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
Steel Swarm: SURVIVOR
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Steel Swarm: SURVIVOR is a fast-paced roguelite survivors game where you obliterate swarms with your drones. Set up formations, upgrade your drones, and overwhelm hordes of metal in each run. Take on enemy waves solo or in multiplayer co-op!
- 2
Metal Golem: First Contact
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
A 3rd person, Mech battle Arena, Choose between 6 soul crushing arenas and 10 stages to host your last stand against the Kaydiest. You Vs. the Swarm, To the death! And compete real time with other players scores from around the world Via the online leaderboard.
- 3
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.
- 4
Hyper Vyper
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Hyper Vyper is an electric third-person roguelite shooter for those that stay moving. Blast, kick & slide through a Neon City descending into madness. Master a kinetic moveset, find crazy builds, grow from outgunned survivor to unstoppable force. Resist!
- 5
Slyders
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Slyders is a survivor-like, roguelite bullet-hell FPS where you fight overwhelming hordes of enemies and unleash a ridiculous arsenal of upgrades. You’re Aryx, a fearless fox freedom fighter on his supersonic battle turtle who aims to liberate Sky World from evil.
- 6
Soul Machine
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Build your ultimate mech and face endless hordes of rogue robots. In this fast-paced rogue-lite twin-stick shooter, combine devastating weapons, unlock synergies, and salvage scrap to survive the mechanical swarm. Will your chassis hold together?
- 7
Drone Arena
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
Drone Arena is a TPS arena shooter roguelite where you control a Drone wielding weapons at a time to fight off hordes of mechas. Choose from a variety of power-ups and items to create unique builds and survive to the top of the arenas. No checkpoints. Kill, die, learn, repeat.
- 8
RIG Riot
Single-player alternative to TerraTech Legion — playable solo, no multiplayer required. Shares Action with TerraTech Legion.
RIG Riot is a roguelike third-person mech-action shooter. Fight increasingly difficult enemies while completing objectives, level up, and choose the Weapons and Volatile Mods that will let you return from your raids victorious. Discover thousands of permanent parts, and build a RIG unlike any other.
- 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