On the home screen of Blackbox, most challenges appear as a box which is filled in with a solid color once completed. However, there are a few challenges which have an extra outline around them. W
Blackbox Guide: 10 More Challenging Puzzle Solutions – GameSkinny
Blackbox: Walkthrough Guide With All Puzzle Solutions – AppUnwrapper
Transaction-Packed - Desolation's Edge - Side Missions
Blackbox Guide: 10 More Challenging Puzzle Solutions – GameSkinny
Blackbox Guide: 10 More Challenging Puzzle Solutions – GameSkinny
Hints for EVERY PUZZLE : r/BlackboxPuzzles
Blackbox: Walkthrough Guide With All Puzzle Solutions – Page 2
PDF) Powering Up Developing Countries Through Integration?
Shop – Page 30 – Clearly Development
Transaction-Packed - Desolation's Edge - Side Missions
Blackbox: Walkthrough Guide With All Puzzle Solutions – Page 2
Profile Page Makeover, Part 2: the Prototype - Meta Stack Exchange