DropFour
Serious training for four-in-a-row
Ranked play, tactical puzzles, structured lessons, and post-game engine review — including a perfect-play bot for players who want the real test.
Free to play · No download required
Real-time multiplayer
Ranked and casual matchmaking with reconnect support if you drop mid-game.
Tactical puzzles
Daily puzzles and a growing library — forks, blocks, and forced wins.
Game review
Move-by-move accuracy and blunder detection after every game.
Lessons & openings
Beginner to advanced paths with a recommended route for your level.
Play vs bot
Five difficulties, including Perfect (solver) and Human-like play.
Cosmetics
Board themes and piece styles — including a colorblind-friendly palette.
Built for competitive players
Chess and puzzle fans who want a faster brain game, casual strategists, and the bar-league crowd who already know the drop — adults training seriously on one platform.
Get the app
Android internal beta on Google Play. Same account syncs with the website. iOS later.