The answer code is 2469 :D
304
The code for the box in monkey go happy mayhem is 2497.
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it is 2583
easy monkey boy
The code is 304
5237
5237
2487
sfvdbgnfdsa
One code on Monkey Go Happy 2 Mini Monkeys is at the ice pond. You click the lock and see a four digit code with a clue that is the time as military time you put the number into the lock to go downstairs. The code in the cellar gets the monkey out of a chest.