Single-player games like Eternal Towers
Below are 8 single-player Steam games similar to Eternal Towers, 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 Eternal Towers page.
Ranked picks
- 1
TD VOID
Single-player alternative to Eternal Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Eternal Towers.
Defend humanity against a machine Void that turns Earth's own technology into a weapon. An alien nanocluster has reached Earth. It doesn't invade with soldiers. It infects factories, military vehicles, etc. Your mission is simple: Protect the Shield Core. Survive every assault. Stop the spread.
- 2
Cosmic Robots
Single-player alternative to Eternal Towers — playable solo, no multiplayer required. Shares Strategy with Eternal Towers.
Defend your planet from waves of robot invaders! Build powerful turrets, upgrade your defenses, and command robot units to fight drones, tanks, and massive bosses. Then send your own forces to attack the enemy planet in this action-packed sci-fi tower defense game.
- 3
Moongrave
Single-player alternative to Eternal Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Eternal Towers.
Moongrave is a roguelite tower defense. Rebuild your underground city, summon a crystal to the surface to repel hordes of monsters, erect turrets, cast powerful spells, and gather resources to strengthen your village and uncover the secrets of the fallen Moon.
- 4
Red Rocket Defencism
Single-player alternative to Eternal Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Eternal Towers.
You, a military officer from our great autocratic motherland, must protect our precious rockets from the evil capitalist enemy in this revolutionary base building strategy game. Bribe! Surveil! Purge! Imbibe! The end justifies the means when you have to protect our invaluable rockets!
- 5
FleetLord
Single-player alternative to Eternal Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Eternal Towers.
A space RTS about decisions, not menus. Conquer planets, link them to fuel your war machine, and level up your empire with randomized perk cards. Crush all opposition.
- 6
Fleetbreakers
Single-player alternative to Eternal Towers — playable solo, no multiplayer required. Shares Strategy with Eternal Towers.
From the creators of Halo Wars and Age of Empires, Fleetbreakers is an action RTS roguelite with satisfying fleet combat in bite-sized sessions. Strategic depth meets cataclysmic space battles in an ever-evolving campaign that keeps you coming back for just. One. More. Run.
- 7
Blood Moon: Last Stand
Single-player alternative to Eternal Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Eternal Towers.
‘Blood Moon: Last Stand’ is an action-strategy game set in Xianxia, blending wave defense, real-time control, and roguelike deck-building. Command up to three cultivators, forge unique builds, and withstand relentless hordes and bosses. Survive seven days to overturn fate.
- 8
D for Defender
Single-player alternative to Eternal Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Eternal Towers.
A Tower Defense with no respite, no waves, no end. Facing monsters that learn from your placements and adapt in real time to every one of your weaknesses, build and upgrade your defenses freely to create the perfect trap.