Welcome to the Dead Reckoning: Lethal Knowledge Walkthrough.

Can you catch a murderer that’s terrorizing a local university?

Whether you use this document as a reference when things get difficult or as a road map to get you from beginning to end, we’re pretty sure you’ll find what you’re looking for here.

This document contains a complete Dead Reckoning: Lethal Knowledge game walkthrough featuring annotated screenshots from actual gameplay!

We hope you find this information useful as you play your way through the game. Use the walkthrough menu below to quickly jump to whatever stage of the game you need help with.

Remember to visit the Big Fish Games Forums if you find you need more help. Have fun!

This walkthrough was created by Margie B, and is protected under US Copyright laws. Any unauthorized use, including re-publication in whole or in part, without permission, is strictly prohibited.

Walkthrough Menu

General Tips

  • This is the official guide for Dead Reckoning: Lethal Knowledge.
  • This guide won’t tell you when to zoom into a location; the screenshots show each zoom scene.
  • Hidden-object puzzles are referred to as HOPs. Only the locations of the HOPs will be shown.
  • Use the Map to fast travel to a location.

Chapter 1: Dawson’s Office

Dead Reckoning: Lethal Knowledge
Dead Reckoning: Lethal Knowledge

  • Take CAR KEY (A).
  • Use CAR KEY; take HARNESS and STONE COMPASS (B).
  • Arrange lock (C); take INVITATION, Tablet, and BRUSH.
  • Drag BRUSH and place STONE COMPASS (D). Select both latches (orange).
  • Move items; take AIR PUMP. Look at note and open backpack; take HARNESS STRAP (E).
  • Select HARNESS twice; place HARNESS STRAP; receive REPAIRED HARNESS.
  • Place REPAIRED HARNESS (F).
  • Select Tablet, my apps, and hang-time (G).
  • Solution (H).
Dead Reckoning: Lethal Knowledge
  • Give INVITATION (I).
  • Take EUROPEAN FLAG and OIL (J).
  • Select coin (K); take COINS 1/3 (L).
  • Go (M).
Dead Reckoning: Lethal Knowledge
  • Approach table (N).
  • Select 1-6.
  • Select scene and open newspaper. Find differences (O).
  • Connect circles (P). Select table (Q).
  • Play HOP (R); receive STRANGE CODE.
Dead Reckoning: Lethal Knowledge
  • Use OIL (S).
  • Walk down and go (T).
Dead Reckoning: Lethal Knowledge
  • Take COINS 2/3 (U).
  • Go (V).
Dead Reckoning: Lethal Knowledge
  • Take POOL PICTURE (W).
  • Select Tablet, My Apps, and Camera. Select plus sign twice (X) and camera once (Y).
  • Talk (Z).
  • Select Tablet and 1-3 (@1).
Dead Reckoning: Lethal Knowledge
  • Select 1-3 (@2).
  • Open folder; take COINS 3/3 (A).
  • Return to Café.
Dead Reckoning: Lethal Knowledge
  • Insert COINS 3/3 (B). select C-D; take GOLDSTEIN NAME PLATE (E).
  • Open backpack (F). Play HOP; receive USB CABLE.
  • Go to Main Hall.
Dead Reckoning: Lethal Knowledge
  • Look at note. Place GOLDSTEIN NAME PLATE (G); take ATOM SYMBOL (H).
  • Walk down.
  • Place ATOM SYMBOL; take INTRICATE BOX (I).
  • Go to Dawson’s Office.
Dead Reckoning: Lethal Knowledge
  • Place USB CABLE and STRANGE CODE; enter 2-4-5-8-6 (J). Select email icon and eject. Take TYPEWRITER KEYS (K).
  • Place TYPEWRITER KEYS (L); take DNA SEQUENCE and select key (M).
  • Pan down; take key (N) and insert (O-O1).
  • Select fragment; close drawer (P-Q-R-S).
  • Take SIGMA LETTER (T).
  • Go to University Entrance.
Dead Reckoning: Lethal Knowledge
  • Pan up and place DNA SEQUENCE; take USA FLAG (U).
  • Go (V).
  • Place EUROPEAN FLAG (W); rotate right twice. Place USA FLAG.
Dead Reckoning: Lethal Knowledge
  • Select My apps and Student History on Tablet.
  • Solution (1-9). Rotate left and right to access all flags.
  • Take QUILL SYMBOL (W).
  • Go to Dawson’s Office.
Dead Reckoning: Lethal Knowledge
  • QUILL SYMBOL on INTRICATE BOX; look at note and take SECURITY KEY.
  • Use SECURITY KEY; look at note and take SECURITY CARD (X).
  • Walk down.
  • Select monitor and use SECURITY CARD (Y); select monitor again (Z).
Dead Reckoning: Lethal Knowledge
  • Solutions one and two (A-B).
  • Drag arrow (C) and select screen (D).
  • Take TALON (E).
  • Walk down.
Dead Reckoning: Lethal Knowledge
  • Place TALON (F); take BOOK SYMBOL (G).
  • BOOK SYMBOL on INTRICATE BOX; take ALLEN WRENCH.
  • Go (H).
  • Use ALLEN WRENCH twice; remove cover and take CHAIN (I).
  • Walk down.
Dead Reckoning: Lethal Knowledge
  • Place CHAIN (J); pull (K).
  • Go (L).
  • Place SIGMA LETTER (M); take POOL BALLS and ALPHA PLATE (N).
  • Go (O).

