Why do people play Tetris or any other game? For most it is just a fun way to pass some time. However for others, it's an obsession that is prioritized over real-life -- jobs, finances, etc.

The clubs appear to be like guilds or teams in online games, players collaborate for high scores and to maintain a ranking on a leaderboard. The problem is that once someone joins a team, they feel pressure to generate points to contribute to the team's success, which often requires in-app payments to obtain more coins to wager.