Amplitude Studios celebrates their fifth anniversary by announcing a new expansion called Endless Legend Shifters, more details on Endless Legend 2, and word to expect more unlockable content for all their Endless games, helping them live up to their titles. Here's word on "Endless Day," which, while not literally endless, is closer to a week than a day:

Award-winning indie developer Amplitude Studios celebrated its annual ‘Endless Day’ yesterday with new unlockable content for it’s games as well as a livestream which announced more details about Endless Space 2 and a new expansion pack for Endless Legend named Shifters.

During ‘Endless Day’ players are encouraged to play Amplitude Studios’ Endless Space, Endless Legend, and Dungeon of the Endless (PC) before Monday 25th of January to unlock the Endless Archivist hero and permanently unlock him, as well as a special Steam achievement in each of the games.

“This ‘Endless Day’ marks the fifth anniversary of our studio, we want to thank all the players and supporters for making us what we are today” said Romain de Waubert de Genlis, creative director at Amplitude Studios. “2016 is going to be a very exciting year for us, and we hope you all stick along for the ride.”

During Amplitude’s livestream the team announced an all new expansion pack for Endless Legend called Shifters, launching in April. This expansion will include a new Major Faction called The Allayi. This new civilization will be able to ‘shift’ during long winters. All factions will also be able to collect a new resource called the ‘Pearls of Auriga’, enabling them to unlock new powers through the ‘Altar of Auriga’ and modify the upcoming winters’ impact.