Well, there's only Series 2 Chill. There's no Series 3 of that character. Series 2 and up have Wow Pows and change path features. I'm not sure what the behavior is for a Series 2 Chill in Giants; my guess is that it would act like a Series 1 Chill since that is what Giants knows. That also means don't expect any of the new Chill features in an old Game. This is exactly how Series 2 characters in Giants were played in SSA.
You can however play it in Swap Force and have all of the neat features.
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RIP GhostRoaster. He's reanimated as TakeYourLemons but occasionally is resurrected from the beyond when needed.
Edited 1 time - Last edited at 17:50:37 14/10/2013 by GhostRoaster