Single-player games like Unstoppable Gorg
Below are 16 single-player Steam games similar to Unstoppable Gorg, 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 Unstoppable Gorg page.
Ranked picks
- 1
DG2: Defense Grid 2
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Strategy and Indie with Unstoppable Gorg.
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.
- 2
Tep The Destroyer TD
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Strategy and Indie with Unstoppable Gorg.
TEP the destroyer is a single player tower defense game where you will face alien monsters and ships in ground and space battles! Your strategy will decide the fate of your people in a sci-fi environment of varying difficulties!
- 3
Anomaly: Warzone Earth
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Action and Strategy with Unstoppable Gorg.
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
- 4
Defense Grid: The Awakening
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Strategy and Indie with Unstoppable Gorg.
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
- 5
CARNAGE OFFERING Tower Defense
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Action and Strategy with Unstoppable Gorg.
The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity!
- 6
Alien Hallway
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Action and Strategy with Unstoppable Gorg.
Players measure stamina with a never-ending stream of green creatures within the borders of a special military mission.
- 7
Super Sanctum TD
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Strategy and Indie with Unstoppable Gorg.
Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!
- 8
iBomber Defense Pacific
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Strategy and Indie with Unstoppable Gorg.
iBomber moves to the Pacific as you fight a whole new enemy across the Pacific rim to regain freedom.
- 9
Orcs Must Die!
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Action and Strategy with Unstoppable Gorg.
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.
- 10
Revenge of the Titans
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Action and Strategy with Unstoppable Gorg.
The ultimate mash-up of Real-time Strategy and Tower Defense!
- 11
Orcs Must Die! 2
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Action and Strategy with Unstoppable Gorg.
You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment.
- 12
Prime World: Defenders
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Strategy and Indie with Unstoppable Gorg.
Fight off hordes of monstrous mutants created from a strange cataclysmic event in the new tower defense game, Prime World: Defenders. Join a group of exile treasure hunters who have ventured into the capital of an ancient empire, vast with mystery and danger.
- 13
X-Morph: Defense
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Action and Strategy with Unstoppable Gorg.
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.
- 14
Stack Defense
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Action and Strategy with Unstoppable Gorg.
Play this VR game with friends and others. Protect your stack and destroy the blocks of your opponents. Win the game by having the biggest stack at the end of the round. Search for games or host your own. Full Crossplay support! Play on PCVR against Quest 1/2 Players.
- 15
Orcs Must Die! 3
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Action and Strategy with Unstoppable Gorg.
Slice, burn, toss, zap, grind and gib massive hordes of repugnant orcs in this long-awaited successor to the award-winning Orcs Must Die! series.
- 16
Shattered Horizon
Single-player alternative to Unstoppable Gorg — playable solo, no multiplayer required. Shares Action and Indie with Unstoppable Gorg.
Experience zero gravity space combat in this innovative FPS. Now includes the Last Stand pack: play all game modes in single player with bots.