If your end of class is game. Here is Finishing games that should use as instruction at the end of game.
(Go) back to your seats
That was fun, wasn't it? / Did you have fun?
Time's running out! / Only 10 seconds left. Ten, nine...
Hurry up!
Time's up/ Three, two, one, zero! / Game over! / The game is over
(There will be) (just) one more question/ round
How many points did you get? / Add up your scores/ Count up your points/ cards
Stop there
Sirirat 033 3EN