The thinking half of the archive, and nearly as large as action. Match-three boards, logic grids, hidden object scenes and plain brain teasers. Candy Match and Winter Bubbles are the chain-reaction kind. The Brain Game 2 tests memory instead. Robo-Manager and national flag try connection want planning rather than speed. Most of these have no clock, so you can leave one half-finished and come back.
213 games, free to play in the browser.