IMHO.

Single-player games like Contingency Plan

Below are 8 single-player Steam games similar to Contingency Plan, 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 Contingency Plan page.

Ranked picks

  1. 1
    Zombie Warz — Steam game cover

    Zombie Warz

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

    Zombie Warz is a strategy survivor RTS with rogue-lite gameplay elements. Play as the king of a kingdom under siege by zombies and survive to discover their origins.

    ActionStrategyIndieSingle-playerSimilar games →
  2. 2
    Deadhold — Steam game cover

    Deadhold

    Single-player alternative to Contingency Plan — playable solo, no multiplayer required. Shares Strategy and Indie with Contingency Plan.

    Deadhold is a roguelite zombie survival/strategy game where your choices impact who lives and who dies. Rescue survivors, scavenge resources, fortify your base, and protect your community against stress, infection, and zombies! Can you find a sense of normalcy in this cruel new world?

    2026StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    Zombie Apocalypse - The Last Fortress — Steam game cover

    Zombie Apocalypse - The Last Fortress

    Single-player alternative to Contingency Plan — playable solo, no multiplayer required. Shares Strategy and Indie with Contingency Plan.

    Defend your base against hordes of zombies while using a variety of weapons, vehicles, explosives, soldiers and turrets in this survival tower defense game. Will you be able to create your own strategy and survive for 30 days?

    2023StrategyIndieCasual0.99 USDSingle-playerSimilar games →
  4. 4
    Endzone Girls — Steam game cover

    Endzone Girls

    Single-player alternative to Contingency Plan — playable solo, no multiplayer required. Shares Strategy and Indie with Contingency Plan.

    《Endzone Girls》is a Tower Defense Game. You will collect resources and build fortifications before the zombies arrive to kill the zombies that invade your home. In the game, you will unlock different defensive buildings, create a unique style, defend your home in a world full of zombies.

    2025StrategyIndieSimulation7.99 USDSingle-playerSimilar games →
  5. 5
    Zombie Apocalypse - The Last Defense — Steam game cover

    Zombie Apocalypse - The Last Defense

    Single-player alternative to Contingency Plan — playable solo, no multiplayer required. Shares Strategy and Indie with Contingency Plan.

    Create your own strategies, tactics and manage your resources in this survival tower defense game. Buy weapons, vehicles, explosives, soldiers, turrets and battle against huge waves of zombies. Can you survive for 25 days?

    2022StrategyIndieCasual0.99 USDSingle-playerSimilar games →
  6. 6
    Tawger Defense — Steam game cover

    Tawger Defense

    Single-player alternative to Contingency Plan — playable solo, no multiplayer required. Shares Action and Indie with Contingency Plan.

    Like all Cargo Keepers before you, you have to defend your Tawger! Build and maintain the trains defenses as it travels between checkpoints in this moving base-defense roguelike. Discover unique combinations of Bulbs and Cannons to find the perfect balance between destruction and maintanance.

    2026ActionIndieAdventureSingle-playerSimilar games →
  7. 7
    Night Mass — Steam game cover

    Night Mass

    Single-player alternative to Contingency Plan — playable solo, no multiplayer required. Shares Action and Indie with Contingency Plan.

    You’re a Priest defending your Church from the horrors that come each night. Gather resources, explore the forest, and build your defenses while the sun is still shining. When darkness falls, stand your ground, survive until dawn, and let the Night Mass begin!

    2027ActionIndieAdventureSingle-playerSimilar games →
  8. 8
    Don’t Touch My Potato! — Steam game cover

    Don’t Touch My Potato!

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

    Grow your farm by day, build your defenses in the evening, and protect the Potatron from zombie and alien attacks at night.

    2027ActionStrategyIndieSingle-playerSimilar games →