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Deus Ex: Human Revolution Hints
How can I enter that laboratory?
1 of 11: Walk up to the guard next to the door to get a clue.
2 of 11: Look around for an access pass that can get you inside.
3 of 11: There's one in the security room whose locked door is near the two guards you passed earlier, but you won't be able to hack in unseen.
4 of 11: Look through the room's big window to see that there's a vent cover in the back.
5 of 11: Go around to the other side of the area and enter the open storage room.
6 of 11: It has a high-up vent cover that's blocked by two small crates.
7 of 11: Jump onto the nearby red crates, then move the two small crates out of the way so you can open the vent cover.
8 of 11: Crouch-hop over the oxygen canisters and enter the vent shaft, then go down to its other end.
9 of 11: Carefully drop down to the floor and stay crouched. You don't want any of the guards to see you in there through the windows.
10 of 11: Get the access card from the small tray with the helmets on it, then use the trays with tranquilizer darts on them to jump back up to where you can reenter the vent shaft.
11 of 11: Drop back down into the storage room, then go around to the lab guard and talk to him to get the entry door unlocked.
