Single-player games like Cyndefense 2
Below are 8 single-player Steam games similar to Cyndefense 2, 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 Cyndefense 2 page.
Ranked picks
- 1

Defense of Wancotte
Single-player alternative to Cyndefense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Cyndefense 2.
Build your own towers from modular units, adapt mid battle, and master custom defenses in this Build-a-Tower Defense.
- 2

Iron Guard
Single-player alternative to Cyndefense 2 — playable solo, no multiplayer required. Shares Strategy and Casual with Cyndefense 2.
A bite-sized pixel art tower defense game.
- 3

Sears: The Sky Frontier
Single-player alternative to Cyndefense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Cyndefense 2.
Sears: The Sky Frontier is a beautiful and epic real-time strategy game that puts you at the head of an army of little stone men against formidable invaders, smartly planning the battle and leading the defense in unique and atmospheric locations.
- 4

This is My Dungeon
Single-player alternative to Cyndefense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Cyndefense 2.
You are the Dungeon Master. Manage the dungeon, direct the monsters and fight off intruders who try to destroy the dungeon core!
- 5

Close The Straits!
Single-player alternative to Cyndefense 2 — playable solo, no multiplayer required. Shares Indie and Simulation with Cyndefense 2.
You're an underpaid naval officer juggling a paranoid Supreme Leader's daily ship blacklists, President Orange's unhinged tweets, and ridiculous family's "non-negotiable" demands. Blow up the wrong tanker? Congratulations, you've started an international incident. Again.
- 6

CreepWars TD
Single-player alternative to Cyndefense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Cyndefense 2.
Summon units in to defend key positions. Defeat waves of creeps to earn gold to upgrade your defenders. Adjust your defense to the enemies’ armor type by choosing the right type of damage. Select different upgrade paths and be aware that some creeps have special abilities.
- 7

ChingMing
Single-player alternative to Cyndefense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Cyndefense 2.
As a Taoist from the Heavenly Master's Mansion, you will come down the mountain to experience various demons and monsters on this land. You need to personally build a camp, search for food, establish defenses, and do everything you can to survive.
- 8

Save Our Queen
Single-player alternative to Cyndefense 2 — playable solo, no multiplayer required. Shares Strategy and Indie with Cyndefense 2.
A incremental clicker game where you defeat monsters and protect the Queen's Tower.