Full list of all 18 Titan Chaser achievements. It takes around 2-3 hours to unlock all of the achievements in the base game on Windows.
The base game contains 15 achievements, and there is 1 DLC pack containing 3 achievements.
Turn off the water and switch off all the lights in your room
Ask Jasper for help via the radio for the first time
Find Lucy's memorial around Silent Peak
Visit your parents in Woodville
Call Jasper from a phone booth for the first time
Call Jasper from all phones on a map
Destroy 50 road markers
Turn on the music in your car
Escort a wyvern to her home
Scare a wyvern with your car horn
Shine your spotlight on the wyvern
Deal with wandering titans
Escort the last whale
Find where is Jasper during a third night
Collect all pumpkins and learn the story of Woodville Witch on Halloween Special
Embrace the Kraken
No matter what you choose, this is your new life
Climb all 9 Satellite towers in one night