Greed: The Mad Scientist Written Walkthrough (Nintendo Switch)

writ­ten 1/5/2026, updat­ed 1/6/2026

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Read Greed 2

Read Greed 3

  • Pub­lished: Join­dots
  • Plat­form Played: Nin­ten­do Switch 2
  • Price: Bun­dled Price; MSRP: $15.99
  • Rat­ed: E10 (Mild Blood, Mild Vio­lence, Tobac­co Ref­er­ence)
  • Genre: Adven­ture
  • Date Released: March 7, 2024

Greed: The Mad Sci­en­tist was orig­i­nal­ly released Dec 17, 2018 by Urchin Games and then re-released for more mod­ern con­soles in 2024. It is the first game in the series. This walk­through was start­ed because I ran into a weird glitch and could not find the answers either in-game or online. In the end, though it did allow me to pro­ceed, I restart­ed the game and was able to enjoy it the way it was meant to be played. Although the graph­ics seem like it’s some­thing from the ear­ly 2000’s, the game­play is fine and smooth.

Game Start

Watch the intro cin­e­mat­ics

Part 1: Arrival (Tutorial)

  • Talk to Sara, and take the let­ter
  • Inspect the sign and take the Brick, Han­dle, and read the note
  • Look on top of the gate pil­lar and take the Light­bulb and Hook
  • Look inside the car, take the Car Keys, then press the red but­ton
  • Look inside the trunk

Hidden Object Puzzle — Car Trunk

  • Get Chained Hook and Screw­driv­er
  • Use the Chained Hook on the gate pad­lock
  • Look at the back of the car and attach the oth­er Hook
  • Use the Car Keys inside the car
  • Go through the gate
  • Watch the cutscene

Part 2: Pontoon Laboratories

  • Click on the box on the ground. There’s noth­ing you can do with it now
  • Look at the glow­ing con­sole next to the main door
  • Take the Fuse and Bat­tery x2
  • Look at the small win­dow of the guard­house
  • Take the Com­put­er Chip then use the Brick on the glass
  • Take the Fuse
  • Look at the fuse box to the left of the main door
  • Use the Han­dle then Fuse x2

Fuse Puzzle

This is a mem­o­ry puz­zle. Flip the switch­es in the cor­rect order

Solu­tion: Red, Pink, Yel­low, Brown, Blue, Orange, Green

  • Go into the now open Secu­ri­ty Check Point
  • Take the Draw­er Key and Pool Ball from the desk
  • Take the Bat­tery from the notice board
  • Take the Bat­tery and Valve from the plant
  • Take the LED from the oth­er desk and use the Draw­er Key
  • Read the paper and note the safe code (6807)
  • Look at the wall safe

Wall Safe Puzzle

Change the num­bers to ful­fill the code (6807)

Solu­tion: Change the num­bers in order from col­umn 4, then 2, then 1, then 3

  • Take the Blank Card
  • Look at the machine on the desk
  • Use the Bat­tery x4, then Blank Card

Card Machine Memory Puzzle

This is a mem­o­ry puz­zle

  • Take the Access Card and Bat­tery x4, then use them on the glow­ing door con­sole
  • Go into the Lab­o­ra­to­ry Recep­tion
  • Watch the cutscene
  • Take the Crow­bar and use it on the fire extin­guish­er glass
  • Take the Fire Extin­guish­er and Valve
  • Go down the Cor­ri­dor
  • Take the Rag and read the note
  • Use the Valve x2 on the pipes with the steam com­ing from it