Chapter 2: Fraternity House

Dead Reckoning: Lethal Knowledge
  • Take LACROSSE TROPHY and TEA INFUSER (P).
  • Place POOL BALLS and POOL PICTURE; arrange (Q).
  • Take HOURGLASS (R).
  • Take LETTER HALF (S).
  • Walk down.
Dead Reckoning: Lethal Knowledge
  • Place HOURGLASS (T). Play HOP; receive HEART SYMBOL.
  • Go (U).
  • HEART SYMBOL on INTRICATE BOX; take WIRE CUTTERS.
  • Use WIRE CUTTERS; take HOSE and BROKEN EXTINGUISHER (V).
  • Use BROKEN EXTINGUISHER and go (W).
Dead Reckoning: Lethal Knowledge
  • Talk (X).
  • Select evidence (1-7).
Dead Reckoning: Lethal Knowledge
  • Take PINBALL BUTTON and WAX STICK (Y).
  • Walk down.
  • Place PINBALL BUTTON (Z).

Dead Reckoning: Lethal Knowledge
Dead Reckoning: Lethal Knowledge

  • Solutions (A-B).
  • Take LOCK PART and TENNIS TROPHY (C).
  • Go to Oliver’s Room.
Dead Reckoning: Lethal Knowledge
  • Place LOCK PART and move shirts; take BATTERIES 1/2. Use AIR PUMP; take BASKETBALL (D).
  • Place BASKETBALL; select Ex2-F.
  • Play HOP (G); receive INTRICATE LOCK.
  • Place LACROSSE TROPHY and TENNIS TROPHY (H).
Dead Reckoning: Lethal Knowledge
  • Solution (I).
  • Look at note; take BUTTERFLY TOKEN (J).
Dead Reckoning: Lethal Knowledge
  • Flip INTRICATE LOCK; take MATCHES.
  • LETTER HALF, WAX STICK, and MATCHES on ALPHA PLATE. Drip wax over both cracks (K); receive ALPHA LETTER.
  • Go to Park.
  • Place ALPHA LETTER (L); take CADUCEUS (M).
  • Go (N).
Dead Reckoning: Lethal Knowledge
  • Place CADUCEUS; take HAIR BOW TOKEN (O).
  • BUTTERFLY TOKEN and HAIR BOW TOKEN on INTRICATE LOCK; receive WORKING LOCK.
  • Walk down.
  • Place WORKING LOCK (P).
Dead Reckoning: Lethal Knowledge
  • Solution (Q).
  • Enter (R).

