What we know so far:
I noticed no one has done this already, so I thought I'd throw together a quick list of all of the things we've found out on Die Rise so far, I plan to update it as we make progress and get to the point of solving the Easter egg. So here we go:
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Clues/Tools
1. PHD Flopper is in the first elevator shaft in spawn, but it is blocked off by an invisible wall
2. There are gold tiles scattered around on the map, they don't seem to do anything yet
3. There are TVs scattered around the map. they don't turn off, and each one makes a different noise.
4. There are new "NovaNinjas" that give off some purple smoke when they are killed.
5. There is a new perk "Who's Who" Which allows you to go into a ghost-like state and wander through the map with intent to revive yourself, but maybe for other things as well?
6. There is a new wonder weapon called the Sliquifier that you can build that shoots a soap-like liquid that speeds you up when you walk on it and works essentially the same as a Wunderwaffe.
7. There is a new buildable Nav Card station that accepts your TranZit Nav Card. You also get a new Nav Card on Die Rise, but it does NOT work back in TranZit
Quotes:
1. Starting round (Maxis)
2. When buying the SVU (Or other snipers?) (Maxis)
2.5 When buying the SVU (Or other snipers?) (Richtofen)(Samuel only)
3. When turning on the power (Richtofen)(Samuel only)
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That's about all I think we've gotten so far, If you have any other clues, tools or quotes I may have missed, leave them in a reply. Thanks guys.