IMHO.

Single-player games like Undeadly

Below are 11 single-player Steam games similar to Undeadly, 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 Undeadly page.

Ranked picks

  1. 1
    Cyber Knights: Flashpoint — Steam game cover

    Cyber Knights: Flashpoint

    Single-player alternative to Undeadly — playable solo, no multiplayer required. Shares Action and Strategy with Undeadly.

    Cyberpunk mercenaries RPG! Turn-based squad tactics with unique heist-planning strategy. Build your crew wisely; their stories will become interwoven with your own. Pull off heists with powerful cyberware, faction connections, multiclassing, weapon modding, stealth, hacking, and more!

    2025ActionStrategyIndie29.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Phoenix Point — Steam game cover

    Phoenix Point

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

    The acclaimed strategy game from the creator of X-COM. Fight tactical battles on procedural maps against a foe that adapts to your tactics. Manage diplomacy and economy on a global scale. Research, explore, overcome. Now includes Steam Workshop support for mods!

    2020StrategyRPG24.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Skyshine's BEDLAM — Steam game cover

    Skyshine's BEDLAM

    Single-player alternative to Undeadly — playable solo, no multiplayer required. Shares Action and Strategy with Undeadly.

    BEDLAM is a strategic turn-based strategy game set in a post-apocalyptic wasteland. Now with more battle strategy!!

    2015ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Dice Gambit — Steam game cover

    Dice Gambit

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

    Shape and lead your own fully customisable (and debt-ridden) family of Inquisitors in charge of hunting the chromatic monsters infesting the city. Unlock unique abilities, hang out with eccentric nobles, learn the secrets the city holds while occasionally delivering ice cream!

    2025StrategyIndieRPG24.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Welcome to ParadiZe — Steam game cover

    Welcome to ParadiZe

    Single-player alternative to Undeadly — playable solo, no multiplayer required. Shares Action with Undeadly.

    Paradise isn't exactly what you hoped for: it's infested with zombies! Thankfully, you can control them. Capture them and teach them to farm or fight. They will help you defend our camp while you explore the world looking for… a new paradise.

    2024ActionAdventureRPG7.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    XCOM® 2 — Steam game cover

    XCOM® 2

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

    XCOM 2 is the sequel to XCOM: Enemy Unknown, the 2012 award-winning strategy game of the year. Earth has changed and is now under alien rule. Facing impossible odds you must rebuild XCOM, and ignite a global resistance to reclaim our world and save humanity.

    2016Strategy2.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Invisible, Inc. — Steam game cover

    Invisible, Inc.

    Single-player alternative to Undeadly — playable solo, no multiplayer required. Shares Action and Strategy with Undeadly.

    Take control of Invisible's agents in the field and infiltrate the world's most dangerous corporations. Stealth, precision, and teamwork are essential in high-stakes, high-profit missions, where every move may cost an agent their life.

    2015ActionStrategyIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    The Last Spell — Steam game cover

    The Last Spell

    Single-player alternative to Undeadly — playable solo, no multiplayer required. Shares Action and Strategy with Undeadly.

    Defend the last bastion of humanity with your squad of heroes! Exterminate fiendish monsters with magic and brute force by night and re-build your battered city defenses by day in this tactical RPG with rogue-lite mechanics.

    2023ActionStrategyIndie24.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Project Z — Steam game cover

    Project Z

    Single-player alternative to Undeadly — playable solo, no multiplayer required.

    After waking up in a zombie infested hospital you have no idea why you are there and how you got there and all you want is get out...

    2019IndieAdventureCasual4.99 USDSingle-playerSimilar games →
  10. 10
    The Bureau: XCOM Declassified — Steam game cover

    The Bureau: XCOM Declassified

    Single-player alternative to Undeadly — playable solo, no multiplayer required. Shares Action with Undeadly.

    The year is 1962 and the Cold War has the nation gripped by fear.  A top-secret government unit called The Bureau begins investigating a series of mysterious attacks by an enemy more powerful than communism.

    2013Action19.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    Zombies Ate My Neighbors and Ghoul Patrol — Steam game cover

    Zombies Ate My Neighbors and Ghoul Patrol

    Single-player alternative to Undeadly — playable solo, no multiplayer required. Shares Action with Undeadly.

    Enjoy 16-bit console gaming with the cult classic Zombies Ate My Neighbors and its sequel, Ghoul Patrol!

    2021ActionAdventure14.99 USDSingle-playerSimilar games →