Offices above ground. Servers below.

Startup Office is an idle tycoon and business simulator: grow a one-desk startup into a skyscraper HQ with a data-center basement humming underneath.

Begin with a single employee grinding out work in a cramped starter office. Reinvest what you earn to build new rooms, stack new floors, and dig a basement full of humming server racks. Before long your one-person operation becomes a buzzing high-rise of employees, managers, HR, janitors, and interns — all working while you plan your next move.

BUILD YOUR HQ
- Buy and place rooms floor by floor: Employee Rooms, Manager Offices, HR, Supply, IT, and more
- Expand upward into new floors and downward into a server-farm basement
- Watch two matching rooms merge into bigger, better double rooms

HIRE AND AUTOMATE
- Fill desks with employees and put them to work
- Promote Managers to keep your team running automatically
- Add HR to supercharge whole departments
- Keep the place clean with Janitors before trash drags your productivity down
- Level up your staff to multiply their output

GROW A REAL TECH COMPANY
- Bank Dev Points and ship products
- Power your operation with compute from basement server racks
- Take on Contracts for big payouts
- Hit Milestones that push your startup to the next stage
- Raise your valuation and go for the IPO

IDLE-FRIENDLY
- Your company keeps earning while you're away — come back to a pile of offline progress
- Simple one-tap gameplay, satisfying long-term growth

Startup Office is easy to pick up and hard to put down — perfect for anyone who loves watching numbers go up, optimizing a growing machine, and turning a humble desk into a skyscraper of success.

No account needed. No internet required. Just build.