Train your mind.

Boulder Dash
Collect diamonds and exit each level before time limit and without getting hit in the head by a boulder.

Adventure game that runs on a time limit so you need to replay a lot to complete it.

Arcade puzzle game where your character Zoomer trace around the squares on the game board. When you filled out all the squares you proceed to the next level. At the same time there are monsters that try to eat you and powerups that appear at random on the board.

Puzzle game where you need to use your cars laser cannon to destroy a reactor on each level and then use the exit transporter. Your car can only drive on the road so you also has tanks and flyers that can carry things such as mirror and lenses to modify the laser shots you shot so you can hit things not visible from the road.

Chip's Challenge
Puzzle solving on a time limit is not my favorite thing but this game is still a bit ;) fun. Solve the puzzles and collect all the chips in each level to move on to the next.

Pipe mania
Build a pipe for fluid as long as possible from a parts that you get. When the fluid starts to flow you need it to not leak for a certain amount of pipe segments to get to the next level. Fun but takes a number of tries to get how to play.

Falling blocks game where you use the blocks from above to fill out a whole row to make it go away. Support for two players at the same time.

Puzzle game where two balls drop in the level and your goal it to get them inside a goal basket. Do do that you first place blocks for the balls to bounce on or fans to blow them to the side. Then you press play to see what happens and if it do not work right you move your blocks until it work. The screen is split in to with one screen for each ball when you run the level. When you place the blocks the lower part show all things you can place and the top part show the level. A bit lacking in the user interface but it's still a fun.

The Incredible Machine
In each level in this game you are given some strange objects to assemble a Rube Goldberg-type machine to solve a simple puzzle. Think outside the box by throwing cats, balloons, monkeys and anything at the problem.

Puzzle platform game that only real shortcoming is that it's to short :). In it the character you play is stuck in a laboratory and subjected to experiment by a AI named GlaDOS. You are forced to use a portal gun that creates space portals between flat surfaces to solve puzzles by GlaDOS while you are looking for a way to escape the laboratory. The sad part is that when you finally get a hang of the portal gun the game end's so it feels like playing only the tutorial part of a full game :(.

Games that always been part of windows OS. Guess where mines are placed as fast as possible.

Bob Came In Pieces
Physic-based puzzle game where you navigate your ship through each level trying to collect more parts for your ship and find the exit. The ship is shaped like a ball with eight ports for extensions such as thrusters and beams to carry things. Each extension can be assigned a key so it is possible to have some extra thruster fire only when the tractor beam is active. Each puzzle is a chance to build another ship configuration and try a new way to solve things.

The Ball
First person puzzle game where most are solved with a giant ball. Left mouse push the ball away and right mouse make the ball roll towards the player. Put the ball on buttons, destroy doors with it or use it to roll over monsters. Every time i had to leave the ball behind for a while i felt a bit sad.

Magnetic: Cage Close
Use your magnet gun to manipulate your surroundings and try to escape. A game that try to compete with Portal both in gameplay, tone and setting. Portal comes out on top here without much of a challenge