>>535251421
With with a dimensional split tied to Little Planet's time of arrival to Never Lake

>In the Modern Dimension Little Planet arrived later in the year, making Sonic CD happened after the Angle Island Crisis thus causing Chaotix to not happen and Metal Sonic to be the last robo-Sonic, but in the Classic Dimension; Little Planet came earlier in the year causing CD happened after Sonic1, allowing Chaotix to occur