Board Games (with question cards)
Here is a selection of grammar, vocabulary and prepositions board games.
The question cards require some cutting up, but you'll want to use them again and again.
A-B-C Quiz (similar to Blockbusters)
Follow this link for a paper version of the Blockbusters game, and links to an online version you can make for interactive whiteboards
Here is a selection of board/card games for practising speaking skills.
If you have an interactive whiteboard in your classroom, try these PowerPoint games. Some are ready to go, some need you to type your own questions into the template.
And here is a bunch of other games that I haven't decided how to categorise yet (so no picture!).