arknights anniversary

Anniversary windows

Checked 2026-10-16

Anniversaries are server-local. The Chinese seventh anniversary is not the same week as a global celebration.

Anniversary windows, official store screenshot used as a reference still

Anniversary windows, second official store screenshot from the same listing

What is verified

Terra Wiki records CN 2026-05-01 to 2026-05-15 as the seventh anniversary and files celebration events such as Critical Phase Transition in that family.

What this page leaves out

Login rewards and free operators change every year. A single “anniversary rewards” bullet copied from an old post will be wrong. Check the event page for the year you mean.

Arknights Official Trailer - Critical Phase Transition — Celebration trailer published on the Arknights Official - Yostar channel.

Sources

Terra Wiki — Anniversary — CN seventh-anniversary window.