The use of game-like mechanics inside a class is much easier with these tools
Certain behaviors will earn points that accumulate to individual or group rewards. This is a fun and classic behavioral modification technique. It takes work to setup and maintain so it fades in and out of practice for most teachers.
Token economies are often used in shaping classroom culture, but it also can be used to acknowledge outstanding work. There are some easy ways to to implement this game mechanic and sustain it with less effort using ClassCraft or ClassDojo.