Some Useful Links

Practice 1: http://www.englishaula.com/en/ket-exam-reading-and-writing-cambridge-key-english-test-video-lessons-practice-tests-exercises.php 

Practice 2: http://www.english-online.org.uk/ketfolder/kethome.php?name=Practice%20for%20the%20Key%20English%20Test 

Game 1: http://games.matmi.com/funland/Funland_Wrapper.swf  

Game 2: http://monkeypuzzles.kokogames.com/CambridgeUni.swf?v=15%22%20quality=%22high

Irregular verbs game: http://games.wordreference.com/language-games/verb-dash