Single-player games like Sol Survivor
Below are 12 single-player Steam games similar to Sol Survivor, 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 Sol Survivor page.
Ranked picks
- 1

Reforged TD - Tower Defense
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Strategy and Indie with Sol Survivor.
Single or multiplayer tower defense with high replay value. Build and upgrade towers, use special items and discover the extensive talent tree for your characters and towers. Ideal for strategists!
- 2

Satellite Reign
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Strategy and Indie with Sol Survivor.
Satellite Reign is a real-time, class-based strategy game, set in an open-world cyberpunk city. You command a group of 4 agents through rain-soaked, neon-lit streets, where the law is the will of mega-corporations.
- 3

Castle Story
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Strategy and Indie with Sol Survivor.
Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.
- 4

Multiwinia
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Indie with Sol Survivor.
Multiwinia is a fast-paced, retro-inspired RTS that blends arcade action with strategic depth. Command armies of Multiwinians in multiplayer battles across vibrant, nostalgic environments. With simple controls and dynamic gameplay, it offers endless fun and challenge for players of all skill levels.
- 5

DG2: Defense Grid 2
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Strategy and Indie with Sol Survivor.
Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.
- 6

Cosmoteer: Starship Architect & Commander
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Strategy with Sol Survivor.
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
- 7

Original War
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Strategy and Indie with Sol Survivor.
An American geological expedition, under a UN mandate, assesses the natural resources in a distant part of Siberia, deep in the trackless steppes of Eastern Russia. But instead of oil, they discover a deposit of a hitherto unknown mineral.
- 8

GearStorm - Armored Survival
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Strategy and Indie with Sol Survivor.
GearStorm - Armored Survival is a story-driven, open-world sci-fi survival adventure. Discover what led to the Phage, a deadly virus apocalypse and our escape to a alien world. Explore a vast alien planet, build your base, create your colony, acquire vehicles, weapons, and supplies to defend it.
- 9

Sanctum 2
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Strategy and Indie with Sol Survivor.
Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.
- 10

Orcs Must Die!
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Strategy and Indie with Sol Survivor.
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
- 11

Iron Brigade
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Strategy with Sol Survivor.
Join The Mobile Trench Brigade and protect humanity from the evil Monovision menace!
- 12

Retrovirus
Single-player alternative to Sol Survivor — playable solo, no multiplayer required. Shares Indie with Sol Survivor.
Retrovirus is a six degrees of freedom shooter which sends players into the depths of a computer on a search and destroy mission against an invasive virus. Retrovirus is being created by Cadenza Interactive, the indie studio behind the popular tower defense game Sol Survivor.