These are my articles with ideas arranged by kinds of games. See my pages on grammar, vocabulary, writing etc for games for specific language points and skills.
TEFL games for kids page (and many of the ones below are also suitable for teens and higher level young learners)
General articles on TEFL games
Finding Variations on Find Someone Who (mingling games)
Movement in adult classes (TPR games etc)
Low prep games with common classroom objects
TEFLtastic classics (blog posts with descriptions and links to worksheets)