Ever played Diplomacy? (correspondence board game) https://en.wikipedia.org/wiki/Diplomacy_(game)

It's like Risk but you submit each round's actions in advance and they are resolved simultaneously, rather than turn-by-turn. All of the action is off the board, not on it. Coalition-building, intelligence gathering and managing trust—even when betrayal is inevitable.

I learned a lot from that game.

That sounds like a speech someone would give on a video to his friends that he invited to a remote mansion to play lethal games with.