GHOST 1.0

Cards are needed to progress into the game, so this achievement is unavoidable. The Green Card is in the Center Zone. They are always divided in five parts per Zone (except the blue card on Tutorial Zone which comes full). The room which the cards are stored have a small key sign next to it's door and will always be guarded by two Security Robots. Inside of it, the music will change to the one like the 3D Printer Rooms and it contains a panel with the Card picture for you to pick, a Skill Point pickup shaped like a circle with a Star inside and, if playing on Survival, a panel with a item. Find five rooms in the Center Zone to unlock the achievement.

If you're having trouble to find those rooms, open up the map and look for blue blinking triangles on the side of the rooms. These blue triangles means that you haven't visited the rooms to that direction and the card fragment could be to that side. Red triangles means that direction is blocked, usually because you don't have the card needed to access that room and the green triangle means you just got the card enough to access that room.