Checkmate

Checkmate - Play Online

Chess puzzles. 500 maps. 24 achievements. Checkmate strips the 8x8 board down to brutal sub-grids. 3x3. 2x5. 4x3. Every level is a kill box. You're Black. White king dies. Simple math.

How to Play Checkmate

The Goal: Deliver checkmate. Black versus White. King hunt on compressed boards. No stalemates. No draws. Just mate or restart. Standard chess rules apply with one twist: Black moves bottom to top, White moves top to bottom. Matters for pawns.

Core Mechanic: Click and Eliminate

Select your piece. Green outline appears. Drag to the kill square. Checkmate in 1 move puzzles? Speed run. Checkmate in 2 moves? Think sequence. Setup the trap. Execute. Every board forces a fresh approach. No Black king sometimes. Pure offense mode.

Progression: 250 Levels Per Tier

Start Easy. Clear 250 puzzles. Unlock Medium. Repeat. Earn Gold coins every solve. Counter ticks up top right. Spend coins in the Shop (cart icon). Stuck? Buy Hints (lightbulb icon bottom right). Burn currency. See the solution. Track progress: Easy 12/250. Grind unlocks 24 achievements. Trophy hunters paradise.

Strategy: Board Size Dictates Tactics

Ignore full-board thinking. Focus on the trap zone. Vertical 2x5 grids? Use Rooks for column domination. Horizontal 4x3 layouts? Corner the king with Knights. White king always exposed. Your material advantage is preset. Find the killing blow. Undo button exists. Use it. Reset costs nothing. Trial and error beats hesitation.

Key Features

• 500 Unique Maps: Non-standard grids. 3x3 death boxes. 2x5 vertical towers. 4x3 horizontal traps.
• Pixel-Perfect Minimalism: Low-fidelity sprites. Clean pixel art. Runs lag-free on any browser.
• 24 Achievements: Track mastery. Unlock trophies. Completionist endgame.
• Hint System: Stuck? Lightbulb reveals the path. Costs coins. Strategic safety net.

Who is Checkmate for?

Perfect for puzzle addicts and chess fans craving 1-2 minute brain fixes. Great for desk breaks. Mobile commutes. Desktop browsers. Anywhere logic burns fast.

Release Date & Developer

Checkmate was developed by sublevelgames. Released in March 2026.

Controls

• Mouse Click: Select piece
• Mouse Drag: Move piece
• Lightbulb Icon: Activate hint
• Undo Button: Reverse last move