123Guess is a brainteaser game. A Mastermind with numbers rather than colors or symbols.
You need to guess 4 digits in the right sequence in 9 tries or less. There are 3 levels of difficulties: Easy, Medium, and Hard in both duplicates and non-duplicates modes.
You can click a digit to add it to the attempt panel; swap digits in current attempt by drag n drop, or simply drag away to remove a digit from current attempt.
If you suspect that a digit is in or out you can then tag it by tap and hold, or reset it to its initial state.

Target of the game is to guess a three-digit number.
You always have to provide a three-digit number. After you typed three figures you receive a comment that tells you via two numbers whats going on.
The first number means that figures are correct with regarding to position and value. The second number means that figures are correct regarding to value but the position is wrong.
Samples:1 1: One figure is correct regarding to value and position and one is correct regarding to the value only.

15 Puzzle is a sliding square puzzle commonly (but incorrectly) attributed to Sam Loyd. However, research by Slocum and Sonneveld (2006) has revealed that Sam Loyd did not invent the 15 puzzle and had nothing to do with promoting or popularizing it. The puzzle craze that was created by the 15 puzzle began in January 1880 in the United States and in April in Europe and ended by July 1880. Loyd first claimed in 1891 that he invented the puzzle, and he continued until his death a 20 year campaign to falsely take credit for the puzzle.

This classic puzzle is over 100 years old, but still remains one of the most popular.
New version features 5 different scripts:
- Regular.
- Arabic.
- Chinese.
- Cyrillic.
- Thai.
A fun and easy way to memorize the foreign numbering!
You can also load your own pictures in any format.

4-in-a-line is a great little puzzle game.
All you have to do is get 4 of your counters in a line before your opponent.
This version looks great, and features several game play modes.
The artificial intelligence is good, and there are even hidden 3-, 5-, and 6-in-a-line versions.
The game requires Macromedias Flash Player for Pocket PC (v5 or above), which is available for free from http://www.microsoft.com/mobile/pocketpc/downloads
Note also tha

Aim of the game is to beat the computer by arranging four blue balls in vertical, horizontal or diagonal order.
You place them on the board starting from the bottom by selecting a column with your pen.
The colour first in the row of four balls shall win.
Good Luck! Update
Freezing and hang-ups problems corrected.
In this version you can choose who starts game (computer or player).
You can also play with the human opponent and reset score.

Have you ever played that old plastic or wooden puzzle called "15"?
Here it comes in fabulous digital colors on the screen of Your PocketPC.
The rules are simple: Just match the big pictures with the small one at the bottom of Your screen.
The game is played by moving a piece to the empty place and this way shuffling the pieces so the picture gets reconstructed in its original shape.
You move a piece by clicking on it - if its next to the empty place it will slide over it.

Advanced Lines for Pocket PC is an incredibly addictive color matching game with a bunch of sound effects and a graphics galore. It includes three different game types: lines, squares and blocks. Advanced Lines is played on a 9x9-square board, which is filled with colored objects.
The aim of the game is to build various figures out of objects of the same color. You score points by building figures, which eventually disappear. The deal is to make as big a score as you can get and prevent the objects from filling up the playing area.

Free Minesweeper game. The objective of the game is to locate all the mines as quickly as possible without uncovering any of them. If you uncover a mine you lose the game.
Contains all the features of the PC version on your Windows mobile device. Optimized for stylus play, using gestures you can quickly insert flags and remove tiles.
All Mobile Mines is fully compatible with all Windows Mobile-based Pocket PCs including square display devices, play in landscape or portrait mode.

Anagrams is a game that asks you to find all the words you can possibly make out of the letters of a word given to you by the program. No matter if those words have fewer letters than the original word.
The program is very well made, though a bit slow in finding all the words at first.
Only one skin is provided, with a barely visible keyboard, but theres nothing to stop you from using the standard keyboard.