Single-player games like CODEX MORTIS
Below are 8 single-player Steam games similar to CODEX MORTIS, 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 CODEX MORTIS page.
Ranked picks
- 1
Night Swarm
Single-player alternative to CODEX MORTIS — playable solo, no multiplayer required. Shares Action and RPG with CODEX MORTIS.
Claim your throne as Vampire Lord in this survivors-like. Each run is another step on your journey with new followers, quests and skills to unlock. The night is yours to conquer.
- 2
Royal Revolt Survivors
Single-player alternative to CODEX MORTIS — playable solo, no multiplayer required. Shares Action and Indie with CODEX MORTIS.
Unleash chaos in an electrifying 1-4 player co-op where survival and action-roguelite collide! Battle through relentless enemy hordes with a powerful mix of melee and ranged combat, navigating varied and dynamic environments.
- 3
Jotunnslayer: Hordes of Hel
Single-player alternative to CODEX MORTIS — playable solo, no multiplayer required. Shares Action and Indie with CODEX MORTIS.
Hordes of Hel is a gripping roguelike horde-survivor game set in the dark realms of Norse Mythology. Fight waves of enemies to earn divine blessings of ancient Viking Deities, explore hostile worlds and face powerful bosses. Become a god-like warrior in this ultimate showdown.
- 4
Halls of Torment
Single-player alternative to CODEX MORTIS — playable solo, no multiplayer required. Shares Action and Indie with CODEX MORTIS.
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
Grind Survivors
Single-player alternative to CODEX MORTIS — playable solo, no multiplayer required. Shares Action and Indie with CODEX MORTIS.
Grind Survivors is a fast-paced action roguelike where demon hunters face endless hellspawn. Dodge, loot, and blast through brutal bullet-hell combat with dynamic builds and ever-changing weapons in a scorched, demon-ridden world.
- 6
Vampire Survivors
Single-player alternative to CODEX MORTIS — playable solo, no multiplayer required. Shares Action and Indie with CODEX MORTIS.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
- 7
Monsters are Coming!
Single-player alternative to CODEX MORTIS — playable solo, no multiplayer required. Shares Action and Indie with CODEX MORTIS.
Beware, Monsters are Coming! In this Tower-Survivor rogue-lite, you protect an ever-moving city from unrelenting hordes. Gather resources, fortify defences, and survive for as long as you can. Will you reach the Ark?
- 8
The Spell Brigade
Single-player alternative to CODEX MORTIS — playable solo, no multiplayer required. Shares Action and Indie with CODEX MORTIS.
Survivors-like with ONLINE CO-OP for 1-4 players. Team up with your wizard friends to slay hordes of dark creatures. Complete team-based objectives, unlock new upgrades and create overpowered spell synergies. Friend nor foe is safe in this friendly fire bullet hell!