Here is the full list of all 20 Vasilis achievements worth 1,000 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox One.
First chaos Tower. For Young generation.
Third Day - Chapter 3
Second Day - Chapter 2
Mortuary worker. Pathologist. Friend of Vasilis.
Worked with Vasilis. Tried to make small business selling jam, but failed and now just sitting here.
First Day - Chapter 1
Fourth Day - Chapter 4
Fifth Day - Chapter 5
Chaos Tower for intelligent. Most of them escaped or executed.
Tower for all dead people, who rotted too much.
Tower for all workers, one of the last strong group in town.
Squirrel bar
Secret location
Meet The Peter
Meet your Neighbour
Face a cult
They are growing!
Riot ends at 6th day. Find Chern!
Travel through time
Sixth Day - Chapter 6