Submitted by twovests in killallgames
the blue prince gets to the antechamber, and finds it's actually a TENET-style time machine. he goes back in time, gaining steps in each room, and leaves the compound entirely to meet the RED PRINCESS. her name is silksong.
together, they score a cross-promotional deal with their mother, DAIRY QUEEN. but you learn silksong is a double agent, conspiring under the tutelage of the BURGER KING to take control of the estate. the only way to save everyone is to go to the very start of time itself, and solve even more puzzles. the ULTIMATE RIDDLE, even,