Arithmogriph generates mathematical puzzles, that can be solved by thinking logically. A solution grid helps you in the process of solving the puzzle. You can save the game to a file and load it again later. You can also play Arithmogriph over a network against other human opponents. You do not necessarily need use a computer to solve Arithmogriph puzzles. Just print one or more puzzles. The solutions will be printed on a separate page.

• License: Shareware
• Language: English, French, German, Italian, Spanish
• Release: 2005-03-25
• Size: 5 Mb
• Cost: 13.00 $

Oktagon comprises two separate octagonal puzzles. In the first, you must rearrange a set of four to eight irregular shapes to form an octagon. This is based on a puzzle in our shareware game Uncle Julius and the Anywhere Machine. In the second puzzle, you must rotate six concentric octagonal rings until all have the same orientation. The catch is that the rings are linked, so that rotating one also rotates one or two others.

• License: Freeware
• Language: English
• Release: 1999-10-15
• Size: 360 Kb
• Cost: Free

An intriguing puzzle game that gives you the task of deciphering a randomly generated mystic symbol. Work up through the difficulty levels from 3 by 3 (easy) to 5 by 5 (quite difficult). This is a contemplative game: there are no time limits or high score tables or other forms of pressure. Relax and allow your subconscious mind to guide you to the core of the mystery.

• License: Freeware
• Language: English
• Release: 1999-10-12
• Size: 360 Kb
• Cost: Free

As the title implies, PIQE: Chain of Puzzles, a refreshing new logic game by Albymedia, immerses you deeply in the challenging world of various mind-teasing riddles. Your intellectual skills and deductive thinking will be put to the intellectual test by the three puzzle types: logic, math and spatial. Take your time for solving, get the right answer and compare it with more than 10 thousand results of the other players. Have fun!

• License: Shareware
• Language: English
• Release: 2008-01-08
• Size: 7 Mb
• Cost: 14.95 $

The ultimate memory strain evaluation! You will be given a limited amount of tries, an ever-increasing amount of actions (clicks) to imitate (repeat) and a wild array of tricky click object Layout patterns and sizes. Successes won't go unnoticed with many features and secrets to unlock, you'll even improve your memory while playing! (non-scientifically proven!).

• License: Shareware
• Language: English
• Release: 2007-08-01
• Size: 25 Mb
• Cost: 19.95 $

Brain Freeze - The Meltdown is a great puzzle game that exercises your grey matter. The saying, "Use it or lose it" doesn't just apply to your physical strength. It applies to your mental strength at too! The object of the game is to match the pictures hidden behind the game pieces on the game board. But there is a twist -- avoid a Brain Freezer !!! If you lose your concentration and click on the wrong game piece you will have a Brain Freeze!

• License: Shareware
• Language: English
• Release: 2008-04-26
• Size: 298 Kb
• Cost: 10.00 $

Create and play jigsaw puzzles with realistic pictures and a very comfortable way of operation. Create your own puzzles with anything visible on your screen. From four to more than one thousand pieces with assorted shapes. Rotable pieces, nails, boxes, scores, rankings, printing and more. Save your job and resume it when you wish, exactly as you left it. Share your photos with others as a jigsaw puzzle.

• License: Shareware
• Language: English, Spanish
• Release: 2006-09-10
• Size: 2 Mb
• Cost: 19.95 $

From the makers of Bugatron and Z-Ball comes Marbles Deluxe. Guide your little marble home in this super-addictive puzzler. Based on the legendary Amiga classic, Marbles Deluxe features gorgeous 3D rendered animations and 16 free levels.

• License:
• Language: English, Spanish, French, German
• Release: 2005-05-05
• Size: 1 Mb
• Cost: 17.99 $

Unitix Entertainment consists of several well known and classical games, such as Sokoban, Gophers, "Foxes and Ducks" and "Turtles and Beavers". More brainteasers and puzzles will be made available in the months to come. Try the many challenging levels of Sokoban or try to solve one of the other brainteasers at http://unitix.com/entertainment

• License: Freeware
• Language: English
• Release: 2002-05-12
• Size: 2 Kb
• Cost: Free