Single-player games like Gem Rifts
Below are 10 single-player Steam games similar to Gem Rifts, 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 Gem Rifts page.
Ranked picks
- 1
The Riftbreaker
Single-player alternative to Gem Rifts — playable solo, no multiplayer required. Shares Indie with Gem Rifts.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
- 2
Pioneers of Pagonia
Single-player alternative to Gem Rifts — playable solo, no multiplayer required.
Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.
- 3
Stronghold HD (2012)
Single-player alternative to Gem Rifts — playable solo, no multiplayer required.
The original castle sim, Stronghold HD allows you to design, build and destroy historical castles. Engage in medieval warfare against the AI in one of two single player campaigns or online with up to 8 players.
- 4
Age of Empires II: Definitive Edition
Single-player alternative to Gem Rifts — playable solo, no multiplayer required.
42 Civilizations, 229 Campaign Missions, Singleplayer, Co-Op, Multiplayer, In-Game Editor, Mods, Cross-play...It is good to be the king.
- 5
Diplomacy is Not an Option
Single-player alternative to Gem Rifts — playable solo, no multiplayer required. Shares Indie with Gem Rifts.
Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?
- 6
Farthest Frontier
Single-player alternative to Gem Rifts — playable solo, no multiplayer required. Shares Indie with Gem Rifts.
Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.
- 7
They Are Billions
Single-player alternative to Gem Rifts — playable solo, no multiplayer required.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
- 8
Ashes of the Singularity: Escalation
Single-player alternative to Gem Rifts — playable solo, no multiplayer required.
A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat.
- 9
Fantasy Survivors
Single-player alternative to Gem Rifts — playable solo, no multiplayer required. Shares Indie with Gem Rifts.
A rogue-lite where you fight thousands of creatures, unlocking characters and equipment, to challenge deeper levels. Team up with friends or go solo; all drops are instanced so you don't have to share. Satisfying gameplay combined with smart choices make one-more-run a no-brainer.
- 10
One Clone Left
Single-player alternative to Gem Rifts — playable solo, no multiplayer required. Shares Indie with Gem Rifts.
Team up with friends to fight hordes of zombies and mutants that roam post-apocalyptic earth. Need extra lives and allies to help you fight? Just clone yourself and your weapons! Protect your fabricator to become an unstoppable force, able to take on any mutant in your sights.