Checkmate Defence

The Strategy of Upgrades, the Thrill of Defence
Your choices—and your luck—will decide the battle.

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“Checkmate Defence” is a strategic auto-battle tower defence game.Summon and merge turrets from 1★ to 6★ to stop relentless enemy waves.During combat, every decision—merging, selling, positioning, and upgrading—becomes a decisive move that reshapes the battlefield.

• Player MovementMove using WASD or the Arrow Keys (↑ ← ↓ →).

• Turret SummoningPress Q to summon a turret.※ Higher-rarity turrets have increased summon chances based on the player’s Luck.

• Turret MergingPress E to merge turrets.※ 1★–5★ Turrets: Merge two identical turrets to obtain a random turret of the next tier.※ 6★ Turrets: Spend 200 coins and select two 5★ turrets from the recipe to summon a 6★ turret.

• Turret SellingPress R to sell a turret.※ 6★ turrets cannot be sold.

• Turret PlacementPress Z to pick up a turret, and X to place it.

• MinesApproach a mine and press the number keys (1–5) to assign a turret to it.

• In-Game UpgradesObtain higher-rarity upgrades based on the player’s Luck during a run.

• Lobby UpgradesEarn resources by clearing Boss Waves and unlock various upgrades in the Lobby.

• CollectionTurrets discovered through summoning and merging are unlocked in the Collection, where you can view their details.On a battlefield of chaos where Solterian, Nethral, Elynsha, and Fenrok—four races—fight together,
  the player stands as the King, commanding the final line of defence.Now, prove your choices and your luck in Checkmate Defence.