Simple rules, deep strategy
Learn how to capture and flip discs while reading the flow of the board.
Gem Room Reversi
Gem Room
Reversi
One move changes the picture
As black turns to white, a strategy for the whole board begins.
Explore the details ↓GEM ROOM / REVERSI
ABOUT THIS LITTLE WORLD
One move changes the picture.
Start with the simple rule of surrounding and flipping discs, then discover the deeper strategy of corners and space. Move between matches and puzzles to enjoy reversi's changing fortunes.
Learn by taking on a challenge
Check your decisions with computer matches, challenges and hints.
Your own Gem Room
Build your style and experience through board customization and player records.
KEEP EXPLORING
More worlds to discover.
THE ART OF YOUR NEXT MOVEGEM ROOM / CHECKERS
Gem Room Checkers
Gem Room · Checkers
Clear, satisfying strategy built on diagonal moves and chain jumps.
GEM ROOM / GOMOKU
Gem Room Gomoku & Connect Four
Gem Room · Gomoku & Connect Four
Five in a row in gomoku, four in Connect Four, together in one place.