📜 : Early in its development (around 1999/2000), Halo was originally being built as a real-time strategy (RTS) game for Mac and PC. There were brief considerations for a third-person shooter on consoles before Microsoft bought Bungie in 2000 and made it an Xbox exclusive first-person shooter.
This is the curveball. In 2018, a light-gun arcade game called Halo: Fireteam Raven was released. It runs on PC hardware inside an arcade cabinet. Some arcade cabinets look black and boxy like a PS2. A confused parent might have bought a converted arcade unit thinking it was a console game, but no.