Single-player games like TerraTech Legion
Below are 11 single-player Steam games similar to TerraTech Legion, 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 TerraTech Legion page.
Ranked picks
- 1
Deep Rock Galactic: Survivor
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
DEEP ROCK GALACTIC: SURVIVOR is a single player survivor-like auto-shooter. Take on hordes of lethal aliens, mine riches, and unlock powerful upgrades to survive, as you wield the full arsenal of Deep Rock Galactic. It's one dwarf against all of Planet Hoxxes!
- 2
Vital Shell
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Vital Shell is a single player top-down arena shooter that puts you in control of mechs inspired by classic fantasy archetypes. Unlock powerful synergies with unique weapons, traits, and abilities as you take on increasingly challenging waves of enemies in a shattered realm.
- 3
Airships: Lost Flotilla
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Airships: Lost Flotilla is a steampunk autoshooter where you fight your way through waves of enemies on your way to a safe harbour. Destroy your foes, harvest wreckage, and upgrade your ship.
- 4
Monsters are Coming!
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Beware, Monsters are Coming! In this Tower-Survivor rogue-lite, you protect an ever-moving city from unrelenting hordes. Gather resources, fortify defences, and survive for as long as you can. Will you reach the Ark?
- 5
Grind Survivors
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Grind Survivors is a fast-paced action roguelike where demon hunters face endless hellspawn. Dodge, loot, and blast through brutal bullet-hell combat with dynamic builds and ever-changing weapons in a scorched, demon-ridden world.
- 6
R.I.P. - Reincarnation Insurance Program
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Welcome to the Reincarnation Insurance Program! This top-down roguelite shooter blends Diablo-style looting with Survivor-like mayhem. Face screen-filling zombie tides, use Divine Tech to liquidate them into ash, and farm god-tier gear to forge your OP build.
- 7
Gigantes Ex Machina
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Fast paced Top-down shooter! Smartly use IRCM to evade the constant barrage of bullets and missiles and destroy everything that stands in your way.
- 8
Genome Guardian 2
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
COMBINE WEAPONS in the microscopic shooter with macroscopic depth. BUILD YOUR NANOBOT from hundreds of parts. SURVIVE the microbial onslaught once more in this psychedelic dive to the Abyss, full of mutations, minerals, anomalies and powerup polyps. SHMUP mode turns it into a vertical shoot 'em up!
- 9
Vampire Survivors
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!
- 10
TerraTech
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
TerraTech is an open-world, sandbox adventure game, where you design and build your own creations through a mix of crafting, combat and discovery. Design vehicles from a huge library of blocks. Scavenge, craft and buy new parts to survive and become the ultimate planetary prospector.
- 11
TerraTech Worlds
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment