Single-player games like Mellstroy Survivor
Below are 8 single-player Steam games similar to Mellstroy Survivor, 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 Mellstroy Survivor page.
Ranked picks
- 1
Flock of the Seraphim
Single-player alternative to Mellstroy Survivor — playable solo, no multiplayer required. Shares Action and Indie with Mellstroy Survivor.
Exorcise hordes of demons using gun-wielding nuns and angels in this survivors-like bullet heaven! Collect and keep angels with unique weapons, stats, and abilities to create god-like builds as you fend off waves of enemies! Do you have enough faith to survive?
- 2
DinoSwarm
Single-player alternative to Mellstroy Survivor — playable solo, no multiplayer required. Shares Indie and RPG with Mellstroy Survivor.
DinoSwarm is a roguelite where you can hybridize Dinosaurs, fuse Powers and Elements, and more! The Swarm Queen is ready to invade the dimensions and gather as much DNA as she can. She will grant you incredible powers and enhancements. Invade Dimensions to collect DNA, Powers and Elements.
- 3
Mighty X Arms
Single-player alternative to Mellstroy Survivor — playable solo, no multiplayer required. Shares Action and Indie with Mellstroy Survivor.
Mighty X Arms is a roguelike survivor inspired by Brotato, featuring collectible weapon-creatures called Arms. Build your loadout, upgrade them, and mow down enemy swarms to survive.
- 4
Disaster Plan Z
Single-player alternative to Mellstroy Survivor — playable solo, no multiplayer required. Shares Action and Indie with Mellstroy Survivor.
Disaster Plan Z is a hardcore single-player shooting survival game set in a post-apocalyptic world. Players need to utilize various weapons along with their unique skills, construct different buildings, and continuously upgrade to resist the invasion of countless zombies and mutant creatures.
- 5
Hell Architect: Survivors
Single-player alternative to Mellstroy Survivor — playable solo, no multiplayer required. Shares Action and Indie with Mellstroy Survivor.
A darkly ironic action roguelite set in Dante’s Hell, where sin is power. Play as a demon architect hell-bent on overthrowing Lucifer, rebuilding the underworld, and unleashing forbidden powers with an unholy arsenal.
- 6
DivinityVassals
Single-player alternative to Mellstroy Survivor — playable solo, no multiplayer required. Shares Action and Indie with Mellstroy Survivor.
【Pet Catch】+【Evo/Mutation】+【Hatch Egg】+【World Shift】 Summon multiple pets to fight. Breed unique pets with random talents/traits/runes/skills via evo/mutation. Explore shifting world, challenge hidden BOSS, rampage Endless Tower. Tired? Return home to build and rest.
- 7
Monsters of Seabrook
Single-player alternative to Mellstroy Survivor — playable solo, no multiplayer required. Shares Indie and RPG with Mellstroy Survivor.
Capture, train, and fuse together minions into your ultimate weapon against foes and the gym leaders of Seabrook. Become the resident Monster Expert and collect them all!
- 8
Rogue Piñatas: VRmageddon
Single-player alternative to Mellstroy Survivor — playable solo, no multiplayer required. Shares Action and Indie with Mellstroy Survivor.
A multiplayer VR roguelite game, where Vampire Survivors meet Dead Rising. Your mission? Survive the party-apocalyptic world by bashing your way through swarms of invading Piñatas, where every swing could mean survival or sweet defeat!