Want a collection of fun brain games for adults and kids that requires no registration? and works offline?

Try Sharper Minds. It's 15 fun games for the brain that require no registration or Internet. Keep sharp (and entertained) by playing the following classic brain games anytime or anywhere on a single app:

Sudoku
Crossword
Minesweeper
Hangman
Classic and Falling 2048
Word Search
Pairs
Slider Puzzle
Word Scramble
Connect
Blocks
Trivia
Patterns
Chimpanzee Memory Test