Tanglet - Tanglet is a single player word finding game based on Boggle.
Crossword Puzzle Free - Crossword Puzzle Free is an app by Redstone Games that provides you with a variety of different puzzles according to various difficulty levels such as easy, medium, hard, and pro, etc.
Webfeud - Two players play in any game of Webfeud.
Logic Puzzles Daily - Logic Puzzles Daily app comes up with features to help you in taking challenges so you can clear levels after levels of brain teasers.
Lexica - An open source word-search game.
Word Pursuit - Word Pursuit app allows users to put their knowledge about the language and vocabulary to the test by solving puzzles.