Pixel Kong is one of the six skins released under the Arcade Games offer in mid August 2017.
Pixel Kong could be purchased for $4.99 in a deal that includes 3250 coins. It could also be purchased for $19.99 in a deal that included the Techno Kid skin and either 50000 coins (Browser) or 1800 DNA (Mobile). It was not available for individual purchase and may not be available for purchase in the future.
Details of this offer may vary depending on location and platform.