IMHO.

Single-player games like Prime World: Defenders

Below are 22 single-player Steam games similar to Prime World: Defenders, 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 Prime World: Defenders page.

Ranked picks

  1. 1
    Monster Battle Quest — Steam game cover

    Monster Battle Quest

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    Recruit and evolve the perfect monster team to destroy opposing enemy. Defeat enemy monsters to earn gold, increase your strength, and dominate the monster world.

    2021ActionStrategyIndie1.99 USDSingle-playerSimilar games →
  2. 2
    Miryam: The Polluted Land — Steam game cover

    Miryam: The Polluted Land

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    A narrative-driven tower defense game that plunges you into a cursed realm. Guide a 10-year-old girl, scarred by relentless school bullying and family neglect, as she battles monstrous embodiments of her inner torment in a desperate quest to recover her lost brother—and ultimately, herself.

    2025StrategyIndieAdventure4.99 USDSingle-playerSimilar games →
  3. 3
    Tales of Valoris: Swallow's Defenders — Steam game cover

    Tales of Valoris: Swallow's Defenders

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    Swallow’s Keep is a place of great prosperity; however, not all lands share in its wealth, and it has caught the eye of ambitious adversaries. Can you defend your home against the bandits?

    2025ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  4. 4
    Unpredictable Star — Steam game cover

    Unpredictable Star

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    Unpredictable Star is a strategy adventure game. Players need to protect their base in the unpredictable star domain, manage the cafe inside the base, recruit new partners, explore and battle.

    2025StrategyIndieRPG8.99 USDSingle-playerSimilar games →
  5. 5
    Prime World: Defenders 2 — Steam game cover

    Prime World: Defenders 2

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy with Prime World: Defenders.

    Defenders 2, - an exciting hybrid of Tower Defense and CCG, - is now available on Steam! Challenge endless hordes of monsters: build an impassable defense on their path and protect your mines. Collect all the unique towers and prove that even a tornado is not an obstacle for you.

    2018StrategyMassively MultiplayerFree To PlayFreeDeck PlayableSingle-playerSimilar games →
  6. 6
    Etherlords II — Steam game cover

    Etherlords II

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    The saga continues! Etherlords II takes you back to the world of Ether and into a whole new realm of fantastic possibilities. Lead your hero on an unforgettable journey through lands filled with unsurpassed beauty and danger to unlock the ultimate mystery.

    2014StrategyIndieAdventure4.99 USDSingle-playerSimilar games →
  7. 7
    EF Universe: Reclaiming the World — Steam game cover

    EF Universe: Reclaiming the World

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    An idle game with a collectible card theme. Open booster packs, collect cards, build an elaborate stat chain, manage 6 different currencies, battle your way across 9 different regions, and reclaim the world!

    2019StrategyIndieRPG4.99 USDSingle-playerSimilar games →
  8. 8
    Affogato — Steam game cover

    Affogato

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    Affogato is a RPG featuring a unique 'reverse tower defense' mechanic. Play as a sorceress managing a café in Arorua. Meet customers from all walks of life, hear their stories and travel into their minds to help them defeat their inner demons. Experience a city life that exudes magic and excitement.

    2023StrategyIndieAdventure16.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Revenge of the Titans — Steam game cover

    Revenge of the Titans

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    The ultimate mash-up of Real-time Strategy and Tower Defense!

    2011ActionStrategyIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    Magic: The Gathering - Duels of the Planeswalkers 2013 — Steam game cover

    Magic: The Gathering - Duels of the Planeswalkers 2013

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy with Prime World: Defenders.

    Play with friends or AI as you travel across fantastic planes to take on new encounters & opponents. Magic 2013 features ten customizable decks, individual records, new items & more!

    2012StrategySingle-playerSimilar games →
  11. 11
    Orcs Must Die! — Steam game cover

    Orcs Must Die!

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.

    2011ActionStrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Orcs Must Die! 2 — Steam game cover

    Orcs Must Die! 2

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    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.

