Originally Posted by
Chaotarch
upgrade Cityhall 18 to 19 needs 545 stars, 990 population, 3000 coins, 22h
upgrade Cityhall 19 to 20 needs 625 stars, 1180 population, 3500 coins, 22h
upgrade Cityhall 20 to 21 needs 710 stars, 1380 population, 4000 coins, 22h
Puplic Pool nr3 = 1416 coins
Family Park nr3 = 816 coins
Post Office nr3 = 1566 coins
Firehouse nr3 = 3366 coins
Community Garden nr3 = 2716 coins
Toy Factory unlock at 545 stars for 900 coins
Home Decor Factory unlock at 625 stars for 1000 coins
Protein Factory unlock at 710 stars for 1100 coins