Chapter 3: Sorority House

Dead Reckoning: Lethal Knowledge
  • Select scene.
  • Select 5 flowers (S); receive CHAMOMILE.
  • Take EARRING (T).
  • Go to Book Club (U).
Dead Reckoning: Lethal Knowledge
  • Take POLAROID CARTRIDGE and BROKEN STICK (V).
  • Walk down and go (W).
  • Look at book (Y). Use EARRING; take TREE ORNAMENT (X).
  • Go to Book Club.
Dead Reckoning: Lethal Knowledge
  • Move pillow; place TREE ORNAMENT; take MAGNET (A).
  • Use MAGNET to drag key (B) to exit (C). Insert key in lock (D).
  • Take POLAROID CAMERA and ROSEMARY (E).
  • Walk down.
  • Look at note; place TEA INFUSER, CHAMOMILE, and ROSEMARY. Select machine; take HERBAL TEA (F).
  • Go (G).
Dead Reckoning: Lethal Knowledge
  • Give HERBAL TEA (H).
  • Find Evidence (1-4).
  • Take CAMERA LOCK (I).
  • Go to Book Club.
  • Place CAMERA LOCK; open case; remove cover (J).
Dead Reckoning: Lethal Knowledge
  • Solution (@1). Select wires and connect with pins: (A-D-E-F)-(B-H-G)-(C-I-J-K).
  • Place: (N-N1)-(O-O1)-(P-P1)- (L-L1)-(M-M1)-(Qx3).
  • Take HAIR DRYER and THREAD.
  • Go to Oliver’s Room.
Dead Reckoning: Lethal Knowledge
  • Play HOP (Q); receive COAT HANGER.
  • THREAD on BROKEN STICK; select twice; receive LACROSSE STICK.
  • Use LACROSSE STICK (R); receive QUEEN FIGURES 1/3.
  • Go to Park.
Dead Reckoning: Lethal Knowledge
  • Select HOSE; place COAT HANGER; take GRAPPLING HOOK.
  • Use GRAPPLING HOOK (S) and go.
  • Look at note; use HAIR DRYER (T).
  • Open fridge; take DOG FOOD (U).
  • Take GLOW STICK (V).
  • Go to Sorority House.
Dead Reckoning: Lethal Knowledge
  • Use GLOW STICK; take QUEEN FIGURES 2/3 (W).
  • Go (X).
  • Place DOG FOOD (Y); select collar (Y1) receive QUEEN FIGURES 3/3 and pet dog.
  • Go to Rest House.
  • Place QUEEN FIGURES 3/3 (Z).
Dead Reckoning: Lethal Knowledge
  • Solution (A).
  • Look at note; take LENS and COFFEE STIRRER (B).
  • Use COFFEE STIRRER; take GLUE and RADIO KNOB (C).
  • Go to Sorority House.
Dead Reckoning: Lethal Knowledge
  • Place RADIO KNOB; select 4-3-3; take BATTERIES 2/2 (D).
  • Go to Alison’s Room.
  • POLAROID CARTRIDGE and BATTERIES 2/2 on POLAROID CAMERA; select button; take PHOTO.
  • Place PHOTO; position doll (E). Take FLASH DRIVE (F).
  • Use FLASH DRIVE (G).
Dead Reckoning: Lethal Knowledge
  • Solution (H-I-J).
  • Take SCARF (K).
  • Go to Park.
Dead Reckoning: Lethal Knowledge
  • Use SCARF (L); take ROUND MECHANISM.
  • Walk down.
  • Place ROUND MECHANISM (M).
Dead Reckoning: Lethal Knowledge
  • Solution: Nx3-Ox4-Nx4-Ox4-Nx2-Ox4-Nx2.
  • Go (P-Q).

