Single-player games like Mortal Sin
Below are 16 single-player Steam games similar to Mortal Sin, 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 Mortal Sin page.
Ranked picks
- 1
Slasher's Keep
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Hack, slash, shoot and loot your way through procedurally generated dungeons! Smack your enemies into spikes with your inventory sack!
- 2
Death Must Die
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Descend the nether in search of Death himself! Choose from God-given powers to slay his hordes of minions. Unlock new heroes, collect powerful items and create game-breaking synergies in this roguelite hack and slash survivors game.
- 3
Darkblade Ascent
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Fast paced First-Person Melee Roguelike RPG with randomly generated weapons and upgrades, unlockable new classes and persistent leveling. Hack and slash your way through atmospheric dark fantasy locations, unique monsters and bosses.
- 4
Halls of Torment
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Slay hordes of terrifying monsters in this horde survival roguelite. Descend into the Halls of Torment where the Lords of the underworld await you. Treasures, magical trinkets, and a growing cast of heroes will grant you the power to vanquish these horrors from beyond. How long can you survive?
- 5
Into the Necrovale
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Into the Necrovale is an Action RPG in which you collect powerful items that interact with one another. You must be clever with your build if you hope to pierce the mysteries and dangers of the Necrovale, where a thousand generations of miscreants and criminals have been banished.
- 6
Striving for Light
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Blending deep Action RPG buildcrafting with roguelite action, Striving for Light lets you shape and customize an infinite skilltree. Hunt for powerful loot, craft and upgrade weapons to legendary power, slay hordes of enemies and challenging bosses in ever-changing dark worlds.
- 7
Space Hack
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Space Hack is an isometric action RPG set in space, featuring fast-paced hack-and-slash combat, loot progression, and dozens of levels to explore aboard a doomed colony ship.
- 8
VOIN
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Crafted by a solo developer, VOIN is a first-person hack-and-slash. Cleave through hordes of enemies in fast-paced combat. Explore dark fantasy realms filled with secrets and dangers. Discover powerful gear and weapons, and face menacing bosses in your quest to cleanse a broken world.
- 9
Wolfenstein: The New Order
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action with Mortal Sin.
Wolfenstein®: The New Order reignites the series that created the first-person shooter genre. Wolfenstein offers a deep game narrative packed with action, adventure and first-person combat.
- 10
Warhammer: End Times - Vermintide
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Vermintide is an epic co-operative action combat adventure set in the End Times of the iconic Warhammer Fantasy world.
- 11
Street Fighter V
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action with Mortal Sin.
Experience the intensity of head-to-head battles with Street Fighter® V! Choose from 16 iconic characters, then battle against friends online or offline with a robust variety of match options.
- 12
DOOM
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action with Mortal Sin.
Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.
- 13
Divinity: Original Sin 2 - Definitive Edition
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares RPG with Mortal Sin.
The critically acclaimed RPG that raised the bar, from the creators of Baldur's Gate 3. Gather your party. Master deep, tactical combat. Venture as a party of up to four - but know that only one of you will have the chance to become a God.
- 14
Dead Cells
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Dead Cells is a roguelite, metroidvania inspired, action-platformer. You'll explore a sprawling, ever-changing castle... assuming you’re able to fight your way past its keepers in 2D souls-lite combat. No checkpoints. Kill, die, learn, repeat.
- 15
Hades
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Defy the god of the dead as you hack and slash out of the Underworld in this rogue-like dungeon crawler from the creators of Bastion, Transistor, and Pyre.
- 16
Post Void
Single-player alternative to Mortal Sin — playable solo, no multiplayer required. Shares Action and Indie with Mortal Sin.
Post Void is a hypnotic scramble of early first-person shooter design that values speed above all else. Keep your head full and reach the end; Kill what you can to see it mend; Get the high score or try again.