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