Single-player games like Buggos
Below are 10 single-player Steam games similar to Buggos, 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 Buggos page.
Ranked picks
- 1

Buggos 2
Single-player alternative to Buggos — playable solo, no multiplayer required. Shares Strategy and Simulation with Buggos.
Conquer and destroy the dirty Humans by sending swarms of bugs to crush their home worlds. Evolve your Buggos into stronger, faster, more murderous creatures that can rip the Human defenses to shreds! No one can stop your evolutionary powers. You are the evil Buggo Hivemind!!!
- 2

Empires of the Undergrowth
Single-player alternative to Buggos — playable solo, no multiplayer required. Shares Strategy and Simulation with Buggos.
Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.
- 3

Cataclismo
Single-player alternative to Buggos — playable solo, no multiplayer required. Shares Strategy and Simulation with Buggos.
Design and build fortresses brick by brick to stand against endless hordes of Horrors in this real-time strategy game with resource management, siege defense, and exploration. Lead from the ramparts, push back the darkness, and hold fast against the creatures of the Mist.
- 4

Spacebase Startopia
Single-player alternative to Buggos — playable solo, no multiplayer required. Shares Strategy and Simulation with Buggos.
Spacebase Startopia captivates with its original mixture of economic simulation and empire building strategy paired with classic RTS skirmishes and a good dose of humor.
- 5

Creeper World 4
Single-player alternative to Buggos — playable solo, no multiplayer required. Shares Strategy and Simulation with Buggos.
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
- 6

From Glory To Goo
Single-player alternative to Buggos — playable solo, no multiplayer required. Shares Strategy and Simulation with Buggos.
From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.
- 7

They Are Billions
Single-player alternative to Buggos — playable solo, no multiplayer required. Shares Strategy with Buggos.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
- 8

Farthest Frontier
Single-player alternative to Buggos — playable solo, no multiplayer required. Shares Strategy and Simulation with Buggos.
Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.
- 9

Praise Dead
Single-player alternative to Buggos — playable solo, no multiplayer required. Shares Strategy and Simulation with Buggos.
Praise Dead is a roguelike auto-battler where you create zombies from the parts of dead villagers and monsters. Use your zombies to defeat waves of demons, and to harvest resources to improve and upgrade your village.
- 10

Gravity Shot
Single-player alternative to Buggos — playable solo, no multiplayer required. Shares Simulation and Casual with Buggos.
Sling shot explosive nuclear warheads into collision course with your planetary assassination targets. Using the gravitation of a planet against itself, while navigating your payload around asteroids, moons and even Black Holes for devastating effect!