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Craft of Tech

The project collection

Ideas out
in the world.

Explore the apps and games we build and operate. Each project has its own home, its own purpose, and a little of our curiosity.

Live nowBrowser game · Daily puzzle

Numgrove

Grow a number tree every day.

A free daily number-tree puzzle. Fill the empty slots so every branch adds or multiplies up. Play in your browser, no download.

Built and operated by Craft of Tech.

A Numgrove number-tree illustration 24 is the product of 6 and 4. The 6 is the sum of 2 and a missing number. The 4 is the product of 2 and 2. 2464 2?22 × + ×

Every branch has an answer.

The lab keeps building. This collection grows as new projects launch.

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