Single-player games like Transistor Defense
Below are 8 single-player Steam games similar to Transistor 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 Transistor Defense page.
Ranked picks
- 1
Drop Order
Single-player alternative to Transistor Defense — playable solo, no multiplayer required. Shares Action and Strategy with Transistor Defense.
Drop Order is a dark sci-fi tactical tower defense where every turret placement shapes both your firepower and the enemy's route. Build synergistic defenses, create deadly mazes, and survive alien hordes with cards and hands-on drone combat.
- 2
Zero Bugs Given
Single-player alternative to Transistor Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Transistor Defense.
Zero Bugs Given is a tower defense / roguelike game designed with the ambition of making every run different from the others. Every wave, a pair of bonus and malus will force you to adapt in the best way you can. Build your defense and try survive as long as you can!
- 3
City Defense Z
Single-player alternative to Transistor Defense — playable solo, no multiplayer required. Shares Action and Strategy with Transistor Defense.
City Defense Z combines base-building and base defense in a roguelite progression loop. Build by day, defend by night, and face a growing zombie threat. Every defeat unlocks permanent upgrades, helping you rebuild smarter and push further each time. See how many days you can last.
- 4
Dungeon Crafter
Single-player alternative to Transistor Defense — playable solo, no multiplayer required. Shares Action and Strategy with Transistor Defense.
Build a deadly dungeon, combine monsters, traps, effects, and special items, and stop the intruder before he reaches the end. A turn-based rogue-like strategy game where you are the Dungeon Master.
- 5
Tower Lab
Single-player alternative to Transistor Defense — playable solo, no multiplayer required. Shares Action and Strategy with Transistor Defense.
Enemies have no health, push them off instead. Weaponize physics in this roguelite tower defense game. Draft a deck, chain towers into living contraptions, grow and shrink every projectile, and launch hordes of robots off the edge.
- 6
A Roguelike Tower Defense
Single-player alternative to Transistor Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Transistor Defense.
Build a unique defense every run in this roguelike tower defense. Choose a hero, discover new towers, collect upgrade cards, and create powerful synergies to overcome increasingly difficult enemies and bosses.
- 7
城市塔防-City Tower Defence
Single-player alternative to Transistor Defense — playable solo, no multiplayer required. Shares Action and Strategy with Transistor Defense.
Help defend Shanghai from an invasion of snowmen! Build and upgrade towers across a battlefield that changes every run, shape your strategy with powerful cards and between-wave rewards, and survive escalating waves and boss encounters in this roguelite tower defense.
- 8
Purification Front (Task Force Purge)
Single-player alternative to Transistor Defense — playable solo, no multiplayer required. Shares Action and Strategy with Transistor Defense.
Purification Frontline is a post-apocalyptic roguelite bullet-hell action shooter. Build your squad, switch characters in battle, collect relics, and carve your way through branching tower runs with fast-paced combat and explosive firepower.