Acrostic Puzzle Software by Crossdown - Construct and solve real crosswords, acrostic and cryptogram puzzles on your Windows computer.
Print puzzles out in a variety of formats.
Alphen - Word puzzle for Windows. Fun, fast action, with skill levels designed for all ages. Balda - A take off of the game Boggle, basically, it is all about combining letters into words. CompuCrissCross - Challenging drag and drop word game. More than 2 billion unique crisscross puzzles.