Fight old Grampa Grumble and try to knock him out. Careful hes got moves! Grampa Grumble Whoop 2 is a great Sports game. You can play this game here at my1001games.com totally free. Grampa Grumble Whoop 2 has been played 40719 times. It has received 970 yes and 183 no votes. It has a score of 84. If you liked playing this game than you should try 8 Ball Pool Challenge and CityMix Solitaire. Have fun!
Instructions: V - Left Jab.
B - Uppercut.
N - Overhand Right.
Spacebar - Block.