[esltiger]

In my previous school I have the same experience of really noisy classes and had a share of being questioned if I am teaching my classes English or just playing games. I reasoned out that it means my classes are enjoying their English class and that the students are not bored. Just make sure that it is not just a game for games sake. Also before doing any ESL games always remind your students not to be very noisy or you won't have games anymore.