On Mixer the game a channel is playing is called a "type" this is because we have non-gaming listings within our site such as IRL and Art.
To find a list of channels playing a game first find its typeId using the query parameter of the types endpoint.
Once you have its id use it to filter the channels list using the channels endpoint's
Here's a final example url for Minecraft:
Use the relationship endpoint to find the follow state and roles of a user for a channel.
CSRF(Cross-Site Request Forgery) is an attack that can force you to perform actions on a site, CSRF Tokens prevent this. Mixer.com handles CSRF Tokens automatically but as a Mixer Developer you should not be seeing this message. If you're receiving it then check the following:
Bearer <your token>