Played with software, without trailers on version 1.6.1 | there are 2,147,483,640 coins (don't look at the minus, you can buy there, advice: spend at least 500k. Otherwise, it will go into the real minus) | in the second save there are 2 billion.

Installation:

Throw the file along the path C:\Users\РК(computer name)\Documents\My Games\TerraTech\folder with numbers\Saves\player name\Campaign

Author: QuackishCasper