Skip to content
Future Ready logoFuture ReadyThe Five Keys of Money Mountain
🚩 🏆 Championship round

Restart the Future Engine

The whole town came out to cheer! Five slots wait for five ideas. Answer well and the Future Engine roars back to life.

Lumi: This is the big one, champ! Take your time.

0/5 keys

You can try now, but finishing all five worlds first makes this much easier. Back to the map

  1. 🚩 Slot 1 · Rule of 72
    At 8% per year, roughly how long does money take to double?
  2. 🚩 Slot 2 · Compound Growth
    100 grows 10% twice. What is the total growth?
  3. 🚩 Slot 3 · Present Value
    What is 121 received in 2 years worth today at 10%?
  4. 🚩 Slot 4 · Geometric Mean
    Up 50% then down 50% leaves 100 sparks at…
  5. 🚩 Slot 5 · Real Return
    Return 5%, inflation 5%. Your real return is about…

Lumi: This is it! Let's wake up the Future Engine!