IMHO.

Single-player games like Crossite II Definitive Edition

Below are 8 single-player Steam games similar to Crossite II Definitive Edition, 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 Crossite II Definitive Edition page.

Ranked picks

  1. 1
    Paper Flags — Steam game cover

    Paper Flags

    Single-player alternative to Crossite II Definitive Edition — playable solo, no multiplayer required. Shares Strategy and Indie with Crossite II Definitive Edition.

    A two-player abstract strategy game on a 9×9 board. Fold your pieces to advance diagonally. Unfold them into flags — moving like rooks across rank and file. Plant three flags on your opponent's back row, or cut their forces to three.

    2026StrategyIndieCasualSingle-playerSimilar games →
  2. 2
    Call of Toys: Tower Defense — Steam game cover

    Call of Toys: Tower Defense

    Single-player alternative to Crossite II Definitive Edition — playable solo, no multiplayer required. Shares Strategy and Indie with Crossite II Definitive Edition.

    Embark on an exhilarating journey to protect Santa's Valley in this epic Tower Defense game. Explore an arsenal of 13 unique towers, each equipped with magical spells and exclusive abilities. Customize your towers with numerous upgrades that enhance their strength and unlock new magical powers.

    2026StrategyIndieCasual7.99 USDSingle-playerSimilar games →
  3. 3
    Battlements — Steam game cover

    Battlements

    Single-player alternative to Crossite II Definitive Edition — playable solo, no multiplayer required. Shares Strategy and Indie with Crossite II Definitive Edition.

    Pirate ships, fortresses, and cannons! Battlements is an arcade reimagining of the "Rampart" classic. Defend the peaceful nation of Marinia from the dreaded Crimson Waves Empire - build walls, set up cannons, bombard the enemy! Control the fight with upgrades and special cards!

    2026ActionStrategyIndie4.24 USDSingle-playerSimilar games →
  4. 4
    Kingdom of Krawall — Steam game cover

    Kingdom of Krawall

    Single-player alternative to Crossite II Definitive Edition — playable solo, no multiplayer required. Shares Strategy and Indie with Crossite II Definitive Edition.

    A fast-paced strategy game about building a kingdom, outplaying your rivals, and conquering your enemies. Play solo or in multiplayer and enjoy the depth of a classic 4X in a single sitting.

    StrategyIndieSingle-playerSimilar games →
  5. 5
    Tank Tower Defense  坦克塔防 — Steam game cover

    Tank Tower Defense 坦克塔防

    Single-player alternative to Crossite II Definitive Edition — playable solo, no multiplayer required. Shares Strategy and Indie with Crossite II Definitive Edition.

    Tank Tower Defense is a casual tower defense indie game made by a solo developer after one year.Defend your base by building and upgrading various turrets to fend off waves of invading enemies. You can freely customize game difficulty, experience many unique challenging levels.

    2026StrategyIndieCasualSingle-playerSimilar games →
  6. 6
    General Chaos - MAJOR SNAFU — Steam game cover

    General Chaos - MAJOR SNAFU

    Single-player alternative to Crossite II Definitive Edition — playable solo, no multiplayer required. Shares Strategy with Crossite II Definitive Edition.

    "Currently, GENERAL CHAOS - MAJOR SNAFU is considerably more than halfway to the finish line! This time around, its a sprite-based, multiplayer PC Game that uses an Xbox-style Game Controller &/or Keyboard & Mouse .

    2027StrategySingle-playerSimilar games →
  7. 7
    Lines of Battle — Steam game cover

    Lines of Battle

    Single-player alternative to Crossite II Definitive Edition — playable solo, no multiplayer required. Shares Strategy and Indie with Crossite II Definitive Edition.

    Command armies in tactical battles with simultaneous turns during the Napoleonic Wars. Lead forces through single-player strategy campaigns, master formations and flanking tactics, then test your skills in competitive 1v1 and 4v4 battles.

    StrategyIndieCasualSingle-playerSimilar games →
  8. 8
    Warnet — Steam game cover

    Warnet

    Single-player alternative to Crossite II Definitive Edition — playable solo, no multiplayer required. Shares Strategy and Indie with Crossite II Definitive Edition.

    Outmaneuver, outbuild, outthink. In Warnet, the map is your ally and your enemy - master its properties, and you master victory.

    ActionStrategyIndieSingle-playerSimilar games →