NPC Simulator. Hover your mouse over the top right corner to show NPC Number slider. Set it to the value you want and click the green flag. If you want you can remix this and add your own ideas. Contents: Green/Orange/Red dot is stamina. Stamina: Green - a lot Orange - less Red - a little If these guys are low on stamina, they go home to rest, and then start walking aimlessly again. Day and night cycle. Rain and Thunderstorm. Clock.