Single-player games like Endless Void: Idle Tower Defense
Below are 8 single-player Steam games similar to Endless Void: Idle Tower Defense, 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 Endless Void: Idle Tower Defense page.
Ranked picks
- 1
Sphere TD
Single-player alternative to Endless Void: Idle Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Endless Void: Idle Tower Defense.
Spheres are invading Earth-25. Build your towers and mod your projectiles — split it, add it, bounce it, chain it, multiply it! A true 1 tower = 1,000,000+ builds. Min-max tower, craft mods, pick ModCards, fly drones, mine ores, idle and enjoy the music, the choice is yours.
- 2
Pulslink
Single-player alternative to Endless Void: Idle Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Endless Void: Idle Tower Defense.
In the war against the Skynet, humanity was pushed to the brink. Until flesh and weapons were fused as the ultimate countermeasure. Link pulse-emitting cores to weapons, activate fusion modules, and unleash endless bullet storms against overwhelming enemy hordes.
- 3
Altarnode: Roguelite Cult Colony
Single-player alternative to Endless Void: Idle Tower Defense — playable solo, no multiplayer required. Shares Strategy and Casual with Endless Void: Idle Tower Defense.
Play as an evil god in this 2D top-down survival colony-defense roguelite. Defend your cult, satisfy your altar’s growing hunger for Meat sacrifice. Kill, harvest, process meat, optimize production, and survive as long as you can.
- 4
Bermuda Bastion
Single-player alternative to Endless Void: Idle Tower Defense — playable solo, no multiplayer required. Shares Strategy with Endless Void: Idle Tower Defense.
Survive 33 days in the heart of the Bermuda Triangle! Build triangular structures to defend against malevolent squares, pentagons, and other geometric monsters. In this chaotic city-builder roguelike, every mistake pulls your Bastion closer to the depths.
- 5
Factorwave
Single-player alternative to Endless Void: Idle Tower Defense — playable solo, no multiplayer required. Shares Indie with Endless Void: Idle Tower Defense.
Fast-paced factory builder with combat and territorial logistics. Automate production, unlock powerful Sector Hub bonuses, defend your infrastructure, and expand across a hostile planet.
- 6
Rogue Realm: Guardian Grids
Single-player alternative to Endless Void: Idle Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Endless Void: Idle Tower Defense.
Rogue Realm: Guardian Grids is a medieval fantasy blend of tower defense and roguelike progression. Build defenses on a grid, manage resources, and survive ever-evolving enemies.
- 7
Frostliner
Single-player alternative to Endless Void: Idle Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Endless Void: Idle Tower Defense.
The moon shattered. The world froze. Take command of a nomadic train city hurtling through a war-ravaged frozen wasteland. In this survival city builder on rails, gather survivors, scavenge resources, and do whatever it takes to keep the engine running and stay ahead of the frost.
- 8
Pax Autocratica
Single-player alternative to Endless Void: Idle Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Endless Void: Idle Tower Defense.
Build a grand totalitarian colony then personally storm roguelite battlefields with your soldiers. Shape citizens fears, loyalties, bonds, and feuds. Capture enemies, convert them into true believers. Sacrifice the weak. Feed the strong. Wield absolute power and make every life bend to your will.