The Halo Covenant alphabet is used in the Halo video games to write the languages of some of the characters, and also as a cypher for messages in English.
Information about the Halo Convenant alphabet
Halo Convenant font
If you need to type in many different languages, the Q International Keyboard can help. It enables you to type almost any language that uses the Latin, Cyrillic or Greek alphabets, and is free.