The Upgrading tree U1

A complex tree which will be upgraded on your own. This game could be hard(especially unlocking generator upgs), and feel free to chat about solutions. Solutions are usually not unique.

website

source code

Development

Finished

Platforms

Web

Monetization

Free

Playstyle

Idle

Active

Length

Days

Graphics

Setting

Mathematical

Gameplay

Strategy

Difficult

Branching upgrade tree

Linear progression

Loops

Features

Non-English

Prestige

Big numbers

Local save

Open source

Choices matter

Offline progress

Engine

TMT

Hugely strategy based, don't play it if you want to find a simple idle

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Date added

Sunday, March 29th, 2026 at 6:24:43 AM GMT+00:00

March 29th, 2026

Original release date

Saturday, January 1st, 2022 at 12:00:00 AM GMT+00:00

January 1st, 2022

Developer

Added by

unknown

Last updated

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