In short, everyone gets 8 origin lives and each origin lasts 3 hours of time.

Lives Mechanics

• Display 3-hour timer in bottom right of player's screen.
• If a player dies, they lose 1 hour of time. Display message for player: -1 hour.
• If the player dies with more than 1 hour remaining, their origin doesn't change.
• If the player dies with less than 1 hour remaining or their timer reaches 0, their origin changes and they lose one origin life.
• If a player loses an origin life, the color of their screen text changes depending on the number of origin lives left: 8 = White, 7 = Pink, 6 = Purple, 5 = Blue, 4 = Green, 3 = Yellow, 2 = Orange, 1 = Red
• If a player on their last origin dies with less than 1 hour left or their timer reaches 0, that player is put in spectator mode. Display message for all players: [playername] has run out of lives!

Boogeyman Mechanics

• A random player is chosen as the boogeyman.
• If a player is not chosen, display message for players: You are NOT the boogeyman.
• If a player is chosen, display message for that player: You are the boogeyman.
• If the boogeyman kills a player, display message for boogeyman: You are cured.
• The player killed loses 2 hours of time. Display message: -2 hours.
• If the boogeyman doesn't kill a player, display message for boogeyman: You have failed. That player is put on their last origin.

Not my idea but I created the mod anyway so.