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
Coverage
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy and Indie with Radiis.
A board game for two players similar to Othello and Ataxx. Cover the board with your pieces--or take over all of your opponent's.
- 4
Rails & Rivals
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy and Indie with Radiis.
Build your railroad empire in Rails & Rivals, a turn-based strategy board game. Lay tracks across hex terrain, deliver goods between cities, and manage your finances to stay ahead of the competition.
- 5
Sente
Single-player alternative to Radiis — playable solo, no multiplayer required. Shares Strategy and Indie with Radiis.
Sente is a strategic board game where every player moves at the same time. Your victory isn't about acting first, it's about thinking ahead. Inspired by the clarity of Chess and Go, with a wholly original ruleset and support for 1–6 players.
- 6
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?
- 7
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!
- 8
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.
- 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!