Here is the full list of all 10 Wild Island Quest achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Let your shotgun do the talking.
Be brave when needed.
Arouse mortal fear in your enemy.
Use one of the items and feel yourself great and all-powerful.
Find a way to survive a night in the jungle.
Stay alert! Not everything is safe that seems that way.
Get all your friends together!
Hold out as long as you can before help comes.
Survival in the jungle is not an issue for you.
Read books! This can actually be helpful.