Most Popular Brain Games

These are the most-played games on the site, ranked by popularity. Word games and mahjong consistently top the list, with solitaire and multiplayer board games close behind. Everything here is free to play with no login. For the complete collection organized by cognitive skill, see the full games directory or browse the category hubs below.

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Browse by Category

Each category hub explains what cognitive skills that game type exercises and includes research on why it matters.

Board Games • Card & Tile Games • Checkers • Concentration Games • Math Games • Mahjong • Memory Games • Multiplayer Games • Puzzle Games • Solitaire • Sudoku • Tetris • Time Management • Typing Games • Word Games • Bubble Shooters

For printable puzzles you can solve on paper, see the Printable Puzzles collection (Sudoku, Kakuro, Futoshiki, Slitherlink, Word Search, Crosswords, and more).

To learn how different game types target different cognitive skills, see the Brain Games guide.

Published: 10/04/2013
Last Updated: 03/10/2026