Single-player games like Bloons TD 6
Below are 16 single-player Steam games similar to Bloons TD 6, 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 Bloons TD 6 page.
Ranked picks
- 1
Plants vs. Zombies GOTY Edition
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.
- 2
Dungeon Defenders
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
Create a hero from one of four classes to save Etheria in this 4-player coop Tower Defense Action-RPG. Includes Steam exclusive Portal gun & TF2 familiars!
- 3
DG2: Defense Grid 2
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
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.
- 4
Kingdom Rush Origins - Tower Defense
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
Command your elven army and defend mystical lands from sea serpents, evil sorcerers, and wave after wave of gnoll tribesman, all with the help of brand-spankin’ new towers, heroes, and spells to fend off every last baddie.
- 5
Orcs Must Die! 2
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
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.
- 6
Mindustry
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
An open-ended factory management game with RTS and tower defense elements.
- 7
They Are Billions
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
- 8
Bloons TD 5
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
Five-star tower defense with unrivaled depth and replayability. The Bloons are back in full HD glory and this time they mean business! Build awesome towers, choose your favorite upgrades, hire new Special Agents, and pop every last invading Bloon in the most popular tower defense series in history.
- 9
RimWorld
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 10
Factorio
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.
- 11
SAS: Zombie Assault 4
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required.
Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.
- 12
Tower Keepers
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required.
Heroic strategy RPG with deep solo campaign and real-time head to head battles!
- 13
Bloons Adventure Time TD
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
Defend Ooo from the Bloon invasion in this epic tower defense crossover.
- 14
Countersnipe
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required.
Multiplayer Seek and Snipe
- 15
Bloons Monkey City
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
Create, upgrade, and customize your very own Bloons Monkey City in this groundbreaking blend of city building and tower defense awesomeness!
- 16
Ninja Kiwi Archive
Single-player alternative to Bloons TD 6 — playable solo, no multiplayer required. Shares Strategy with Bloons TD 6.
Enjoy some of the best loved Flash games of the past in this awesome time capsule of over 60 Ninja Kiwi classics. Experience a piece of history and play the original Flash games that spawned the worldwide phenomenon of Bloons TD.