Note: This is a full, detailed walkthrough of the game. There are spoilers.

Pump Room - Collect Crowbar
The Adventure Begins - Use Crowbar on Crate, Drop Crowbar
Corridor 1E - Circuit Board
Flooded Storeroom - Circuit Board
Upper Storeroom - Circuit Board, Collect Pump Handle
Pump Room - Use Pump Handle
Upper Caves - Elevator Keycard
Waterfall - Collect Rope
The Adventure Begins - Collect Chainsaw
Corridor 1E - Drop Rope
Corridor 1F - Enter Chemistry Lab
Chemistry Lab - Collect Empty Flask, Circuit Board
First Floor - Use Elevator Keycard
Fire Extinguishers - Fire Extinguisher, Circuit Board
Somewhat Chilly - Drop Empty Flask, Circuit Board
Behind the Waterfall - Small Key
Second Floor - Open locker for Circuit Board, Use Small Key on locker
Corridor 2F - Circuit Board
Corridor 2E - Enter Destroyed Lab
Destroyed Lab - Use Fire Extinguisher, Collect Watering Can
Barricade - Circuit Board, Use Chainsaw, Drop Chainsaw
Gold Mine Entrance - Collect Dynamite
Chemistry Lab - Collect Super Glue
Corridor 1E - Drop Super Glue, Enter Greenhouse
Greenhouse - Collect Plant, Get Circuit Board, Drop Plant
Greenhouse - Give Watering Can, Get Storeroom Keycard
Corridor 1E - Drop Storeroom Keycard, Collect Super Glue
Hot and Explosive - Use Dynamite, Collect Diamond
Bats! - Circuit Board
Lower Mineshaft - Drop Superglue
Upper Mineshaft - Collect Shears
First Floor - Drop Shears
The Basement - Use Diamond
A Giant Tank - Collect Workshop Keycard
Somewhat Chilly - Circuit Board, Activate Machine
S of Somewhat Chilly - Collect Cryogenic Liquid
Second Floor - Collect Cheese
Third Floor - Drop Cheese
Workshop Entrance - Use Workshop Keycard
Workshop - Collect Umbrella, Collect Grease, Circuit Board
Upper Caves - Drop Grease
Lower Caves - Use Cryogenic Liquid, Circuit Board
Waterfall! - Collect Skull Key
Behind the Waterfall - Collect Oxygen, Circuit Board
Waterfall - Drop Umbrella
Ice Cavern - Collect Lighter, Circuit Board
Upper Caves - Drop Lighter, Drop Skull Key, Collect Grease
Lower Mineshaft - Collect Super Glue
Freedom? - Circuit Board, Use Grease, Use Super Glue, Use Oxygen
Waste Outlet - Collect Pickaxe, Circuit Board
Upper Caves - Collect Lighter, Collect Skull Key, Use Pickaxe
Top of the Waterfall! - Circuit Board
Buried Treasure - Collect Spade
Corridor 1E - Drop Lighter, Collect Rope
Greenhouse - Use Spade, Use Rope
Buried Treasure - Use Skull Key, Record Code, Move Treasure Chest
Corridor 1E - Drop Spade, Collect Lighter, Collect Storeroom Keycard
Corridor 2F - Use Storeroom Keycard
Storeroom - Collect Acetone, Collect Work Gloves, Circuit Board
Chemistry Lab - Use Work Gloves, Collect USB
Upper Storeroom - Use Acetone, Use Lighter
First Floor - Collect Shears
Control Room - Enter Code, Use USB, Circuit Board
Top Floor - Circuit Board
Acidic! - Circuit Board
Generator Room - Collect Electric Motor, Circuit Board
An Old Elevator - Use Electric Motor, Collect Gold Nugget
Forgotten Storeroom - Collect Paintbrush
Barricade! - Circuit Board
Storeroom - Use Paintbrush
Corridor 2D - Enter Recharge
Recharge - Collect Armored Cable
Third Floor - Bypass Guards
Entrance - Use Armored Cable, Use Machine, Circuit Board
An Old Tree - Collect Fern, Get Circuit Board, Drop Fern
Vines - Use Shears, Drop Gold Nugget, Circuit Board
Toxic Waste - Get Fuel, Circuit Board
An Old Tree - Collect Branch
Workshop - Use Fuel, Collect Wrench
Third Floor - Collect Cheese
Generator Room - Use Wrench
Air Vents - Circuit Board, Use Cheese
Robot Factory - Collect Tarpaulin
Freedom? - Use Branch, Use Tarpaulin