KGB'secrets (SPE)
KGB'secrets Standard Personal Edition. Self-development game KGB'secrets is based upon some of secret technologies. It will help you to develop your general attention, visual memory, multiple objects tracking, logics, visual processing speed, short term (working) memory, to increase your brain... You can learn the basic spy habits for some days, you just have to play three simple games (Statics, Transpositions, Flashes).
http://kgbsecrets.org/InstallKGBsecretsV13(SPE).exe - 1Mb - Download - Screenshot

CrossWorld
Attractive offer!!! Get the best crossword and puzzle games in one game collection. Become a professional in solving puzzles and crosswords. Improve your logic and solving skills. Train your brain and erudition. Check how educative you are. Solve these fun and challenging word and number puzzles! ... CrossWord - well known logic game with classic rules. ... Word Match - crossword-like game where you have to use all your logic skills to find out a solution of a world puzzle. ... There are 4 games in CrossWorld game collection: Japanese Puzzle; Word Match; CrossWord; World Builder.
http://absolutist.com/crossworld/crossword.exe - 4Mb - Download - Screenshot

Pick-a-Line
Select longest lines of identical balls, to be replaced by the incoming balls. Our logical funny games are made to increases the player's intelligence's "muscles". The player trains his brain and has fun too. Einstein's intelligence is not impossible to achieve! ... The player can control his destiny in a very clear manner and this make the game interesting for everybody. ... The game ends when there is no place for the incoming balls. ... The incoming balls are in number of 3 for the beginners, 3-4 for the intermediates and 4 for the experts.
http://www.holotronix.com/dwn/pkaline1.exe - 505Kb - Download - Screenshot

JoYtair
JoYtair is an exciting family game like the classic peg game Solitaire. Remove the pegs one after the other by jumping horizontally or vertically over one. The one being jumped will be removed from the board. Use your brain and try to remove all the pegs except one. ... There are 30 different boards. ... For entering the highscore list, the number of left pegs has priority before the moves needed. ... If the same peg jumps over several pegs consecutively, it is counted as one move.
http://www.jogames.com/ftp/joytair_e.exe - 3Mb - Download - Screenshot

KGB'secrets (APE)
KGB'secrets Advanced Personal Edition. Self-development game KGB'secrets is based upon some of secret technologies. It will help you to develop your general attention, visual memory, multiple objects tracking, logics, visual processing speed, short term (working) memory, to increase your brain... You can learn the basic spy habits for some days, you just have to play five simple games (Statics, Transpositions, Flashes, Moves, Super Moves).
http://kgbsecrets.org/InstallKGBsecretsV13(APE).exe - 1Mb - Download - Screenshot

Cross-Colors
Change the colors on a row or column, move them, and make the same color. Our logical funny games are made to increases the player's intelligence's "muscles". The player trains his brain and has fun too. Einstein's intelligence is not impossible to achieve! ... Holotronix offers multiple versions of the X-Colors game, which can be played with the same rules, but involve different strategies, in order to provide more pleasure in the game. ... It is mathematically proved that every game is winnable.
http://www.holotronix.com/dwn/xcolors1.exe - 488Kb - Download - Screenshot

Penguin Puzzle
Penguin Puzzle is a lovingly crafted puzzle game with great gameplay and a unique look and sound. The game is set on the North Pole, where a freezing blizzard has caused lots of creatures to be frozen in ice cubes. Your goal is to release them. With a cast of penguins, polar bears, seals, birds,... The bonus levels are lots of fun, they're like an extra game within the game! ... Everyone has a different playing style, so Penguin Puzzle lets you play a relaxed puzzle game without pressure, or a challenging brain-cruncher - or something in-between.
http://nuclide.com/downloads/redirect/PenguinPuzzleSetup.exe - 3Mb - Download - Screenshot

KGB'secrets (AMUCE)
KGB'secrets Advanced MultiUser Contest Edition. Self-development game KGB'secrets is based upon some of secret technologies. It will help you to develop your general attention, visual memory, multiple objects tracking, logics, visual processing speed, short term (working) memory, to increase... You can learn the basic spy habits for some days, you just have to play five simple games (Statics, Transpositions, Flashes, Moves, Super Moves).
http://kgbsecrets.org/InstallKGBsecretsV13(AMUCE).exe - 1Mb - Download - Screenshot

Pick-a-Word
Select longest valid words, to be replaced by the incoming letters. Our logical funny games are made to increases the player's intelligence's "muscles". The player trains his brain and has fun too. Einstein's intelligence is not impossible to achieve! ... The player can control his destiny in a very clear manner and this make the game interesting for everybody. ... The game ends when there is no place for the incoming letters. ... The object of Pickaword is to select valid words, aligned in a row.
http://www.holotronix.com/dwn/pkaword1.exe - 730Kb - Download - Screenshot

Penpen the Penguin
Penpen the Penguin is another not-so-normal fun logic puzzle game by MagicSeven Studio, featuring a penguin named Penpen, the game has a ton of fun: nice graphics, music and sound effects, addictive and enjoyable gameplay. Test your puzzle judgment on a variety of increasingly difficult levels... As one of the best puzzle game, this game is easy to learn but hard to play well, it's really a great challenge to your brain! ... WARNING: VERY ADDICTIVE! ... Treasure forever, delete never! ... Fun for the whole family, encourages logical and procedural thinking, enhances problem solving skills.
http://www.qwerks.com/download/6512/penpendemosetup.exe - 2Mb - Download - Screenshot