Linux Brain Games

These involve the mind in some way... I like to do Blinken and Gnomine.

Chess. These engines are way too hard for me.

1. Gnuchess
2. Crafty
   

Memory

1. Blinken

Quick Thinking

1. Gnomine
2. KSirtet
3. Tetravex
4. Gnome Sudoku

Uncategorized

1. gtans (Tangrams)
2. Code Breaker / Gnomermind (Mastermind clones)
3. Klotski/Gnome Klotski

Free Online

1. Happy Neuron free games
2. MyBrainTrainer has a test and one free puzzle every month
   

Commercial

1. The Amazing Brain Train (has a demo)