Unnamed Space Idle – Base 4 Guide

USI Guide to Tier 4 Base with Helpful Tips

This base is unlocked by clearing Sector 54. Your primary focus early on is mats income for the first 4 slots, then you can start working on parts income for some slots.

Some Notes:

  • Do NOT level up parts too much, since the drain is very big early on.
  • In any setup that contains parts, you can replace parts with components.
  • For AFK setups, use the parts-focused setup of your choice, then replace one of the parts with a component.

More mats income after unlocking both of the 2e7 mats slots.

Early half mats & parts setup.

The next 3 setups have both of the 2e9 mats slots unlocked. There’s a mats-focused one, a parts-focused one, and a half-mats-and-parts one.

Reminder: you can replace one of the parts with a component to turn the setup below into an AFK setup.

However, since the drain is pretty big this early on, AFK setups might not be viable yet.

The next 3 setups have both of the 5e9 parts slots unlocked. You can start levelling up parts a little bit.

As usual, there’s a mats-focused setup, a parts-focused setup, and a half-mats-and-parts one.

Reminder: you can replace one of the parts with a component to turn the setup below into an AFK setup.

However, since the drain is pretty big this early on, AFK setups might not be viable yet.

The next 3 setups have both of the 2e11 mats slots unlocked.

Reminder: you can replace one of the parts with a component to turn the setup below into an AFK setup.

However, since the drain is pretty big this early on, AFK setups might not be viable yet.

The next 3 setups have both of the 5e13 parts slots unlocked. It is probably safe to level up parts alongside mats at this point.

Reminder: you can replace one of the parts with a component to turn the setup below into an AFK setup.

The next 3 setups have both of the 2e15 mats slots unlocked.

Reminder: you can replace one of the parts with a component to turn the setup below into an AFK setup.

The next 3 setups have the 2e18 mats slot unlocked.

Reminder: you can replace one of the parts with a component to turn the setup below into an AFK setup.

The next 3 setups have the 5e17 parts slot unlocked.

Reminder: you can replace one of the parts with a component to turn the setup below into an AFK setup.

All the setups below will assume you have all slots unlocked. The better parts/components setups shortly after unlocking all slots will require using 4 drain reducers to maximize drain reduction.

Eventually, you can use 2 drain reducers without having negative income.

Components-Focused Setup:

It maximizes drain reduction while maximizing components income. The component can be replaced with a part, and if you do, you can replace the part in the bottom-right (and the 3 drain reducers affecting it) with mats and boosters.

AFK Setup:

If you are far enough in the game, then the 3 setups below will be sustainable, despite using 2 drain reducers.

I sincerely hope this was helpful. Good luck to you!

Volodymyr Azimoff
About Volodymyr Azimoff 13596 Articles
I love games and I live games. Video games are my passion, my hobby and my job. My experience with games started back in 1994 with the Metal Mutant game on ZX Spectrum computer. And since then, I’ve been playing on anything from consoles, to mobile devices. My first official job in the game industry started back in 2005, and I'm still doing what I love to do.

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