Single-player games like Radiis
Below are 11 single-player Steam games similar to Radiis, 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 Radiis page.
Ranked picks
- 1
Empire at Risk
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy and Indie with Radiis.
Expand, conquer and dominate your rivals on dynamic hex maps. Capture regions, secure supply and adapt to every seed. Battle friends or AI in solo and multiplayer matches with up to 8 players and climb the leaderboard.
- 2
Hexteria
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy and Indie with Radiis.
Hexteria is a casual Turn-Based Strategy and Puzzle game. The concept is simple: each turn you rotate one tile on the hexagonal board, in order to take over your opponents' tiles. Play against your friends or the AI, or challenge yourself with the Single Player Campaign!
- 3
Fortune Avenue
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy and Indie with Radiis.
A competitive board game where players vote to shape their destiny. Transform caravans into 5-star hotels, collect wonders, and earn bounties for bankrupting opponents. Use airports to outmaneuver rivals, organize World Cups to multiply your rent. Can you turn your empire into a global monopoly?
- 4
Hex of Steel
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy and Indie with Radiis.
Hex of Steel is a refreshing WWII wargame covering all fronts featuring a certain amount of original mechanics. Fight in solo against finally a decent AI throughout Europe, Africa or the Pacific, or against a friend in the cross-platform PBEM or real time multiplayer. Coop is also an option!
- 5
Civil War: Battle of Petersburg
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy with Radiis.
Crush the Confederates near Petersburg and Richmond in 1864. Bring peace to a nation divided.
- 6
Revival: Recolonization
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy with Radiis.
Set in a post-apoc version of Earth, Revival is a 4x strategy game where the world and its rules can change at key moments, creating a deep and highly replayable experience.
- 7
SkyBoats
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy with Radiis.
Ahoy SkyBoat captains! Today is your chance to learn to sail the skies, take control of the winds and discover vast riches up in the clouds. Even better, as you improve your skill at the game, SkyBoats will use your evolving rank to consistently give you a satisfying strategic challenge.
- 8
The Conquest of Go
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy and Indie with Radiis.
Learn and play Go, the classic board game that has been played for thousands of years, and compete in the race to conquer the most land in the in-game world, or compete online against opponents around the real world.
- 9
Risk
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy with Radiis.
Draft! Attack! Fortify! Play the original game of strategy and world domination — now for your PC. Enjoy the classic look and fun of RISK in an exciting new interactive experience. Play two ways as you strategize over the map and set out to conquer the world.
- 10
Sid Meier's Civilization® V
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy with Radiis.
Create, discover, and download new player-created maps, scenarios, interfaces, and more!
- 11
Sid Meier's Civilization VII
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy with Radiis.
The award-winning strategy game franchise returns with a revolutionary new chapter. Sid Meier's Civilization® VII empowers you to build the greatest empire the world has ever known!