Board Thread:Questions and Answers/@comment-26445047-20150601072232/@comment-25704189-20150617051653

Ad blockers, script blockers etc can interfere with these pages and games. Try disabling them temporarily to see if that fixes the problem.

I used to have terrible problems playing FB games with Opera browser as it had all sorts of blocking stuff going on by default in the name of "security" and was worse on https pages.