Passive

http://www.learnenglish-online.com/grammar/tests/passive.html

http://www.englisch-hilfen.de/en/complex_tests/passive1/index

https://www.ego4u.com/en/cram-up/tests/hadrians-wall

http://www.usingenglish.com/quizzes/46.html

http://www.english-test.net/esl/learn/english/grammar/ai118/esl-test.php

games
http://www.eslgamesworld.com/members/games/grammar/basketball/active%20v

http://www.eslgamesworld.com/members/games/grammar/football/passive%20voice/passive%20voice.html