New unnamed achievements were just added to Outer Wilds on steam. : r/ outerwilds

Outer Wilds – spoilerfree Hints & Solutions – lifeblogv6

After 434.2 hours of playing outer wilds, I've finally gotten every achievement in both the DLC and the base game!! (Minor spoilers) : r/ outerwilds

Achievements+ - Displays stock, DLC, and custom mod achievements on a menu screen and shows a popup when you earn one. (by @xen-42)

Outer Wilds - All 17 Achievements

Outer Wilds: Echoes of the Eye DLC adds 14 secret achievements

Haven't figured this one out yet : r/outerwilds

Finally 100% completed Outer Wilds : r/outerwilds

Finally, I've gotten them all! : r/outerwilds

EOTE *minor* spoiler] Artstation has some images from concept art for the DLC. There are 14 achievements in-game, but 15 on the art-station. Any guesses as to what this achievement would've been

Archeologist Achievement Help : r/outerwilds