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For version 1065 on GOG of the game Subterrain.
Played through on Easy Mode.

Looking forward to the Purification Update ( in 1 to 2 weeks? )

Quirks :
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No research results on "Oxygen Filter III" & "Thermal Regulator III" even though you can research them.
Do not change out the "Oxygen Filter & Thermal Regulator" in Central area. Has no effect. ( Easy mode? )
Multiple backpacks do not work. Trading out backpacks just leaves the load in the backpack worn.
No recycling for grenades or rotten/contaminated food scraps. Use the grenades and leave the rotten/contaminated food scraps.
No way to reduce infection rate permanently to "zero" in game version 1065.

Tips :
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Do not research everything. Limit yourself to only what you need directly tech wise.

Take every useless item found back to central for recycling. Especially electronics. ( electronics resin resource ). This supplies the bulk of your useable resources.

Limit production of items. Do not print two or three of everything. Print one only for continuation of research. When you have reached a tech plateau, then print an extra for use.

Research priorities :
#1 Data Chips
#2 Reactor cores
#3 Oxygen Filters / Thermal Regulators
#4 Weapons
#5 Armour

Watch your power levels from the central power room closely. Balance your power usage.

Keep your four core facilities infections as close to "zero" as possible. Greatly retards global infection rate.

The Elevators, Oxygen & Thermal Generators at ALL sites require power to be activated / usable.
One Elevator power switch on every level with Elevator access. Must be turned on to use the Elevator.

The level of "Oxygen Filter / Thermal Regulator" in local site use, directly effect the local site infection rate.

Spoilers :
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Data Chip Locations :
( search all suitcases )
Data Chip Level 2 Engineering, Carson Hotel, Floor Level 4
Data Chip Level 2 Research, Viking Square, Floor Level 4 ( inside the vent system )
Data Chip Level 2 Mine, Solar Casino, Floor Level 4
Data Chip Level 2 Bio, Spirit Plaza, Floor Level 4

( one of these L3 Data Chips is in the Better Bar puzzle, solve to receive. Forgot to take a note. )
Data Chip Level 3 Engineering, Aries District, Floor Level 3
Data Chip Level 3 Research, Gemini District, Floor Level 3
Data Chip Level 3 Mine, Leo District, Floor Level 3
Data Chip Level 3 Bio, Pisces District, Floor Level 3

Data Chip Level 4 Engineering, Leo District, Floor Level 9
Data Chip Level 4 Research, Pisces District, Floor Level 9
Data Chip Level 4 Mine, Gemini District, Floor Level 9
Data Chip Level 4 Bio, Aries District, Floor Level 9 ( hidden in cat, shoot the cat to receive. )

Oxygen and Thermal Generators :
( take a new Oxygen Filter / Thermal Regulator with you ).
Oxygen Generator on Level 3, Thermal Regulator on Level 5, for the following locations :
Spirit Plaza, Viking Square, Carson Hotel, Solar Casino

Oxygen Generator on Level 6, Thermal Regulator on Level 10, for the following locations :
Aries District, Gemini District, Leo District, Pisces District.