In a reminder of how curiosity in retro gaming, programming and technology can combine to dramatic affect online, a video exploring 'How "oldschool" graphics worked' has gone viral this week. Published by The iBookGuy on 17th August, it's already amassed over one million views at the time of writing.

It's a great watch, primarily because it breaks down and explains in simple terms some basic concepts of how pixel and sprite-work was produced on the Commodore 64 and NES. In what is only part one of a series, it's explained how artists in the '80s dealt with limitations in colours per cell to nevertheless produce impressive work, in addition to showing how the coding works on a basic level.

It's a fascinating watch, and a breakthrough for the channel that may see it carry on with the series for some time yet. Check it out and let us know what you think.