Free games like Sid Meier's Alpha Centauri™ Planetary Pack
Below are 8 free-to-play Steam games similar to Sid Meier's Alpha Centauri™ Planetary Pack, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Sid Meier's Alpha Centauri™ Planetary Pack page.
Ranked picks
- 1
The Lab
Free-to-play alternative to Sid Meier's Alpha Centauri™ Planetary Pack — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 2
PlanetSide 2
Free-to-play alternative to Sid Meier's Alpha Centauri™ Planetary Pack — no purchase or trial window.
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
- 3
Limbus Company
Free-to-play alternative to Sid Meier's Alpha Centauri™ Planetary Pack — no purchase or trial window.
As the Executive Manager of Limbus Company, lead your group of twelve Sinners, venture into the buried facilities of Lobotomy Corporation, and lay claim on the Golden Boughs.
- 4
Cell to Singularity - Evolution Never Ends
Free-to-play alternative to Sid Meier's Alpha Centauri™ Planetary Pack — no purchase or trial window.
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.
- 5
Moonbase Alpha
Free-to-play alternative to Sid Meier's Alpha Centauri™ Planetary Pack — no purchase or trial window. Shares Strategy with Sid Meier's Alpha Centauri™ Planetary Pack.
NASA has once again landed on the lunar surface with the goal of colonization, research, and further exploration. Shortly after the return to the Moon, NASA has established a small outpost on the south pole of the moon called Moonbase Alpha.
- 6
Toribash
Free-to-play alternative to Sid Meier's Alpha Centauri™ Planetary Pack — no purchase or trial window. Shares Strategy with Sid Meier's Alpha Centauri™ Planetary Pack.
Toribash is an innovative free-to-play online turn-based fighting game where you’re able to design your own moves. Complete control over character's body, hundreds of game mods and bloody mess with full body dismemberment - you've never been able to annihilate your enemies like that before!
- 7
Alien Swarm
Free-to-play alternative to Sid Meier's Alpha Centauri™ Planetary Pack — no purchase or trial window.
Co-operative multiplayer game and complete code base available for free.
- 8
KARDS - The WW2 Card Game
Free-to-play alternative to Sid Meier's Alpha Centauri™ Planetary Pack — no purchase or trial window. Shares Strategy with Sid Meier's Alpha Centauri™ Planetary Pack.
KARDS, The World War II Card Game, combines traditional CCG gameplay with innovative mechanics inspired by classic strategy games and real battlefield tactics. Take command and challenge other players in grand-scale warfare on the ground, air, or seas.