Idle Billionaire Game

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About Idle Billionaire Game

Start with a tiny market stall. End up the richest billionaire in the world in this idle business tycoon game. Your businesses keep earning while you're offline, so come back to a bigger pile of cash every time! 💼 Close deals and do jobs to earn cash and level up 🏢 Buy businesses from a market stall to a Mars colony – they pay you every hour, even offline 🏙️ Upgrade your office, hire staff and buy equipment to get stronger ⚔️ Launch takeovers on rival companies and attack other players to steal their cash (keep it safe in the bank!) 🤝 Team up with friends as business partners and earn more together 🌍 Join a team, fight wars and take over cities on the world map 🛒 Grab boosts from the shop – new stock every 10 minutes 📋 Finish daily quests and collect playtime rewards 📈 Take your company public (IPO), start over stronger and earn more forever 🏆 Climb the leaderboards for net worth, level, income and playtime Use code BILLIONAIRE for a free starter boost!

Questions

How many people play Idle Billionaire Game?

4 now, 3 on average, 8 at peak.

How much does Idle Billionaire Game make?

Estimates are in Pro.

Is Idle Billionaire Game growing?

Up 33% on its 7-day average: 4 players on average over the last 24 hours against 3 over 7 days.

When was it last updated?

Sep 29, 2026, 14 hours ago. Updated 7 times in 30 days, about every day.