The winners for some of the challenges were not exactly straightforward, but here's what I got:
Crazy Cutter: Mora and King Xerneas
Mario Bandstand: Mora
Key-pa-Way: No one
Face Lift: scattered mind
Cypher's Face Lift: Mora and scattered mind
Tugo' War: Mora
Bash 'n' Cash: ??? Maybe Scattered since I believe he hit me the most iirc?
Burried Treasure: Keeper of Night
Balloon Burst: Keeper of Night
Pipe Maze: Scattered Mind
Treasure Divers: Mora
Crane Game: No one
Shy Guy Says: Mora
Slot Car Derby: Mora
Tight Rope Treachery: Keeper of Night
Tug o' War: Mora, scattered mind, Keeper of Night
Bowl Over: Mora
Running of the Bulb: Mora, scattered mind, Keeper of Night
Crane Game: Keeper of Night
Face Lift: scattered mind
Desert Dash Part 1: ???
Desert Dash Part 2: scattered mind and King Xerneas
Crazy Cutter: Mora and King Xerneas
Mario Bandstand: Mora
Key-pa-Way: No one
Face Lift: scattered mind
Cypher's Face Lift: Mora and scattered mind
Tugo' War: Mora
Bash 'n' Cash: ??? Maybe Scattered since I believe he hit me the most iirc?
Burried Treasure: Keeper of Night
Balloon Burst: Keeper of Night
Pipe Maze: Scattered Mind
Treasure Divers: Mora
Crane Game: No one
Shy Guy Says: Mora
Slot Car Derby: Mora
Tight Rope Treachery: Keeper of Night
Tug o' War: Mora, scattered mind, Keeper of Night
Bowl Over: Mora
Running of the Bulb: Mora, scattered mind, Keeper of Night
Crane Game: Keeper of Night
Face Lift: scattered mind
Desert Dash Part 1: ???
Desert Dash Part 2: scattered mind and King Xerneas