Here is a simple guide on how to get Adventurer Achievement, which mean that you need to discover the secret island.
Discover the secret island
In Level 3 – defeat the first octupus
Head down the pot and continue through this part of the level.
You have reached the secret island with a few enemies, a lot of money bags and a One-Up.
Thanks to zebazz for his great guide for Adventurer Achievement. all credit to his effort. you can also read the original guide from Steam Community. enjoy the game.
