Single-player games like outpost4
Below are 12 single-player Steam games similar to outpost4, 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 outpost4 page.
Ranked picks
- 1
Void Miner – Incremental Asteroids Roguelite
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
Blast. Collect. Upgrade. Repeat. Void Miner is a retro-inspired roguelite asteroid shooter where you pilot a space ship and manage an automated tower to destroy endless fields of chaos. Dodge, blast, and harvest your way through waves of asteroids in a fast-paced loop of destruction and progression.
- 2
Bermuda Bastion
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
Survive 33 days in the heart of the Bermuda Triangle! Build triangular structures to defend against malevolent squares, pentagons, and other geometric monsters. In this chaotic city-builder roguelike, every mistake pulls your Bastion closer to the depths.
- 3
Civilization Survivor
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy and Casual with outpost4.
This is a roguelike game similar to Vampire Survivors. You control a star to absorb new planets, and evolve into the civilization you want by absorbing different energies.
- 4
Botfestation
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy and Casual with outpost4.
Humanity built a limitless vending machine. Dr. Bio sent his techno-insect army to destroy it. Defend the prototypes in your exoskeleton bot, deploy towers in 1-4 player co-op, and save humanity’s future of free snacks, peace, and suspiciously convenient prosperity.
- 5
Scrap Bastion
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
Scrap Bastion is a strategy tower defense game where you manage your city, equipping it to survive the waves of mutant creatures, testing your planning and decision making capacities at every turn. Watch out, as time is crucial to win!
- 6
Eyeb
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
Eyeb is an action packed tower defense-like that pits a young space cadet's bionic eyeball against a harrowing nano-bot invasion. Push out, explore, power up and drop a trillion towers for the glory of facing off with the diabolical Nano-Lord. You can also go fishing in space.
- 7
Irongrim Tower
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
Tower defense meets city building in a grimdark sci-fi world. Build vertically, manage resources, defend against alien hordes, and command machine priests in humanity's last stronghold.
- 8
The Banished Vault
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
A strategy game of exploration, endurance, and space travel on an interstellar gothic monastery. Explore solar systems, harvest resources, construct outposts, and face hazards in the challenging universe of The Banished Vault.
- 9
Outpost
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Casual with outpost4.
this is a tower defence game,we need upgrade our weapons to fight waves of enemies,robots can mining diamonds,and we need spent those in many aspect，features of this game: 1 return back before dager comes,2tempory upgrade are important but permanent upgrade are better
- 10
BattlefieldPriest
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
this is a RTS strategy game,if you like Warcraft or Command & Conquer you maybe like this game players controller a priest to healing soldiers and choose which kind of soldiers the kingdom need , killing monters and murch for their nests
- 11
Outpost 3
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Casual with outpost4.
this is a mining , got resources to upgrade device and weapons game,monsters will appear and defence your mecha . player landed on different planets,them can collect diffient ore and upgrade weapons,find mining device and relics to make every round special . move character and mining ore
- 12
Occupy
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
Accumulate soldiers and capture cities. Choose the optimal attack routes and timing. Formulate strategies to adapt to the ever-changing battlefield and assemble your forces wisely. Defeat enemies, upgrade your troops, and take on even greater challenges.