Bonus resources are one of the types of natural resources. These cannot be traded like luxury or strategic resources, but do provide bonuses to worked squares within a city radius. City Production Bonuses A citizen laborer working a bonus resource square gains extra food, shields, and/or commerce. Types Food Shields Commerce Tropical Fruit +1 +0 +1 Cattle +2 +1 +0 Fish +2 +0 +1 Game +2 +0 +0 Gold +0 +0 +4 Oasis +2 +0 +0 Sugar +1 +0 +1 Tobacco +0 +0 +1 Whales +1 +1 +2 Wheat +2 +0 +0