Mutant Survivors

Mutant Survivors is a horde-survival game set on an Earth reshaped by an alien biological corruption. You fight escalating waves of mutants with auto-attacking weapons, build a different combination of weapons and upgrades on each run, and face boss fights as you try to survive for runs lasting over 30 minutes.

A corrupted Earth

Three hundred thousand years ago, an alien biotechnological ship crashed into Earth's polar ice caps. It carried Voltris the Luminous Reaper, a Biological Corruption Judge sent to erase civilizations on the brink of collapse. When the climate crisis melted the glaciers, Voltris awakened and its corrupted protocols reshaped life: forests became fleshy labyrinths, animals evolved into armored, multi-eyed monstrosities, and organic towers transformed cities into mutant hives. Billions died, leaving only a fraction of humanity alive.

You are one of the survivors touched by mutation but not consumed by it. That mutation is now humanity's weapon. Across runs, you can unlock new characters, weapons and passive abilities, with permanent progression and escalating endgame difficulty.

Elemental builds

You collect ancient Element Cores from Voltris's crashed ship and use them to infuse weapons with five elements. Combining two elements unlocks 10 Hybrid Forms, and each weapon transforms according to your elemental choices, creating thousands of possible builds.

• Fire: stack burn damage and trigger explosions.
• Ice: slow enemies and shatter them with true damage.
• Lightning: chain attacks between enemies.
• Poison: deal damage over time that scales as enemies weaken.
• Wind: build momentum through movement to deliver powerful knockbacks.
• Plasma: combine Fire and Lightning so burning targets arc electricity to nearby foes.
• Frostfire: combine Fire and Ice to fracture chilled enemies with explosive shatter.
• Tempest: combine Lightning and Wind so gusts carry bolts to additional enemies.
• Acid Blood: combine Fire and Poison to burn acid through armor over time.
• Cryo Shock: combine Ice and Lightning so frozen enemies discharge bolts in all directions.

Five other Hybrid Forms are also available to discover.

Survivor classes

Choose from five survivors, each with a different combat style:

• Soldier: a balanced combat operative with no weaknesses.
• Juggernaut: high health and armor, but slower movement.
• Ghost: a fast, fragile assassin with a high critical-hit chance.
• Elementalist: deals 30% more damage and fires extra projectiles, with a focus on elemental damage.
• Scavenger: gathers resources with a large pickup range and increased XP gain.

Evolving weapons

You start with basic biotech weapons and can unlock more than 10 weapon types. The arsenal includes piercing, burning or chaining Blades and Spears; a continuous Bio-Stream beam of concentrated biomass; orbiting Energy Orbs that defend and attack; stationary Trap Systems that create elemental storm zones; Meteor Strike orbital bombardments; and sweeping Prismatic Lasers of elemental energy. Elemental choices transform the weapons, while more than 20 passive upgrades let you customize your build.

Bosses and relics

Each boss guards a Relic Chest containing powerful items. The encounters include Gravorn, the first test of your survival skills; the armored Crimson Alloy Titan; Morvex, a high-damage threat that calls for tactical positioning; the relentless Void Sentinel; and Voltris the Luminous Reaper, the final battle.

After defeating bosses, you choose from more than 20 Relics with meaningful trade-offs. Devastator Core adds 35% critical-hit chance and 50% critical-hit damage, while Berserker Gland adds 50% damage but reduces maximum health by 22%. Titan Bulwark greatly increases survivability at the cost of speed, Second Chance revives you once when killed, and Chaos Amplifier raises difficulty and XP gain by 50% each.