IMHO.

Single-player games like Math Defense Protocol

Below are 8 single-player Steam games similar to Math Defense Protocol, 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 Math Defense Protocol page.

Ranked picks

  1. 1
    Null and Void — Steam game cover

    Null and Void

    Single-player alternative to Math Defense Protocol — playable solo, no multiplayer required. Shares Strategy with Math Defense Protocol.

    Null and Void is a darkly satirical blend of roguelike, deckbuilding and tower-defence genres. Set in a retrofuturist scifi future, this is a game about doing a terrible job, very well.

    2026StrategyEarly Access7.00 USDSingle-playerSimilar games →
  2. 2
    Business Defence — Steam game cover

    Business Defence

    Single-player alternative to Math Defense Protocol — playable solo, no multiplayer required. Shares Strategy and Casual with Math Defense Protocol.

    A forced perspective, business themed tower defence game where the player deploys corporate towers to hold back waves of protestors. Demolish special towers to adjust enemy stats and affect the score multiplier. Play through the story to find out if BBB learns anything along the way.

    2026ActionStrategyIndie7.19 USDSingle-playerSimilar games →
  3. 3
    Gear Clash: Hero Unite — Steam game cover

    Gear Clash: Hero Unite

    Single-player alternative to Math Defense Protocol — playable solo, no multiplayer required. Shares RPG with Math Defense Protocol.

    Assemble your hero squad for fast-paced tactical showdowns—victory is forged one gear at a time. Slot gears into your panel to trigger powerful effects each rotation: summon heroes or launch deadly weapons. Build your engine and craft game-breaking synergies. Watch your gears tear through monsters.

    2026IndieRPG1.99 USDSingle-playerSimilar games →
  4. 4
    Chronoform — Steam game cover

    Chronoform

    Single-player alternative to Math Defense Protocol — playable solo, no multiplayer required. Shares Strategy and Casual with Math Defense Protocol.

    A sci-fi precision puzzle-platformer where every death becomes a tool. Replay ghost echoes of your past runs to manipulate machinery, solve intricate timing puzzles, and escape a deadly research facility.

    2026StrategyIndieAdventureSingle-playerSimilar games →
  5. 5
    Cybersquare Madness — Steam game cover

    Cybersquare Madness

    Single-player alternative to Math Defense Protocol — playable solo, no multiplayer required. Shares Strategy and Casual with Math Defense Protocol.

    Immerse in this cyberpunk fun strategic tower defence, with multitudes of strategic diversity, while encountering boss fight, and fighting for you glory to cubic perfection.

    2026ActionStrategyIndie5.39 USDSingle-playerSimilar games →
  6. 6
    Dotu — Steam game cover

    Dotu

    Single-player alternative to Math Defense Protocol — playable solo, no multiplayer required. Shares Strategy and Casual with Math Defense Protocol.

    Whether you’re a math enthusiast, a puzzle fanatic or just looking for a fun challenge, Dotu will keep you entertained for hours with its challenging puzzles! Are you ready to become a dot-solving mastermind?

    2025StrategyIndieCasual4.01 USDSingle-playerSimilar games →
  7. 7
    beVaiR — Steam game cover

    beVaiR

    Single-player alternative to Math Defense Protocol — playable solo, no multiplayer required. Shares Strategy and Casual with Math Defense Protocol.

    beVaiR is a unique combination of story and immersive VR strategy game. Become a neurohacker and modify the living network through strategic actions: collect energy, convert it according to your demands and shoot it at the nodes. Help your faction dominate!

    2021ActionStrategyIndie29.99 USDSingle-playerSimilar games →
  8. 8
    Cyber Tower — Steam game cover

    Cyber Tower

    Single-player alternative to Math Defense Protocol — playable solo, no multiplayer required. Shares Strategy and Casual with Math Defense Protocol.

    Tricky maps, insane waves. Once you master the path, enemies are nothing.

    2023StrategyIndieCasual2.99 USDSingle-playerSimilar games →