Independent product studio
We build small products
and run them ourselves.
−4 Kelvin LLC is an independent studio. We design, build and operate our own apps — no investors, no publisher, no outsourcing.
Products
NhomFind your people. Do the thing.
A social app for local and online events — lobbies with group chat, feeds and recurring groups. English and Tiếng Việt.
nhom.app →
Mines of Idle DoomathKeep the crew mining. Just answer the maths.
An idle game about a crew working a very deep shaft. Solve an equation, earn minerals, buy miners, sink a new shaft. Free, no paywall.
Play in browser →
Who we are
−4 Kelvin LLC — Limited Liability Company (LLC), formed in Texas, United States. This site is published on the organization’s own domain.