Single-player games like Cosmic Frontiers
Below are 8 single-player Steam games similar to Cosmic Frontiers, 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 Cosmic Frontiers page.
Ranked picks
- 1
Dominus Automa
Single-player alternative to Cosmic Frontiers — playable solo, no multiplayer required. Shares Adventure with Cosmic Frontiers.
Dominus Automa is an Idle Multiplayer RPG meant for busy adults who still love online gaming but don't have endless hours to play anymore. Shape your hero's decision-making process, define their strategy with the Combat Matrix system, and let them progress 24/7 - even when you're offline.
- 2
Tales of the Otherworld
Single-player alternative to Cosmic Frontiers — playable solo, no multiplayer required. Shares Adventure and RPG with Cosmic Frontiers.
A single-player and multiplayer game paying homage to classic MMORPGs: Explore the MU Continent featuring low-number stats, AFK auto-battles, co-op play, farming, and fishing.
- 3
Wishseeker
Single-player alternative to Cosmic Frontiers — playable solo, no multiplayer required. Shares Strategy and RPG with Cosmic Frontiers.
Wishseeker is a turn-based tactical roguelite where you lead a party of four Wishseekers into the ever-changing Hollow Vault. Master fast-paced grid-based combat, craft unique builds with skills and artifacts, and uncover the truth behind the corruption lurking beneath every expedition.
- 4
MonCraft 199X
Single-player alternative to Cosmic Frontiers — playable solo, no multiplayer required. Shares Adventure and RPG with Cosmic Frontiers.
Explore a retro-inspired open-world sandbox adventure set in a post-Y2K alternate reality. As an aspiring Mon trainer you'll battle opponents, rescue lost souls, rebuild towns, and research mysterious monsters across a wild world. Can you conquer the chaos and restore a thriving community?
- 5
Wasteland 3
Single-player alternative to Cosmic Frontiers — playable solo, no multiplayer required. Shares Strategy and RPG with Cosmic Frontiers.
Following the critically acclaimed 2014 Game of the Year winner Wasteland 2, the RPG series that pioneered the post-apocalyptic genre in video games returns with Wasteland 3.
- 6
The Riftbreaker
Single-player alternative to Cosmic Frontiers — playable solo, no multiplayer required. Shares Strategy and Adventure with Cosmic Frontiers.
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.
- 7
BAND OF BROTHERS
Single-player alternative to Cosmic Frontiers — playable solo, no multiplayer required. Shares Adventure with Cosmic Frontiers.
BAND OF BROTHERS is a fast-paced action shooter! Various maps, many types of weapons, different modes are waiting for you in which teams will come together in a battle for victory.
- 8
Queen's Wish 2: The Tormentor
Single-player alternative to Cosmic Frontiers — playable solo, no multiplayer required. Shares Strategy and Adventure with Cosmic Frontiers.
You are in a barbarian land. They are trying to kill you. The Queen demands you tame them. So what now? Escape into an exciting, open-ended story and cunning tactical combat. Epic, indie fantasy adventure. Freely explore a huge world, fight for fame and power, and shape the world as you choose.