Karts Foray is a free kart racer and a learning prototype, built in Unity on top of Photon's Fusion Karts sample. The sample supplied the kart handling, the Fusion networking layer and the menus; the work here is everything layered on top of it. The largest addition is a full field of AI drivers that race the player rather than pad the grid — they follow a baked racing line, brake into corners, draft each other, and use items offensively. Three new item skills extend the sample's kit: a drift charge that fills the boost bar faster the longer a drift is held, a ring of three orbiting shields that flings anyone who touches it off the road, and a crossbow bolt fired straight down the track. Drivers are selectable characters who sit in the kart and steer along with the player, and a slipstream system gives a tow to anyone tucked in behind another racer, with enough momentum left after pulling out to make the overtake stick. Races run online with one player hosting, or offline against the AI field, across two tracks and three karts. The project is free and non-commercial, packaged as a Windows build and distributed on itch.io; the credits list everything it is built from.