I'm guessing it isn't any particular game. There are some in game comm solutions that can be used for covert comm that can be encrypted, share files and a host of other features:
http: //www.getgsc.com/
https: //www.teamspeak.com/en/
The American Revolution had three identified groups, Loyalists (them), Patriots (us) and Neutrals (those that claimed neutrality, but leaned Loyalist…normies). The Patriots we're by far the smallest group and sacrificed everything.
Snopes is compromised and fake.
Seems to work for (them).