아이들 마피아 - 타이쿤 매니저

I was playing alone, then joined an alliance and started fighting with heroes. If you play without paying (free-to-play), hero progression slows down significantly at some point, and you'll fall behind in event rankings. The game is about building a mafia, so the building names are a bit iffy, like 'pyramid scheme', 'kidnapping', 'adult toy shop', etc. But the building names change with each level range, which is fun to see. There's even a 'President's Pyramid Scheme' building lol I quit because the slow progression became boring.

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