Series Z is an idle game about building an AI startup that never needs a product. You start Bootstrapped with one Vibe Coder and three users: you, your mom and a bot. Ship features, find users, raise money. Pre-seed, Seed, Series A, all the way down the alphabet to Series Z. Then go public, ring the bell and watch the bubble take it all back. HOW IT PLAYS • Two tracks: Build adds capacity, Distribution brings users. Whichever one falls behind is your bottleneck.