Chapter 4: University

Dead Reckoning: Lethal Knowledge
  • Take BACK SCRATCHER (R).
  • Use BACK SCRATCHER (S); receive BOMB.
  • Take FROG STATUE 1/3 and GLOVES (T).
  • Walk down.
Dead Reckoning: Lethal Knowledge
  • Use BOMB; take FROG STATUE 2/3 (U).
  • Go (V).
Dead Reckoning: Lethal Knowledge
  • Take SMART PHONE (W).
  • Use GLOVES; receive FROG STATUE 3/3; take CONTAINER (X).
  • Walk down.
Dead Reckoning: Lethal Knowledge
  • Pan down and use SMART PHONE; take DISCIPULUS PASS (Y).
  • Place FROG STATUE 3/3 (Z). Play HOP; receive MAILBOX SIGN.
  • Go (Z1).
Dead Reckoning: Lethal Knowledge
  • Place MAILBOX SIGN; take PACKAGE (A).
  • Go (B).
Dead Reckoning: Lethal Knowledge
  • DISCIPULUS PASS on PACKAGE; take ASTOR LOGO.
  • Place ASTOR LOGO (C) and LENS (D); play HOP.
  • Play puzzle (E).
Dead Reckoning: Lethal Knowledge
  • Solution (F).
  • Go (G).
Dead Reckoning: Lethal Knowledge
  • Look at note; take RATCHET (H).
  • Walk down.
  • Use RATCHET twice; take CAR BATTERY (I).
  • Go (J).
Dead Reckoning: Lethal Knowledge
  • Open cover; place CAR BATTERY (K).
  • Select (M-L).
  • Play HOP (N); receive SCISSORS.
  • Go (O).
Dead Reckoning: Lethal Knowledge
  • Select valve 2x (P).
  • Take GLASS PIECE 1/2 (Q).
  • Use GLUE and select; receive MORTAR AND PESTLE (R).
  • Use SCISSORS (S); take RUBBER TUBE.
  • Walk down.
Dead Reckoning: Lethal Knowledge
  • Place CONTAINER (T); remove cap (U) and insert RUBBER TUBE; take GASOLINE.
  • Go (V).
  • Remove cap; use GASOLINE (W).
Dead Reckoning: Lethal Knowledge
  • Solution (1-9). Solved image (X).
  • Walk down and go forward.
Dead Reckoning: Lethal Knowledge
  • Look at note; receive EMPTY FUSE (A).
  • Take KNIFE and INSTRUCTIONS (B).
  • Select 2x; use KNIFE and open box; take PEPPERMINT (C). Move box; take SAND (D).
  • Go to Generator Room.
Dead Reckoning: Lethal Knowledge
  • Place INSTRUCTIONS; select E-F-E; take TRIANGULAR DECORATION and WIRE (G).
  • Go to Bunker Hall.
  • Remove lid from EMPTY FUSE; add SAND and WIRE; receive FUSE.
  • Place FUSE (H); pull handle (I).
Dead Reckoning: Lethal Knowledge
  • Remove cover; play HOP (J); receive DIAL.
  • Take BIRD FIGURE 1/2; look at note (K).
  • Look at note (L).
  • Go (M).
  • Place DIAL (N); select (O-P-Q).
  • Take STETHOSCOPE and EMPTY LIGHTER (R).
  • Place STETHOSCOPE; Left to 50 and right to 15 (S).
  • Take SYRINGE (T).
  • Walk down.
Dead Reckoning: Lethal Knowledge
  • Put down PEPPERMINT and MORTAR AND PESTLE. Put down SYRINGE; select 2x (U).
  • Select mortar and pestle (V); Take SMELLING SALTS (W).
  • SMELLING SALTS on scene.
  • Go (X).
Dead Reckoning: Lethal Knowledge
  • Take BIRD FIGURE 2/2 (Y).
  • Go to Bunker Hall.
  • Take MACHINE SLOT (Z).
  • Go to Experiment Chamber.
Dead Reckoning: Lethal Knowledge
  • Place MACHINE SLOT; take MEDICAL TONGS (A).
  • Use MEDICAL TONGS (B); receive X-RAY.
  • Walk down.
Dead Reckoning: Lethal Knowledge
  • Place X-RAY; arrange as shown (C); take SWITCH.
  • Walk down.
  • Place BIRD FIGURE 2/2 (D).
  • Go (E).

Chapter 5: Plan Room

Dead Reckoning: Lethal Knowledge
  • Look at note (F).
  • Go (G).
  • Place SWITCH and select it (H).
  • Play HOP (I); receive MODEL BUILDING.
  • Walk down.
  • Place MODEL BUILDING (J).
Dead Reckoning: Lethal Knowledge
  • Solution (K).
  • Select 1-4.
  • Take NAIL CLIPPER and KEY CHAIN (L).
  • Go to File Room.
Dead Reckoning: Lethal Knowledge
  • Use NAIL CLIPPER; take GLASS PIECE 2/2 and MORSE CODE (M).
  • Walk down.
Dead Reckoning: Lethal Knowledge
  • Place GLASS PIECE 2/2; take COIL (N).
  • Place COIL and MORSE CODE; select: O-P-O-Px2-O-P. Take KEY RING (purple).
  • Take PENDANT from KEY CHAIN.
  • KEY RING on KEY CHAIN; select middle key; receive CABINET KEY.
  • Go to File Room.
  • Use CABINET KEY (R).
Dead Reckoning: Lethal Knowledge
  • Solution (1-12).
  • Take EVIDENCE (S).
  • Go to Bunker Hall.
Dead Reckoning: Lethal Knowledge
  • Show EVIDENCE (T).
  • Select (U); select book (V) and notes inside 5x.
  • Take IMPROVISED LOCKPICK (W).
  • Use IMPROVISED LOCKPICK (X).
  • Solution: (Ex2-B-Cx2-H-I).
  • Enter (Y).

