Gold Finder is a clone/deriviative of Lode Runner (from Broderbund Software (before they themselves briefly entered the Coco market))... a game that was available on many platforms, from the Apple II to the IBM PC. It came with 70 levels, and was slightly different than the other clones (Gold Runner I/II, Digger)... the guards don't pick up the gold, and once you grab a gold piece, it gets put on the elevators on the right hand side, which takes it to the top of the screen. When you get the last gold on a level, you can not exit off the top of the screen to the next level until the gold makes it all the way up on the elevator.
A couple of other unique things with Gold Finder compared to the other Coco clones: 1) There is an options screen, that allows you to select things independently for each player, including starting level, and which disk drive to load levels from (which means a 2 player game can conceivably have completely different levels for each player), and 2) You can design and save your own levels, beyond the 70 that came built in. The ads claimed that it could save up to 306 levels per disk. Unfortunately, and I don't know if this is because of the copy I currently have, or just that I don't know how to get into it, there is a level editor to make your own levels. If anyone knows how to get that work, email me.
A brief side note: While I am not 100% sure, I have been told that Troy Motz was only 16 when he wrote Gold Finder.
Title: Gold Finder
Author: Troy Motz
Publisher: Tom Mix Software
Released: 1986
Requires: Color Computer 1,2,3, 32K RAM, disk, joystick.