Halo Infinite. What? It's Halo, chances are you already know whether you're interested or not.
Halo: The Master Chief Collection is the comprehensive Halo experience following the story of protagonist John-117, the Master Chief.
Halo Wars is an RTS spin-off of the popular Halo series, taking place before the first game. In this game, you command your troops against a variety of enemies.
Halo Wars 2 is a real-time strategy video game set in 2559, 28 years after the first Halo Wars, and not long after the events of Halo 5: Guardians.