Encourages players to play as much as possible to get their money's worth.
"The are multiple lunacy packs that the player can purchase that give a small amount of in-game currency over a 30-day period."
"There's a different price depending on whether you subscribe for one, two or three month. The last option is the most profitable, but it encourages you to play for longer."
"Season reward chains that change monthly require buying a “pass” for each one to access better rewards"