The Control symbols HRA Lab puzzle in the Research Sector that you need for the HRA machine to please Marshall can be difficult to figure out since the answers and strewn across the room in a way that isn’t immediately apparent. That seems to be the inspiration for everything in this game. Some thinking will more than get you to the finish line. But if you want the solution to the puzzle with the cards, then here’s what order you need to put them in.
Control Symbols HRA Lab Puzzle | Where to get the cards
The five cards are all in the room where the puzzle is but the fifth one in a side room up the stairs. But that is not the hard part.
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Control Symbols HRA Lab Puzzle | What order to put the cards in
The hard part is getting them in the right order. Each card has a symbol on it and every terminal has a number on the side in tape. There are five of them and just like the cards, four of them are in the same room and one is upstairs. Examine each card and look on the side of each terminal to know where to put them. The answers are on each of the whiteboards and you need to cross reference the answers that are not crossed out. But following the guide below on the solution would be easier.
This is the card for the first terminal (above).
The second terminal needs the card with the filled in center.
This odd card is for the third terminal.
The fourth terminal is the upstairs one. Make sure to grab the card up there too.
This is the final card. Now you have helped Marshall make HRAs again, saving the FBC employees from the Hiss.
