Rumpus live coding sandbox for room-scale VR released on Steam

Rumpus is a live-coding playground for room-scale VR as the developer calls it. In other words, it allows to view code change, visually live on the VR headset right in front of you in real-time. This sandbox environment is developed for the HTC VIve and requires at least 2x1.5m play area.

https://www.youtube.com/watch?v=pnEdY2Qttvw

This sandbox platform is available in Early Access vis Steam.

Is it for programmers, is it a game, I don’t get this one.