› The Upgrading tree U1

what is The Upgrading tree U1?

The Upgrading Tree U1 is a complex, strategy-focused idle game featuring a customizable upgrade tree and challenging progression.

This game emphasizes strategic planning and experimentation with upgrade paths. It can be difficult, especially when unlocking certain upgrades, and encourages community discussion for solutions.

It sits in the Idle / Prestige / Numbers / Strategy / Open Source corner of the genre. Like most idle games it runs on a simple loop — earn, reinvest, automate — but the depth is in how long that loop keeps unfolding. Expect to check in, make a few decisions, and watch the numbers climb whether you're at the keyboard or not.

New to incrementals? Read our beginner's guide first, or just hit play — these games are built to teach themselves.