[JoeDaDude]

Game theory fans may want to try a game invented by John Nash (and others) called So Long Sucker aka F* You Buddy! Gameplay consists of making - and breaking - alliances between players.

https://en.wikipedia.org/wiki/So_Long_Sucker

[otoburb]

Sounds like a possible progenitor to Diplomacy[1].

[1] https://en.wikipedia.org/wiki/Diplomacy_(game)