Single-player games like Germ Swarm: Evolution & Mutation
Below are 8 single-player Steam games similar to Germ Swarm: Evolution & Mutation, 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 Germ Swarm: Evolution & Mutation page.
Ranked picks
- 1
Slorbis: Tower Defense
Single-player alternative to Germ Swarm: Evolution & Mutation — playable solo, no multiplayer required. Shares Strategy and Indie with Germ Swarm: Evolution & Mutation.
Immerse yourself in the cozy, minimalist world of Slorbis: Tower Defense. Build towers with unique roles, buy modifiers of varying rarities, collect money, and face the unpredictability of procedurally generated maps as you defend the king from dark spirits.
- 2
Hear My Cult
Single-player alternative to Germ Swarm: Evolution & Mutation — playable solo, no multiplayer required. Shares Strategy and Indie with Germ Swarm: Evolution & Mutation.
Build a Cult. Command an Army. Earn the Favor of Ancient Gods. Recruit followers, summon terrifying creatures, perform forbidden rituals, and forge a different army every run in this dark fantasy roguelite.
- 3
Gelluloid Domination
Single-player alternative to Germ Swarm: Evolution & Mutation — playable solo, no multiplayer required. Shares Strategy and Simulation with Germ Swarm: Evolution & Mutation.
Gelluloid Domination is a fast-paced, strategic and tactical game where you grow a network of cells. Expand by assimilating nearby cells, fight off pathogens and develop nanoboosts in the lab. Other cells want to propagate their DNA too, so this won't be easy. Can your cells achieve domination?
- 4
城市塔防-City Tower Defence
Single-player alternative to Germ Swarm: Evolution & Mutation — playable solo, no multiplayer required. Shares Strategy and Indie with Germ Swarm: Evolution & Mutation.
Roguelite tower defense. Each run generates a different map identity, base position, frontline layout, and pressure lanes. Build and upgrade towers, shape your run with cards and between-wave rewards, manage resources and positioning, survive waves of escalating enemies and boss encounters.
- 5
Queen,Don't be afraid
Single-player alternative to Germ Swarm: Evolution & Mutation — playable solo, no multiplayer required. Shares Strategy and Indie with Germ Swarm: Evolution & Mutation.
In this game, you play as the Queen of the Insectoid race, instead of being a righteous messenger. Your objective is to create intricate mazes underground in the city to resist the human soldiers who come to vanquish you!
- 6
Harvest Loop
Single-player alternative to Germ Swarm: Evolution & Mutation — playable solo, no multiplayer required. Shares Strategy and Simulation with Germ Swarm: Evolution & Mutation.
"Harvest Loop" is a Rougelike game that mainly features farming simulation and management. In the game, you need to use special crops with various abilities to adapt to the changing seasons and fight against the greedy "locust army" to protect the normal operation of the farm.
- 7
REBELLION PRINCESS｜リベリオン プリンセス
Single-player alternative to Germ Swarm: Evolution & Mutation — playable solo, no multiplayer required. Shares Strategy with Germ Swarm: Evolution & Mutation.
Raise your favorite characters and have them ready to fight in the next run! Command beautiful girls to defend the castle and princess A non-reset roguelite × tower defense
- 8
The Beast King Plan
Single-player alternative to Germ Swarm: Evolution & Mutation — playable solo, no multiplayer required. Shares Strategy and Indie with Germ Swarm: Evolution & Mutation.
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