Single-player games like Project Tomorrow
Below are 9 single-player Steam games similar to Project Tomorrow, 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 Project Tomorrow page.
Ranked picks
- 1
Nightwater
Single-player alternative to Project Tomorrow — playable solo, no multiplayer required. Shares Strategy with Project Tomorrow.
Forage, craft and automate to grow your factory, unlock new technologies and expand your island to discover new biomes. Progress through the ages from sticks and stones to the Bronze Age, the Industrial Era and into the future to uncover the secret of the Lighthouse and escape this reality.
- 2
Frostliner
Single-player alternative to Project Tomorrow — playable solo, no multiplayer required. Shares Strategy with Project Tomorrow.
The moon shattered. The world froze. Take command of a nomadic train city hurtling through a war-ravaged frozen wasteland. In this survival city builder on rails, gather survivors, scavenge resources, and do whatever it takes to keep the engine running and stay ahead of the frost.
- 3
Corsair Cove
Single-player alternative to Project Tomorrow — playable solo, no multiplayer required. Shares Strategy with Project Tomorrow.
Build a sprawling pirate haven, raise a fleet to explore the high seas, and take on the Crown to keep the Age of Piracy alive! From ale to flintlock pistols, and from scallywags to swashbucklers, you’ll need to manage complex production chains and govern a rowdy crew to reign supreme over the seas!
- 4
Here Comes The Swarm
Single-player alternative to Project Tomorrow — playable solo, no multiplayer required. Shares Strategy with Project Tomorrow.
Here Comes the Swarm is a survival RTS with a pause button! Create your strategy, build, manage, and defend your settlements at your own pace. Take the fight to the hive mind and lead expeditions to deliver a deadly blow and eradicate your foes. Will you reclaim Ulora from the relentless Swarm?
- 5
The Alters
Single-player alternative to Project Tomorrow — playable solo, no multiplayer required.
Explore an emotional sci-fi game with a unique blend of survival, adventure, and base-building elements. Help Jan Dolski, the sole survivor of an ill-fated space expedition, create alternative versions of himself to escape a hostile planet and tackle personal turmoils with this unconventional crew.
- 6
AETHUS
Single-player alternative to Project Tomorrow — playable solo, no multiplayer required. Shares Strategy with Project Tomorrow.
Explore a vast underground world to mine and craft hundreds of items while building up your modular Outpost on the surface, to prospect for gems, refine resources and farm hydroponic crops in this top-down sci-fi survival-crafter where the story always provides a reason to dig deeper.
- 7
Blossom: The Seed of Life
Single-player alternative to Project Tomorrow — playable solo, no multiplayer required.
Terraform a dead planet back to life in this open world survival crafting game. Explore ruins, gather resources, print machines, drive modular vehicles, grow forests, biomes, and ecosystems. Create life and make it thrive with your own hands.
- 8
Whiskerwood
Single-player alternative to Project Tomorrow — playable solo, no multiplayer required. Shares Strategy with Project Tomorrow.
Establish a home for your industrious mice under the oppressive paw of your cat overlords in this city builder featuring complex simulations, intricate production chains, and the age-old rivalry between cat and mouse.
- 9
Night Stones
Single-player alternative to Project Tomorrow — playable solo, no multiplayer required.
You awake in Mythica, a cozy island where magical stones change day to night. Explore winding paths or venture into the wilds with your trusty glider and sailboat. To return home, you must befriend quirky townsfolk, discover hidden treasures, master magic, and face enemies in clever puzzle combat.