IMHO.

Single-player games like Duo Defenders - Tower Defense

Below are 8 single-player Steam games similar to Duo Defenders - 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 Duo Defenders - Tower Defense page.

Ranked picks

  1. 1
    Luminleaf Chronicles — Steam game cover

    Luminleaf Chronicles

    Single-player alternative to Duo Defenders - Tower Defense — playable solo, no multiplayer required. Shares Casual with Duo Defenders - Tower Defense.

    "Luminleaf Chronicles" is a local multiplayer game for 1 to 4 players that combines elements of survival, adventure, and roguelike genres. Acquire items, upgrade your skills, and defeat the continuously appearing bosses to survive tooth and nail in the game world, ultimately face the Skeleton King!

    2027ActionStrategyCasualSingle-playerSimilar games →
  2. 2
    Bloom Busters — Steam game cover

    Bloom Busters

    Single-player alternative to Duo Defenders - Tower Defense — playable solo, no multiplayer required. Shares Indie and Casual with Duo Defenders - Tower Defense.

    Bash & blast mutated creatures, restore infested gardens and defend the once-peaceful Bloomland in this frantic solo or local co-op action arcade game. Gather resources, grow flowers, feed animals, complete garden chores, and master handcrafted levels with adaptive difficulty.

    ActionIndieCasualSingle-playerSimilar games →
  3. 3
    Diner Bros Inc — Steam game cover

    Diner Bros Inc

    Single-player alternative to Duo Defenders - Tower Defense — playable solo, no multiplayer required. Shares Indie and Casual with Duo Defenders - Tower Defense.

    Join the Bros once again as they defend their precious restaurant! Co-operate or compete against your friends in this frantic party game for up to 4 players. Beat quick sequences of crazy minigames, fight a mysterious villain, and collect gems. Quickly! Before time runs out!

    2021IndieCasual4.99 USDSingle-playerSimilar games →
  4. 4
    Dad's Coming — Steam game cover

    Dad's Coming

    Single-player alternative to Duo Defenders - Tower Defense — playable solo, no multiplayer required. Shares Indie and Casual with Duo Defenders - Tower Defense.

    Chaotic, fast paced and co-op! Tidy up your mess before your dad comes back home! Help Kate and Bob cooperate to get objects across rooms to get rid of the mess in time! Careful not to break anything and beware of your cat Jack, who loves knocking things over!

    2025ActionIndieCasual13.99 USDSingle-playerSimilar games →
  5. 5
    Die, Pablo! - A tower defense adventure — Steam game cover

    Die, Pablo! - A tower defense adventure

    Single-player alternative to Duo Defenders - Tower Defense — playable solo, no multiplayer required. Shares Indie with Duo Defenders - Tower Defense.

    The world famous chef Louis is mad! He animates all sorts of inanimate objects to attack the restaurant critic Pablo for an alleged bad review of his restaurant. Luckily, Pablo likes playing tower defense games and knows exactly how to defend himself!

    2024ActionStrategyIndie2.99 USDSingle-playerSimilar games →
  6. 6
    Slap Showdown — Steam game cover

    Slap Showdown

    Single-player alternative to Duo Defenders - Tower Defense — playable solo, no multiplayer required. Shares Indie and Casual with Duo Defenders - Tower Defense.

    A chaotic physics-based party brawler set in the early 20th century! Slap your rivals, exploit interactive arenas, and send up to 8 players flying in ridiculous battles full of physics-driven mayhem.

    IndieCasualSingle-playerSimilar games →
  7. 7
    Tavernacle! — Steam game cover

    Tavernacle!

    Single-player alternative to Duo Defenders - Tower Defense — playable solo, no multiplayer required. Shares Indie with Duo Defenders - Tower Defense.

    Grab your hammers and start to craft in this co-op Tavern Defense for one to four players. As a team of Dwarves, you must gather supplies and build towers to protect your beloved brewery. Learn to cooperate to achieve victory in this chaotic multiplayer game!

    2023ActionStrategyIndie11.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    HYPERCHARGE: Unboxed — Steam game cover

    HYPERCHARGE: Unboxed

    Single-player alternative to Duo Defenders - Tower Defense — playable solo, no multiplayer required. Shares Indie with Duo Defenders - Tower Defense.

    Hypercharge is a first and third-person shooter action figure game you've always dreamed of! Grab your friends, complete objectives, defend the Hypercore against waves of weaponized toys, and defeat Major Evil together in the story campaign!

    2020ActionStrategyIndie24.99 USDDeck VerifiedSingle-playerSimilar games →