https://www.gamespot.com/articles/ark-survival-evolved-is-finally-out-after-two-year/1100-6452962/

Ark: Survival Evolved has been playable since 2015, but it's been in Early Access for that entire time. Today, it finally launches in full on Xbox One, PS4, and PC, and Studio Wildcard is throwing in some new content to mark the occasion.

Alongside its release, Ark is getting a substantial content update. This includes a full orchestral soundtrack, a new storyline, new end-game content, otters and phoenixes, and the Ragnarok DLC pack. Ragnarok is a free expansion that was built by community modders and adds a huge new island.