Chapter: 6 Disciple’s Hall

Dead Reckoning: Lethal Knowledge
  • Look at magazine (J).
  • Select rack and place PENDANT; take DUCT TAPE and GLASS CUP (K).
  • Go (L).
Dead Reckoning: Lethal Knowledge
  • Use GLASS CUP and select; take HOT WATER (M).
  • Use HOT WATER; select 429 (N).
  • Go (O).
Dead Reckoning: Lethal Knowledge
  • Open locker; take DIPLOMA (P).
  • Take MARBLE (Q).
  • Select cord (R). Use DUCT TAPE (S). Plug in both cords (orange).
  • Select calendar 2x (V).
  • Select camera icon under my apps on tablet; select (W).
Dead Reckoning: Lethal Knowledge
  • Select lock; enter 31199 (X).
  • Select book (Y) Play HOP: receive COLLEGIUM KEY.
  • Select evidence (1-4).
  • Go to Disciple’s Hall.
Dead Reckoning: Lethal Knowledge
  • Use COLLEGIUM KEY (A).
  • Go (B).
Dead Reckoning: Lethal Knowledge
  • Open; take BUTTERFLY KEY and WEIGHTS 1/3 (C).
  • Take TOOLBOX KEY (D).
  • Place TRIANGULAR DECORATION and select. Open book; take MOSAIC PIECE 1/4 (E).
  • Go (F).
Dead Reckoning: Lethal Knowledge
  • Place MARBLE and select; take MOSAIC PIECE 2/4 (G).
  • Walk down and go (H).
  • Play HOP (I); receive WEIGHTS 2/3.
  • Go to Staff Room.
  • Place DIPLOMA (J).
Dead Reckoning: Lethal Knowledge
  • Solution (K-L).
  • Take WEIGHTS 3/3 (M).
Dead Reckoning: Lethal Knowledge
  • Use BUTTERFLY KEY; take VALVES 1/2 and LIGHTER FLUID (N).
  • LIGHTER FLUID on EMPTY LIGHTER; receive FILLED LIGHTER.
  • Go to Security Room.
  • Place TOOLBOX KEY; take VALVES 2/2 (O).
  • Go to Front of Office.
Dead Reckoning: Lethal Knowledge
  • Place VALVES 2/2; select each one (orange); take MOSAIC PIECE 3/4 (P).
  • Go to Rosemarie’s Office.
  • Place WEIGHTS 3/3; swap weights (Q).
  • Go (R).
Dead Reckoning: Lethal Knowledge
  • Use FILLED LIGHTER; take PRINTER TONER (S).
  • Walk down.
  • Open cover; place PRINTER TONER (T). Take PAPER CODE.
  • Go to Duff’s Office.
  • Lift rug; place PAPER CODE (U).
Dead Reckoning: Lethal Knowledge
  • Solution (6-3-2-1-4-7-8-9-6-5).
  • Take SENSORY REMOTE.
  • Go to Rosemarie’s Office.
Dead Reckoning: Lethal Knowledge
  • Look at photo (@).
  • Use SENSORY REMOTE; take SWISS FLAG (V).
  • Go to Duff’s Office.
  • Place SWISS FLAG; look at note; take MOSAIC PIECE 4/4 (W).
  • Receive WALKIE-TALKIE.
  • Go to Disciple’s Hall.
Dead Reckoning: Lethal Knowledge
  • Place MOSAIC PIECE 4/4 (X). Play HOP; receive TROPHY TRINKET.
  • Place TROPHY TRINKET (Y).
  • Go (Z).
Dead Reckoning: Lethal Knowledge
  • Talk (A).
  • Select Evidence (1-8).

Dead Reckoning: Lethal Knowledge
Dead Reckoning: Lethal Knowledge

  • Take cover (B).
  • Use WALKIE TALKIE on scene (C).
  • Solution Solution (G-D-F-E-F-D-F-E-F-D-F).
  • Congratulations, you’ve completed Dead Reckoning: Lethal Knowledge!

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