CrystalID
One account for everything on CrystalSky — chat, game progress, comments, favourites. Self-hosted, no tracking, no third-party trust required.
One login, every app
Sign in once and unlock Chat, the Guestbook, Game high-scores, comments — every CrystalSky service, no extra accounts.
Your stuff, kept for you
Game saves, settings and history follow you between browsers and devices. Switch machines without losing progress.
Self-hosted & private
Hosted in Germany on our own hardware. No trackers, no ad networks, no third-party identity provider in the middle.
Ready in 20 seconds
Pick a username, set a password. Email is optional — add it later if you want recovery.