Single-player games like Swarm Queen
Below are 8 single-player Steam games similar to Swarm Queen, 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 Swarm Queen page.
Ranked picks
- 1
Ants Times Infinity
Single-player alternative to Swarm Queen — playable solo, no multiplayer required. Shares Strategy with Swarm Queen.
Craft your nest underground, finding powerful combinations of chambers and pheromones to build the perfect ant-spawning engine. Then unleash them in their thousands onto the surface, directing workers to fuel the swarm while soldiers and champions push out to conquer enemy territories.
- 2
Knights vs Aliens
Single-player alternative to Swarm Queen — playable solo, no multiplayer required. Shares Strategy and Indie with Swarm Queen.
Command knights, aliens, and other historically dubious nations in a free real-time tower conquest game rebuilt from a 2009 iPad original. Grow armies, capture towers, and outmaneuver adaptive AI through 30 campaign levels.
- 3
FleetRush
Single-player alternative to Swarm Queen — playable solo, no multiplayer required. Shares Strategy and Indie with Swarm Queen.
Real-time naval strategy. Build your fleet, defend your base, and destroy the enemy. At your command — ships, submarines, aircraft, and defensive structures.
- 4
Seed World
Single-player alternative to Swarm Queen — playable solo, no multiplayer required. Shares Strategy and Indie with Swarm Queen.
Seed World is a game that aims to combine automation, conveyor belts, and level progression. The game simplifies automation 'construction' into a series of progress bars, with each progress producing or consuming resources, and players need to manage resources.
- 5
Flow Of War
Single-player alternative to Swarm Queen — playable solo, no multiplayer required. Shares Strategy with Swarm Queen.
A unique blend of base building and wave defense. Workers automatically gather resources and manage your economy while you focus on strategy. Expand and fortify your kingdom, command elite armies, and survive endless procedurally generated enemy waves.
- 6
SYNCHRONIZERS: UNDEAD MARINES
Single-player alternative to Swarm Queen — playable solo, no multiplayer required. Shares Strategy and Indie with Swarm Queen.
"SYNCHRONIZERS: UNDEAD MARINES" blends high-quality Three-Lane Tower Defense with Reverse Tower Defense gameplay. Command your units in a thrilling narrative reminiscent of a StarCraft and Plants Vs. Zombies fusion! Your choices will forge the path to victory—or defeat.
- 7
Echoes of the Architects
Single-player alternative to Swarm Queen — playable solo, no multiplayer required. Shares Strategy and Indie with Swarm Queen.
Design the perfect units, program their behavior, and unleash them in fully automated battles. Refine your creations throughout the campaign, then outsmart all your opponents online.
- 8
D for Defender
Single-player alternative to Swarm Queen — playable solo, no multiplayer required. Shares Strategy and Indie with Swarm Queen.
A Tower Defense with no respite, no waves, no end. Facing monsters that learn from your placements and adapt in real time to every one of your weaknesses, build and upgrade your defenses freely to create the perfect trap.