Here is the full list of all 13 Reigns achievements.
Trapped in an endless middle-age
Govern more than 50 years
Reach year 2000
Suffer more than a 100 deaths
Beat the skeleton more than 5 times in a row
Govern less than 3 years
Read all the cards
Meet all the characters
Suffer all the deaths
Govern more than 100 years
Do not fulfill the Death wish
Rot in hell for eternity
Trick the Devil