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Autobuy 2000, or the Junk Shop, sells useful upgrades to your pod. Drills make you drill faster and help offset the harder soil as you get deeper. Fuel tanks increase the time you can spend away from the fuel station, Cargo bays and Engines increase your carrying capacity while the latter also increases your movement speed, Hulls increase your total health, and Radiators can reduce damage taken from lava and gas pockets.

You begin the game with "Stock" versions of the 6 types of equipment (called "Micro" for Fuel tank and Cargo bay), which has the lowest effectiveness. It is not possible to revert back to "Stock" versions once you bought the upgrade and saved. However, you can buy a lower-tier piece of equipment even if you already have a higher-tier version, replacing the latter. This generally represents a waste of cash and should be avoided.

Ancient Blueprints (Goldium Edition only) found deep underground randomly gives you upgrades that are even more powerful than the highest tier upgrades from the shop.

Priority[]

A Fuel Tank (e.g. Huge Tank) is usually the first upgrade you should buy, since the tank you start with will only last about 30 seconds of digging before running low on fuel, and the pod explodes instantly when fuel is empty. Then, buy a Drill (e.g. Goldium Drill) as your speed in digging depend strongly on it. For anything above -4000ft, prioritize these two upgrades.

Hull and Radiator are unnecessary until you go below -4000ft (as long as you don't drill into lava), when invisible gas pockets begin to appear and will kill you instantly when dug into (increasing in frequency and damage further you go). Einsteinium Hull (120 HP) and Puron Cooling (60% effectiveness) will allow you to reach Amazonite to fund the final upgrades and go through the Ending.

Cargo Bay is usually not a priority and cheaper upgrades are serviceable. Engine is largely irrelevant if you can use Quantum Teleporters to get back to the surface in seconds.

Drills[]

Name Cost($) Drilling Speed (ft/s)
Silvide Drill 750 28
Goldium Drill 2000 40
Emerald Drill 5000 50
Ruby Drill 20000 70
Diamond Drill 100000 95
Amazonite Drill 500000 120

Hulls[]

Name Cost ($) Health
Ironium Hull 750 17
Bronzium Hull 2000 30
Steel Hull 5000 50
Platinum Hull 20000 80
Einsteinium Hull 100000 120
Energy- Shielded Hull 500000 180

Engines[]

Name Cost($) Horsepower
V4 1600cc 750 160
V4 2.0 Ltr Turbo 2000 170
V6 3.8 Ltr 5000 180
V8 Supercharged 5.0 Ltr 20000 190
V12 6.0 Ltr 100000 200
V16 Jag Engine 500000 210

Fuel Tanks[]

Name Cost($) Capacity(Liters)
Medium Tank 750 15
Huge Tank 2000 25
Gigantic Tank 5000 40
Titanic Tank 20000 60
Leviathan Tank 100000 100
Liquid Compression Tank 500000 150

Radiators[]

Name Cost($) Effectiveness
Dual Fans 2000 10%
Single Turbine 5000 25%
Dual Turbines 20000 40%
Puron Cooling 100000 60%
Tri-Turbine Freon Array 500000 80%

Cargo Bays[]

Name Cost($) Capacity(cu ft)*
Medium Bay 750 15
Huge Bay 2000 25
Gigantic Bay 50000 40
Titanic Bay 20000 70
Leviathan Bay 100000 120

*Each ore takes up ~1 cu ft but more valuable ores are also heavier, so fewer can be lifted with a given engine.

Trivia[]

  • Buying a Fuel Tank also fills it, and buying a new Hull also fully repairs it.
  • Autobuy 2000 has the lowest version designation number out of the 4 shops (2000). It also has the most generic name and the only one that does not indicate the type of business. As mentioned by Mr. Natas in the opening message, all shops are run autonomously without living operators.
  • Silvide Drill is the only Drill with its material not spelt exactly the same as the mineral (Silverium). It and the Goldium Drill are the only Drills that are more expensive than 1 of the namesake mineral; all higher-grade Drills are worth exactly 1 piece of the mineral.
  • Most equipment has 6 tiers of upgrades bought from Autobuy 2000. The two exceptions are Radiators, which lack the cheapest upgrade, the Cargo Bays, which lack the most expensive upgrade. This is likely because Radiators are only useful against lava and gas pockets, usually at -3000 ft., so it won't be useful in early game; the final Cargo Bay upgrade is unnecessary because by late game, the limiting factor is the Engine, as the most valuable minerals become too heavy to lift long before the Cargo Bay would be full.
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