Mr. Billion
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About Mr. Billion
Mr. Billion is an idle life and economic simulator in which you guide an unemployed person from homelessness to wealth. You make choices, manage money, study and work to develop skills and climb the career ladder, while building a business empire.
Build a life
You start with a modest dorm and can upgrade your home to a chic apartment, then potentially a luxurious villa or private island. Achievements unlock further levels of wealth and style. You can also find a partner, build a relationship and start a family; your choices shape your character’s personal life.
Manage your well-being
Alongside money and career, you keep your character healthy and happy by caring for their health and fulfilling their desires. The game tracks happiness with a meter.
Frequently asked questions
The best price for Mr. Billion is $6.22 at Premium CD Keys. That is 11% less than on Steam, where it costs $6.99. 2 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Mr. Billion stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Mr. Billion are: Windows 7, Intel Atom, 512 MB RAM, 1 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Mr. Billion is a single-player game.
Mostly, yes. Valve rates Mr. Billion as Playable on the Steam Deck: it runs, but may need some manual setup.
Buy Mr. Billion 11% cheaper than on Steam.
Mr. Billion is available for 11% less in shops such as Premium CD Keys.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.
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