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
Surviving Mars
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
- 3
Monsters are Coming!
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
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?
- 4
DG2: Defense Grid 2
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.
- 5
Weird Worlds: Return to Infinite Space
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy and Casual with outpost4.
Weird Worlds: Return to Infinite Space is a hybrid roguelike game of space exploration, adventure and starship combat.
- 6
Unstoppable Gorg
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy and Casual with outpost4.
Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!
- 7
SPORE™
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.
- 8
Lessaria: Fantasy Kingdom Sim
Single-player alternative to outpost4 — playable solo, no multiplayer required. Shares Strategy with outpost4.
Lessaria is an RTS inspired by Majesty 👑 where you guide heroes with indirect control. Play through the campaign or relax in sandbox mode as you build your magical kingdom.
- 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.