Understanding real estate investment, by playing it.

Watermelon Investments Limited Liability Co. builds software that teaches the decision-making process behind real estate investment.

See the software we build

SOFTWARE

The software we build

Real Estate by the Numbers: Japan

JAPAN

Real Estate by the Numbers: Japan

戦略的大家への道(日本編)

  • iOS / Android
  • ¥1,500 one-time purchase
  • Offline

Borrow from the bank, buy a building, improve it, and sell it. A real estate investment simulation where you compete against two AI investors in the same market, judging every deal by IRR, CCR, and DSCR.

Model
Cash flow model based on the CCIM and CPM analytical frameworks
Simulation
Monthly, with loan terms, depreciation, taxes, repairs, and vacancy built in
Guide
19 chapters of commentary and a glossary, built in
Network
Performs no network communication; works fully offline
Real Estate by the Numbers USA

UNITED STATES

Real Estate by the Numbers USA

戦略的大家への道(米国編)

  • iOS / Android
  • $19.99 one-time purchase
  • Offline

Pick a U.S. state and structure your terms from six loan products. A simulation set in the U.S. market, where every deal is judged by IRR, DSCR, and debt yield, with 1031 exchanges and balloon maturities built in.

Model
Cash flow model based on the CCIM and CPM analytical frameworks
Markets
89 U.S. markets to choose from
Financing
Six products, including conventional, FHA, DSCR, bank, and agency loans
Network
Performs no network communication; works fully offline

WHY WE BUILD IT

Why this exists

What makes real estate hard is not the number of variables. It is that you only learn whether a decision was right several years later.

We turn decisions you can only make once into decisions you can practise. That is the purpose of everything we build.

COMPANY

Company profile

Legal name
Watermelon Investments Limited Liability Co.
ウォーターメロン・インベストメンツ合同会社
Business
  • Residential rental property
  • Short-term lodging under Japan's Act on Private Lodging Business
  • Management and operation of our own real estate holdings
  • Education (planning, development, and publishing of learning materials and software on real estate and investment)
D-U-N-S Number
692970840
Contact
info@watermelon-investments.com

Disclaimer and privacy

Disclaimer
Our apps are educational simulation games. They do not provide investment advice or solicitation, and they do not depict real properties, companies, or financial institutions. Figures in the game are simplified for learning and do not represent actual market terms.
Privacy
Our apps collect no personal information from users.
See our Privacy Policy for details.