Pipe Valve Pressure Puzzle

Turn the valves so that all the dials turn to 0

Just turn them until you get the answer

  • Click on the pile

Hidden Object Puzzle — Corridor

  • Get the Drill Bit, Com­put­er Chip, and Clip­pers
  • Use the Drill Bit under the gur­ney for a Ham­mer Drill
  • Go back to the Recep­tion and use it on the fil­ing cab­i­net
  • Take the Wrench and read the note
  • Use the Rag on the por­trait on the wall
  • Go into the Cor­ri­dor
  • Use the Nut and Wrench on the gur­ney
  • Go into Dr. Good­win’s Office
  • Read the note on the ground
  • Take the Cab­i­net Key and Lighter on the cof­fee table
  • Use the Cab­i­net Key on the glass cab­i­net
  • Take the Com­put­er Chip, Fin­ger­print Kit, and Glass Clean­er
  • Take the Charg­er from the desk, then use the Fin­ger­print Kit on the lamp
  • Take the Fin­ger­print
  • Use the Screw­driv­er on the secu­ri­ty cam­era for a CD
  • Go back to Recep­tion, use the Fin­ger­print on the read­er, then use the CD in the dri­ve
  • Note the Door Code (58741)
  • Use it on the Cor­ri­dor door key­pad
  • Go Out­side
  • Click on the mon­ster, then watch the cutscene
  • Use the Crow­bar on the wood­en box
  • Take the Fun­nel, then use the Lighter on the blow­torch
  • Use the Blow­torch on the met­al door
  • Go into the Gen­er­a­tor Room
  • Use the Bulb on the over­head light
  • Take the Chain, Com­put­er Chip, and Remote from the desk
  • Look at the pile next to the gen­er­a­tor

Hidden Object Puzzle — Generator

The first time I played this game, this puz­zle glitched out and dis­ap­peared

  • Get Pul­ley Wheel, Snake Grab­ber, and Elec­tri­cal Tape
  • Go Out­side, use the Pul­ley Wheel and Chain on the pil­lars, to get a Cop­per Plate
  • Use the Snake Grab­ber under the train for a Cop­per Plate
  • Use them on the gen­er­a­tor

Generator Puzzle

Spin the cir­cles until you solve the puz­zle

In my glitched out ver­sion of this game, I was some­how able to play this puz­zle despite being unable to get the cop­per plates

  • Get the Skele­ton Hand and Com­put­er Chip
  • Go into Dr. Good­win’s Office
  • Click on the skele­ton, use the Skele­ton Hand, and refer to the note Sara orig­i­nal­ly had to prop­er­ly ori­ent it and unlock the door
  • Inside Dr. Good­win’s Side Room, take the Ring from above the por­trait, and use it on the wall safe

Wall Safe Puzzle

Spin the rings to open the safe

Solu­tion: Solve the inner ring first, then the out­er ring, and the mid­dle one

  • Take the CD, Pool Ball, LED, and Com­put­er Chip
  • Read the note
  • Back in Recep­tion, use the new CD in the dri­ve
  • Watch the cutscene

Part 3: Upstairs

  • Take the Gas Mask, and use it on the acidic stair­case

In my glitched out game, I did­n’t need the gas mask to view the acidic stair­case

  • Go into Dr. Good­win’s Side Room, and take the pH2 Bot­tle
  • Go back and use it on the acidic stair­case

Because it makes so much sense to com­bat high­ly acidic chem­i­cals with a high­ly acidic chem­i­cal

  • Go upstairs
  • Take the Emp­ty Can
  • Go into the Wash­room
  • Look at the sink, read the note, then take the Beaker and Bug Spray
  • Go back and down the hall
  • Use the Bug Spray on the pump to get a Bug Spray Pump
  • Look at the shelf on the wall

Hidden Object Puzzle — Upstairs Corridor

  • Get Glass Jar and Deter­gent
  • Use the Clip­pers on the bro­ken ele­va­tor pan­el for a Wire
  • Go back­wards and use the Bug Spray Pump on the scor­pi­on in the tool­box
  • Take the Trow­el and Wrench
  • Go into the Wash­room
  • Use the Wrench on the valve
  • Look in the show­er and take the Pipe and Coin
  • Go back down the hall­way and use the Trow­el on the loose floor­board
  • Take the Tile Piece back a room, and use it on the exhaust fan for a Brief­case Ring
  • Go down the hall­way and into the Ward
  • Use the Pipe on the machine on the counter and take the Vac­u­um Clean­er
  • Look at the dead flow­ers between the bed and use the Glass Jar on the poor Hon­ey­bee (prob­a­bly starv­ing)
  • Release it near the nox­ious fumes in the back of the Ward
  • Use the Vac­u­um Clean­er (…what…?)
  • Take the Brief­case Ring
  • Go back to the Wash­room and use the Brief­case Ring x2 on the box on the ground
  • Read the threat­en­ing note, then take the Det­o­na­tor
  • Back out a room, use the Det­o­na­tor, Wire, and Elec­tri­cal Tape on the giant rub­ble block­ing the door to Bar­wick­’s Office
  • Head on in
  • Look at the big desk for a cutscene
  • Look under it and take a Com­put­er Chip and Knob
  • Look at the small desk and take the Nitro­gen (LN2 is liq­uid nitro­gen) and Coin Bot­tle
  • Go back to the hall­way and use the Knob on the brown doors (…how does that just fit and work?)
  • Go into the Cafe­te­ria
  • Take the Lighter, Box Cut­ter, and Draw­er Key
  • Take the Syphon Pipe and Paper Scraps from the waste­bas­ket
  • Take the Squeegee from the near the vend­ing machine
  • Go back to Bar­wick­’s office and use the Box Cut­ters on the box­es (it stays they’re sealed, but I don’t see any tape any­where on them)

