The first generation of wormhole caches published in 2010, the series started with three caches. The second generation published on April 1st of 2012, with the addition of even more wormholes than the first generation. When people thought the wormholes were down and out, an explosion of caches published on April 1st of 2016. This was the third generation. This is the fourth generation, we hope you enjoy this April Fool’s Day prank!