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
    No Neutral Ground — Steam game cover

    No Neutral Ground

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

    Master magnetic polarity in a fast-paced, physics-driven robot party game for 1-8 players. Attract, repel, dash, and outmaneuver rivals across 20+ Mini Games, Magnetic Football, and a sprawling Scrap Raid. Customize your machine and claim the arena.

    2026ActionIndieCasualSingle-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
    Summon Stone — Steam game cover

    Summon Stone

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

    A fusion of puzzles and tower defense! Use puzzles to break summon stones and summon monsters corresponding to those stones. Switch between two decks to stack and destroy summon stones, then summon monsters. Summon powerful monsters with massive chain reactions and overwhelm your enemies.

    2026IndieCasual3.18 USDSingle-playerSimilar games →
  6. 6
    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.

    2026StrategyIndieCasual2.99 USDSingle-playerSimilar games →
  7. 7
    WarSlice — Steam game cover

    WarSlice

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

    WarSlice is a military turn-based tactics game where you take command of an army as a Commanding Officer. Secure properties, produce powerful units, and outmaneuver your enemies in tactical grid-based battles.

    StrategyIndieSingle-playerSimilar games →
  8. 8
    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 →