Look, I animated the Portal 2 ending in Blender. It took a while, but I'm satisfied by my standards. Unfortunately it wasn't enough for the end, I was too lazy and didn't want to model the whole house xD. Maybe you'll find some Eastereggs, there's also some cake (if I'm not lying). Maybe you have some ideas what I could do next, I don't have so many.
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I think it's a Really awesome recreation to the ending. I'm also really glad to see someone else make Valve related stuff in Blender.