Exploring the R.P.D.

Through the newly unlocked left door is the waiting room: a storage chest and a Police Memorandum file — read it to learn a safe combination you'll need soon.

Past the window there's a small locked table — open it with the Lockpick for a First Aid Spray. Continue down the corridor: a dead officer has more Handgun ammo, and a blood pool ahead triggers a cutscene introducing a Licker. Use the Bowgun on it if you have one, otherwise just run past into the hallway beyond (there's a Green Herb here too if you can grab it safely).

The first door leads to the meeting room — grab the Operation Report File 1 on the table, you'll need to come back later. Continue past the zombie-filled hallway into the Dark Room, which has a storage chest, a typewriter, Handgun ammo, an Ink Ribbon, and Operation Report File 2.

Head upstairs and find the statue holding a red gem — push the gray statue onto the floor tile to its left, then push the red statue onto the tile to its right, and the gem drops free (with Handgun ammo hidden behind the statue).

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Through the door to the right, enter the S.T.A.R.S. office: Chris's desk has his diary and the Unicorn Medal, and the closet holds a Grenade Launcher. A fax arrives for Chris as you leave — grab it too.

Retrace your steps to the Main Hall, watching for zombies breaking through the boarded meeting room windows and using the Grenade Launcher on any Licker in your path. Place the Unicorn Medal in the fountain at the center of the hall to get the Spade Key.

With the Spade Key, return to the corridor where you fought the Licker and open its locked door into the Records Room (patrol report file and Ink Ribbon). Push the small ladder inside all the way to grab a Crank Handle on a shelf. Head back to the S.T.A.R.S. office hallway — a girl is being chased by a zombie. Kill it, then use the Spade Key on the door at the end of the hall (it's consumed on use) to reach the Lounge. Leon briefly appears here and hands you a radio.

Open the small locked table down the right hallway with the Lockpick for Incendiary Grenades, then head into the Library. Climb to the top before the floor collapses under you, dropping you into a hidden alcove with a plaque showing the correct shelf layout. Press the wall button to activate the shelves, then push the buttons on the first and second shelves from the left to slide both of them to the right. This matches the plaque and opens the hidden compartment holding the Snake Stone.

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Clear the zombies in the second-floor hallway, activate the emergency stairs for a quicker route down, then enter the secretary's office (storage chest, typewriter, a Lighter, an Ink Ribbon, and Secretary's Diary A). Take the Lighter back to the meeting room's back office and use it on the fireplace to knock loose a second Red Jewel.

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Cross through the office's other door into a hallway on fire from a crashed helicopter, clear the two zombies there, then take the right-hand door into another hallway. Unlock the first door you see here but don't go in yet — you'll come back to it later. Continue past a dead officer's body (Handgun ammo) to the end of the hallway, where crows smash through the windows to attack — ignore them and head through the door at the end onto the rooftop. On the roof, head down to the courtyard and into a small cabin (Valve Handle, a Bowgun, Ink Ribbon, and a typewriter). Return to the roof and use the Valve Handle on the water system to douse the helicopter fire (Handgun ammo hidden inside it once it's out).

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Back at the fire hallway, take both Red Jewels through the door at the end into the storage room. Use both jewels on the wall busts — the center suit of armor opens, revealing half of the Blue Stone.

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To its left is the Diamond Key, which opens the station's remaining locked rooms; an Ink Ribbon is hidden in one of the vases here.