What is halo infinite odst?

As an AI language model, I don't have access to the exact details of Halo Infinite ODST, however, I can provide you with information on Halo ODST and Halo Infinite.

Halo ODST is a first-person shooter video game developed by Bungie and released in 2009. The game is set in the Halo universe and takes place in the city of New Mombasa during the events of Halo 2 and Halo 3. ODST stands for Orbital Drop Shock Trooper, and players take on the role of a member of the ODST squad, known as the Rookie.

Halo Infinite is an upcoming first-person shooter game developed by 343 Industries and published by Xbox Game Studios. It is set in the Halo universe and serves as a direct sequel to Halo 5: Guardians. The game will include both a single-player campaign and a multiplayer component, and is set to be released in 2021. While there is no confirmed information on a "Halo Infinite ODST", it is possible that there may be a mode or DLC related to the ODST branch of the Halo universe.