Here is the full list of all 24 Prison Tycoon: Under New Management achievements.
Unlock every plot of land on a Taiga prison
Spend 2 years on a Taiga prison
Create your very first prison
Open a prison on every location
Reach prestige level 5 on every location
Rehab 1000 prisoners
Produce 1000000 food units on a Taiga prison
Rehab 300 prisoners on a Taiga prison
Grant 50 paroles on a Desert prison
Have 50 prisoners on a Desert prison
Spend 1 year on a Desert prison
Generate 1000000 water units on a Desert prison
Achieve a monthly income of 50.000$ or more on a Tundra prison
Rehab 150 prisoners on a Tundra prison
Spend 2 years on a Tundra prison
Generate 1000000 energy units on a Tundra prison
Treat 50 ill prisoners on a Swamp prison
Have a cashflow of 250.000$ or more on a Swamp prison
Reach prestige level 4 on a Swamp prison
Generate 1000000 medical supplies on a Swamp prison
Grant 50 paroles on a Tropical prison
Spend over 1.000.000$ on a Tropical prison
Reach prestige level 5 on a Tropical prison
Spend 5 years on a Tropical prison