Hidden Object Puzzle — Barwick’s Office

  • Get Coins, Pool Ball, and Repair Kit
  • Use the Repair Kit on the bro­ken ele­va­tor pan­el
  • Go way back to the Out­side
  • Look under the door and take the cap off the train’s fuel tank
  • Use the Emp­ty Can­is­ter and Syphon Hose
  • Go into the Gen­er­a­tor Room and use your new Filled Diesel Can to fill it up
  • Go back to the Ward
  • Use the Paper Scraps, Lighter, and Coin Bot­tle in the bowl (Why could­n’t we just break the bot­tle?)
  • Pick up the Scis­sors, use them on the cur­tain, and take the Coin
  • Go to the Cafe­te­ria and use the Coins x4 on the vend­ing machine
  • Take the Juice Pack and use it on the giant radioac­tive ants near­by
  • Take the Ante­na ([sic], they mean Anten­na) Part that they were try­ing to eat
  • Use the ele­va­tor to go to the Roof
  • Take the Lad­der
  • Read the note on the bird’s nest, then take the Train Key and Pin
  • Click on the pile of stuff

Hidden Object Puzzle — Roof

  • Get Lubri­cant and Pool Ball
  • Head down the ele­va­tor to the Ward and use the Pin on the IV bag. You’ll auto­mat­i­cal­ly catch the liq­uid in the Beaker and now you have NaCl (sodi­um chlo­ride)
  • Go across to the cafe­te­ria and use the Lubri­cant on the door
  • In the Staffroom, take the Pool Ball on the sofa, then use the Scis­sors on the sofa to get the Foam
  • Use the Draw­er Key on the wood dress­er and take the Ante­na Part
  • Use the Pool Ball x5 on the box on the pool table

Pool Ball Puzzle

There aren’t any instruc­tions because you’re sup­posed to use the first clue Sara gave you in the game

Solu­tion:

832

497

651

  • Take the Ante­na Part
  • Go to the Wash­room and use the Deter­gent and Foam in the water buck­et to get Soapy Foam
  • Don’t for­get to take the Water Buck­et, too
  • Go back up the roof and use the Soapy Foam, then Ante­na Part x3

Antenna Puzzle

Use the red dials to move the lasers into the cor­rect ori­en­ta­tion

I have no idea how they’re sup­posed to be ori­ent­ed. SKIP!

  • Go down into the secret room!
  • Read the note on the ground
  • Take the Dag­ger from under­neath the desk, use the Charg­er in the sock­et, then read the mon­i­tor
  • Click on the haz­mat suit in the ground

Hidden Object Puzzle — Secret Room

  • Take LED, Glass Cut­ter, and Access Card
  • Head back to the Cor­ri­dor to use the Access Card on the laser-barred door across from Good­win’s Office which is the Radi­ol­o­gy Lab
  • Use the Nitro­gen then Fire Extin­guish­er on the red-hot cab­i­net thing
  • Inside, take the Brush (Duster) and Knob (which are some­how not burnt to a crisp)
  • Look at the sil­ver tube on the large glass biore­ac­tor thing, and use the Water Buck­et to snag the Knob
  • Use the Knob x2 on the con­sole next to the huge door

