Memory is a fun game that can be played by all ages together. Non-readers can compete with readers (and sometimes are more focued in remembering where the pictures are).

A fun three dimensional tic-tac-toe, requiring four in a row and with a much bigger board.

Another simple-to-learn game with lots of levels of strategy.

Everyone should learn chess. Good social game, good for thinking skills, fun anyway.

A clever word search game with special letter dice.

Good deductive thinking game. Try to guess your opponent's color scheme with logical clues about right color and/or right place.

Classic strategy game using coordinates and tracking to find your "enemy's" battleships. Great game (lots of little pieces).

The classic word game. This can be used with a wide variety of ages. You can also come up with variations with a different language, theme, etc.

Excellent mystery-solving strategy game. Lots of deduction practice and many levels of clue-finding possible. Surprisingly simple to get started.

Classic battle strategy game. Learn a little geography while conquering the world.