May 2017
I've done Corn, Rose and Citron (in that order)
But now, after I take the reward from Citron, the game asks me to open a new portal, but all are already opened.
P.S: Somehow, before I finished al missions, Dave told me that I actually HAD finished all missions and granted me access to the secret room.
Now I'm here, having to open an imposible portal and Dave-bot 3000.1 never appears on the secret room, and Dave 3000 can't be interacted with.
I believe it's all connected with the portal bug. Once the game gets that I have no more portals to open, all should be good (I guess).