Radiology Console Puzzle

Turn the knobs until all 4 columns are lev­el with the red line

Solu­tion (Click to Expand)
  1. Turn the Yel­low Knob to show 3 bars
  2. Turn the Green and Red knobs to show no bars
  3. Turn the blue knob to show 5 bars above the red line
  4. Turn the blue and yel­low knobs to reach the red line
  5. Red Knob goes last
  • Advance into the X‑Ray Room
  • Take the Chain Cut­ter (Bolt Cut­ters)
  • Use the Glass Cut­ter on the dis­play case and take Sam Blood Sam­ple
  • Use the Dag­ger then Remote Con­trol on the wax above the machine
  • This opens the glass tube where you can take the Logo Part (Looks sus­pi­cious­ly like test tubes)
  • Go back out and use the Chain Cut­ter on top of the stair­case
  • Click on it to knock it over the side and go for­wards into the Stor­age Area
  • Use the Brush on the shelv­ing, then take the Engine Oil
  • Use the Lad­der under the cab­i­nets, then open them

Hidden Object Puzzle — Storage Area

  • Get the Logo Part, Com­put­er Chip, and Weld­ing Machine

Part 4: End Game (END)

  • Go Out­side to the train and use the Train Key on the front
  • Go into the train and click on the pile on the ground

Hidden Object Puzzle — Train

  • Get Bul­let
  • Use the Fun­nel and Engine Oil on the hole under the win­dow
  • Use the Glass Clean­er and Squeegee on the dirty win­dow
  • Go down the Tun­nel… except the lever is bro­ken and you can’t!
  • …But that’s okay because all you have to do is put the bro­ken lever togeth­er and use the Weld­ing Machine

WAIT!

  • Before going full speed ahead, trav­el back to Bar­wick­’s Office and use the Bul­let in the Gun on the desk to take it
  • OKAY, NOW, go ahead back to the train and into the Tun­nel
  • Use the Gun
  • Check out the sign, then take the Logo Part from near the cones
  • Inspect the bar­ri­ers ahead, read the note, then use the Chain Cut­ter
  • Use the Chain­saw (…I’m not actu­al­ly sure where I got this from. I just noticed it in my inven­to­ry along the way)
  • Go into the Aban­doned Lab
  • Look at the machine on the left and read the note
  • Look at the mon­i­tor and lis­ten to Good­win (He seems con­fi­dent that only Sara would have made it this far)
  • Look at the counter on the right and take the Com­put­er Chip and Gam­ma Ray Emit­ter
  • Go all the way back to the Secret Room (from the Roof)
  • Look at the machine on the right, use the LEDs and Gam­ma Ray Emit­ter

LED Light Puzzle

The mon­i­tor to the left of this machine tells you that this machine will cre­ate the Elixir. The do that “You need to align the LED’s in such a man­ner that no 2 of the same col­or are con­nect­ed to each oth­er.”

It’s not hard, just a lit­tle tedious to move the lit­tle lights. Many dif­fer­ent answers are pos­si­ble

  • Take the Elixir and the Gam­ma Ray Emit­ter
  • Go WAAAY back to the very begin­ning of the game and use the Logo Parts x3 (Wad­dya know, they actu­al­ly are logo parts)
  • Take the Cap­sule
  • Go through the gates. Remem­ber that box the mon­ster threw at you? Use the Com­put­er Chip x9, and take the Bac­te­ria
  • With all the parts in hand, skip on back to the Aban­doned Lab (come to think of it, how long has this lab been aban­doned with all the vines grow­ing like that in front of it? Seems to still be pow­ered. Does that mean Good­win pre­dict­ed this a real­l­l­l­ly long time ago?)
  • Check out the machine to the left

Make the Cure!

Remem­ber­ing Good­win’s instruc­tions on the mon­i­tor, put the cure togeth­er in order:

Solu­tion (Click to Expand)
  1. Elixir
  2. Cap­sule
  3. Bac­te­ria
  4. Sam’s Blood Sam­ple
  5. NaCl
  6. Gam­ma Rays
  • Watch the cutscene

GAME COMPLETE

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aowam

RDH, Dog mom, gamer, eater, creator

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