Lunar lockout


Lunar lockout is a sliding puzzle, featured by Hiroshi Yamamoto and for the first time presented as a prototype by Nob Yoshigahara in 1989. It is being marketed by ThinkFun. The game

In a 5 to 5 grid there are some spacecraft including one with you. You must see in the middle. For this you can let the spacecraft fly horizontally or vertically across the board, but they only stop if they collide with another spacecraft.

At the game table there are forty cards with puzzles in increasing difficulty (beginner, intermediate, advanced and expert). Despite the simple concept, the puzzles are extremely difficult!

wiki