Interface

This guide will help you understand the interface and you will be able to find out which sources with mods are the safest and most useful

FPS, shows how many frames per second you see on your monitor

Dig indicator (on/off)

Crystal balance, shows how many crystals you have in your inventory

Menu button, helps to optionally customize the gameplay

Open or hide chat

Additionally:

The Boom button (appears at a distance from spawn)
Allows you to destroy your robot, while destroying stones and crystals nearby

Boom