This is a cat-themed Survivor-like game where you control an adorable Supercat! Battle monsters to level up, collect items, upgrade weapons, and experiment with strategic builds to fight off invading creatures threatening Meow Star.
- 9
Project Lazarus
Single-player alternative to O Holy Knight — playable solo, no multiplayer required. Shares Action with O Holy Knight.
You are the first party mech pilot of alien planet colonizers! Project Lazarus is a survival game with rogue-lite elements. Deploy and upgrade your mech to the metal!
- 10
Tavern Tycoon - Dragon's Hangover
Single-player alternative to O Holy Knight — playable solo, no multiplayer required.
Run your fantasy RPG tavern - let travellers take shelter for the night and serve 'em the best mead of their life with a good dose of humor.
- 11
Domino Simulator
Single-player alternative to O Holy Knight — playable solo, no multiplayer required.
Domino Simulator is a physics-based sandbox game in which you place various domino tiles and pieces to construct domino chains. Enjoy the odd satisfaction of watching your creation fall one after the other. Ultimately, the floor is yours to fill and the how and the what is completely up to you.
- 12
What The Gravity
Single-player alternative to O Holy Knight — playable solo, no multiplayer required. Shares Action and Early Access with O Holy Knight.
Prepare for the electrifying space adventure as a delivery specialist in the legendary United Space Force (USF). Embark on a high-octane delivery run, navigating treacherous space battlefields, and defying all odds to ensure the success of your critical mission - before the beer gets warm.
- 13
Project Lazarus 2
Single-player alternative to O Holy Knight — playable solo, no multiplayer required. Shares Action with O Holy Knight.
Deploy, adapt, and upgrade your mech in Project Lazarus 2—the next evolution of survival and rogue-lite action! Battle relentless enemies, unlock powerful upgrades, and forge your own path. Gear up and push your limits as every run brings new strategies and intense challenges.