    2012ActionStrategyIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  13. 13
    Space Run — Steam game cover

    Space Run

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!

    2014StrategyIndie4.99 USDSingle-playerSimilar games →
  14. 14
    X-Morph: Defense — Steam game cover

    X-Morph: Defense

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.

    2017ActionStrategyIndie3.99 USDDeck PlayableSingle-playerSimilar games →
  15. 15
    Warstone TD — Steam game cover

    Warstone TD

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and Indie with Prime World: Defenders.

    Warstone is a Tower Defense game, with RPG, Strategy, and even city building elements. Detailed Hi-res graphics and beautiful illustrations combine with a deep storyline to draw you into the world.

    2018StrategyIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  16. 16
    Blitzkrieg 3 — Steam game cover

    Blitzkrieg 3

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy with Prime World: Defenders.

    Blitzkrieg 3 is a WW2 RTS made for true admirers of strategic mastery! Challenge your tactical skills in historical campaigns and defeat powerful Neural Network AI in competitive matches.

    2017Strategy9.99 USDSingle-playerSimilar games →
  17. 17
    Heroes of Might & Magic V — Steam game cover

    Heroes of Might & Magic V

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy with Prime World: Defenders.

    Witness the amazing evolution of the genre-defining strategy game as it becomes a next-generation phenomenon, melding classic deep fantasy with next-generation visuals and gameplay. In the renowned Might & Magic universe, demon swarms spread chaos over the land in a relentless assault.

    2008Strategy9.99 USDSingle-playerSimilar games →
  18. 18
    Heroes of Might & Magic V: Tribes of the East — Steam game cover

    Heroes of Might & Magic V: Tribes of the East

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy with Prime World: Defenders.

    For the first time, play as the Orc faction and recruit heroes, build armies and manage cities as you explore and conquer legendary lands. Use tactics, skills and magic to outsmart fantasy armies while developing your heroes and unveiling the dark plot that threatens to tear the world of Ashan apart.

    2008Strategy9.99 USDSingle-playerSimilar games →
  19. 19
    Blitzkrieg Anthology — Steam game cover

    Blitzkrieg Anthology

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy with Prime World: Defenders.

    March into the real-time strategy legend, Blitzkrieg, and prepare for war. This legendary WWII RTS blends unprecedented realism and accuracy to form immersive 3D backgrounds and a game where brute force often takes a back seat to strategy and wits.

    2014Strategy4.99 USDSingle-playerSimilar games →
  20. 20
    Blitzkrieg 2 Anthology — Steam game cover

    Blitzkrieg 2 Anthology

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy with Prime World: Defenders.

    Return to the bloody battlefields of World War II in this epic sequel. Blitzkrieg 2 returns you to the gritty realism of WWII battles while pushing your focus into new, strategic opportunities during global war!

    2014Strategy4.99 USDSingle-playerSimilar games →
  21. 21
    Silent Storm Gold Edition — Steam game cover

    Silent Storm Gold Edition

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy and RPG with Prime World: Defenders.

    Silent Storm from leading Russian developer Nival is a true 3D tactical turn-based Role-Playing-Game set against the backdrop of WWII. As the conflict rages on the frontlines, you’ll be leading a small multinational squad behind enemy lines to gather information and wreak havoc on your enemies while trying to thwart a mysterious new...

    2013ActionStrategyRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  22. 22
    Heroes of Might & Magic V: Hammers of Fate — Steam game cover

    Heroes of Might & Magic V: Hammers of Fate

    Single-player alternative to Prime World: Defenders — playable solo, no multiplayer required. Shares Strategy with Prime World: Defenders.

    Take part in a thrilling new adventure in the world of Ashan with the Hammers of Fate expansion. Discover uncharted territories and experience new ways of playing Heroes of Might & Magic V. Introducing a brand-new Dwarves faction, made up of heroic warriors and rune magic adepts who stalk the deepest mountains and most hostile regions of...

    2008Strategy9.99 USDSingle-playerSimilar games →