Collect the coin in one of the saw rooms.
If a wizard is powerful enough, he can even defeat a Basilisk.
A coin in the palace? Of course it belongs to the King!
When drunk in a tavern sometimes a gold coin must be stolen.
Someone must have dropped this coin, maybe someone observing the broken bridge.
Destroy 3 or more Giant Squids
Find the Cyan coin in the woods
Find the Cyan coin near the Kings Castle
Find the Cyan coin near shack in turtle passage
Find the Cyan coin bellow wizards tower
Find the Cyan coin inside the wizards tower's tunnels
Find a coin hidden by a dungeon gnome in Labyrinth Town.
Even the toughest can be cracked.
Slay the Purple Squid, the key holder!
Collect the coin in the rapids inside the white stone circle.