The login system is backed by strict multi-accounting detection. Logging into multiple accounts from the same IP address can lead to automated flags, as having "feeder accounts" is a common exploit in the genre.
As a browser-managed game, the Wargame 1942 Login typically utilizes standard email/password authentication. wargame 1942 login
It happens to the best of us. Here is the password recovery pipeline: The login system is backed by strict multi-accounting