nLinebright is a great game for people who want to improve their mental skills and have fun at the same time. The puzzles in Linebright are challenging but not impossible, so you can always feel like you're making progress. Even if you don't finish a level, you'll still learn something from it. And if you do finish a level, you'll be feeling pretty smug!"
1) Press WSAD Keys to move the line 2) Solve puzzle and avoid obstacles 3) Collect crystal to complete