The developers of Sea of Remnants announced that a closed beta test will begin on December 4 for mobile devices (iOS and Android), PS5, Xbox Series and PC. Servers will be online at 03:00 Moscow time.

The test will have a limited number of participants, no in‑game purchases, and will offer rewards after the global release. Servers are located in the US, Europe and Asia, and the game will not support Russian language. Pre‑download starts December 1‑3, and the client can be downloaded from an invitation email.