Here is the full list of all 11 Shiver achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Arrive at Windy Oaks National Park
Start the Generator
Enter Mort's Mine
Escape Mort's Mine
Remove the lock with the power of science
Call for help with the radio
Complete the game
Smoke by the no smoking sign
Teach that creepy mole a lesson
Smoke six cigarettes
Don't use a single cigarette while in the park