Food: You need to have a good balance between the amount of food being produced and the people that you have in your village. Every minute, the people will eat, so you need enough food! You can also get food by foraging. Tip: It's hard to recover from not having enough food, as you will lose money, making it difficult to purchase a new food source. Happiness: You can hover your cursor over the face. It will tell you how your people are doing. If they don't have food or activities, the total happiness will gradually go down. If they are upset, you will start to lose money, so find a way to quickly solve the problem! Workers: Workers are just the amount of unemployed people that you have in your village. Hover your cursor over the "population" display at the bottom of the screen to see how many available workers (unemployed citizens) you have.