IMHO.

Single-player games like Unbroken K2

Below are 9 single-player Steam games similar to Unbroken K2, 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 Unbroken K2 page.

Ranked picks

  1. 1
    Bloody Knuckles Street Boxing — Steam game cover

    Bloody Knuckles Street Boxing

    Single-player alternative to Unbroken K2 — playable solo, no multiplayer required. Shares Action and Sports with Unbroken K2.

    The Sweet Science Meets The STREETS!

    2024ActionSportsStrategy14.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Pro Sports Boxing — Steam game cover

    Pro Sports Boxing

    Single-player alternative to Unbroken K2 — playable solo, no multiplayer required. Shares Action and Sports with Unbroken K2.

    It's fight time! Pro Sports Boxing brings the speed, the power and bone crunching action into the palm of your hands! A boxing game made for true boxing fans, simulating an authentic boxing experience.

    ActionSportsIndieSingle-playerSimilar games →
  3. 3
    3D PUZZLE - LAST OF CITY — Steam game cover

    3D PUZZLE - LAST OF CITY

    Single-player alternative to Unbroken K2 — playable solo, no multiplayer required. Shares Action and Sports with Unbroken K2.

    Collect a 3D puzzle, transferring things to the right places to create a beautiful house.

    2023ActionSportsStrategy199.99 USDSingle-playerSimilar games →
  4. 4
    Fight Life Legacy — Steam game cover

    Fight Life Legacy

    Single-player alternative to Unbroken K2 — playable solo, no multiplayer required. Shares Action and Sports with Unbroken K2.

    Rise through the MMA ranks in this turn-based fighting RPG. Train key stats, manage your career, and face ruthless rivals as you uncover the dark truth behind your father’s mysterious disappearance and fight to build your own legacy as a champion.

    ActionSportsStrategySingle-playerSimilar games →
  5. 5
    Cyber Volleyball — Steam game cover

    Cyber Volleyball

    Single-player alternative to Unbroken K2 — playable solo, no multiplayer required. Shares Action and Sports with Unbroken K2.

    Cyber Volleyball is a side-scrolling 2D volleyball game with realistic physics and character progression. Players serve, spike, block and dig under strict three-hit rules. It features over a dozen characters with unique AI skills, adventure mode, online multiplayer, and nine upgradeable attributes.

    ActionSportsStrategySingle-playerSimilar games →
  6. 6
    Unusual Ghost — Steam game cover

    Unusual Ghost

    Single-player alternative to Unbroken K2 — playable solo, no multiplayer required. Shares Action and Sports with Unbroken K2.

    When there is no one in the house, a ghost wakes up. He is looking for all the candles in the house to leave the owners without light. After all, when he scares them, they light candles and he has to hide again. Collect them all.

    2023ActionSportsStrategy0.49 USDSingle-playerSimilar games →
  7. 7
    Golden Gloves VR — Steam game cover

    Golden Gloves VR

    Single-player alternative to Unbroken K2 — playable solo, no multiplayer required. Shares Action and Sports with Unbroken K2.

    Golden Gloves VR Boxing Game (Officially Licensed)

    2026ActionSportsIndie19.99 USDSingle-playerSimilar games →
  8. 8
    ROOM FOOTBALL - Royale Lands — Steam game cover

    ROOM FOOTBALL - Royale Lands

    Single-player alternative to Unbroken K2 — playable solo, no multiplayer required. Shares Action and Sports with Unbroken K2.

    Puzzle, artillery, casual puzzle video game with realistic physics.

    2025ActionSportsStrategy199.99 USDSingle-playerSimilar games →
  9. 9
    Pak Sung Bo Wing Chun — Steam game cover

    Pak Sung Bo Wing Chun

    Single-player alternative to Unbroken K2 — playable solo, no multiplayer required. Shares Action and Sports with Unbroken K2.

    PSBLWC. is a Fighting Beat ’em up Style with a touch of a Brawler and Survival Game where you try to defeat Dr.Chaos and Colonel Mason. The Fighting Base is build on many Mix Martial Arts Style like Wing Chun most and Pak Sung Bo mix in an MMA , where you can Attack any Enemy from any Direction.

    2021ActionSportsIndie4.99 USDSingle-playerSimilar games →