Here is some Helpful Game Info for Club Penguin!
Cart surfer:
The best way to get coins fast is to simply hold the up key.You want to crash on the first 2 turns then take the next turn, then crash on the one after that.

you can get up to 200+coins each game!
Puffle round Up:
The best way to get coins fast in Puffle Roundup is right here:
Black puffle:FAST
Green Puffle:FAST
Purple Puffle:FAST
Pink Puffle:MEDIUM
Gold Puffle:SLOW
Blue Puffle:SLOW
Once you memorizie this guide: you can get 100+ coins each round!

Ice Fishing:
Here is the best way to get coins fast on Ice Fishing:
If you have the flashing fish lure, use it to catch grey fish! CAUTION: the grey fish are a lot smarter than the yellow fish(in other words, the don't swim just swim straight)
When ever you see a crab start to climb on the bottom of the ice, get as many fish as possible.
Don't put your line on a jellyfish.
You can put your line on a barrel or boot.
If you see a 1-up passing by, get it.
Automaticly, as soon as you reach 60 fish, the mullet starts to come.
When you see it's shadow, catch a fish and don't bring it up.
If another fish swims by, switch the fish you have with the fish that is passing by.
When the mullet comes close enough, use the fish that you have as bait to catch the Mullet!
Catching the Mullet will give you a 100 coin bonus!

Catchin waves:
Here is the best way to get coins fast on Catchin Waves:
Thre's not much to say about it but, here's what I got:
When you go, keep moving your mouse up and down on the wave to keep up speed.
If you go up high enough, you'll fly above the wave.
If you spin your mouse while you're in the air you'll do flips.

Thin Ice:
Here is a guide to get the most coins on Thin Ice:
Well... here you go: