Knowledge Tree

The **Knowledge Tree** is a tab in PewDiePie: Tuber Simulator that can boost views and subs for different categories or reduce shipping time or increase stream time by leveling up different perks for Brains.

## Brains

Brains are a Currency used in the game to upgrade perks in the knowledge tree. They are gained through Leveling up, and completing major Quest.

## Tree Overview/Total Cost

Listed in order from right to left and top to bottom, separated by section:

**Green Section:**

* Views Boost - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Mastering - 10/10/10/10/10/15/15/15/15/25 - total 125 brains
* Special FX - 25/25/25/25/25/50/50/50/50/75 - total 400 brains
* Views Boost+ - 30/40/55 - total 125 brains
* Unlock Publish 2 - 25 brains
* Daily Quest - 50 brains
* Unlock Publish 3 - 75 brains
* Better Quests - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Daily Quest 2 - 75 brains
* 4th Option - 50 brains
* 5th Option - 75 brains
* Shipment 2 - 35 brains
* Faster Shipment - 25 brains
* Shipment 3 - 75 brains

**Blue Section:**

* Streaming - 2/2/2/2/2/2/2/2/2/5 - total 23 brains
* Stream Longer - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Stream Subs - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Publish Slider - 50 brains

**Purple Section:**

* Ad Duration - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Ad Boost - 50 brains
* Ad Shipping - 10/10/10/10/10/15/15/15/15/25 - total 135 brains
* Network Rebate - 50 brains
* Ad Duration 2 - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Ad Duration 3 - 5/5/5/5/5/10/10/10/10/15 - total 80 brains

**Cyan Section:**

* Cost Slider - 25 brains
* Sponsors - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Lucky - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Core Message - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Turbo Subs - 15 brains
* Need for Velocity - 10/10/10/10/20 - total 60 brains
* Brain Game - 30 brains
* Artificial AI - 50 brains
* Cycle Stabilizer - 25 brains
* Puggle Bling - 50 brains
* Bubble Power - 100 brains
* Dust Bubble+ - 50 brains
* Dust Bubble++ - 100 brains
* VIP Craniac - 50 brains

**Second Cyan Section:**

* Master Baiter - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Better Magnet - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Super Nitro - 5/5/5/5/5/10/10/10/10/15 - total 80 brains
* Mega Crusher - 10/10/10/10/10/15/15/15/15/25 - total 135 brains
* Cheaper Nests - 150 brains
* Ultra Crusher - 10/10/10/10/10/25/25/25/25/50 - total 200 brains
* LIT AF - 15/15/15/15/15/20/20/20/20/40 - total 195 brains

**Trend Section (same for all 11 rows):**

* Views+ - 2/2/2/2/2/2/2/2/2/5 - total 23 brains
* Expert - 5/5/5/5/5/5/5/5/5/10 - total 55 brains
* Subs+ - 5/5/5/5/5/5/5/5/5/10 - total 55 brains
* Daily Trend+ - 30/45 - total 75 brains

**Entire Tree Cost: 6006 brains!**

## List of Perks

### Green/Basic

#### Streaming

* Description: Stream and gain views while not making any videos
* Benefit: Get views when no videos are in production for a certain time
* Requirements: Initially available
* Braincost: 2
* Upgrades: 10

#### Streaming Longer

* Description: Allows you to stream for longer periods of time!
* Benefit: 360 minutes of streaming
* Requirements: Complete Streaming, 5,000 Subscribers
* Braincost: ?
* Upgrades: 10

#### Stream Subs

* Description: Streaming earns you subs!
* Benefit: 155 Subs per hour
* Requirements: Complete Stream Longer, 25,000 Subscribers
* Braincost: 10
* Upgrades: 10

#### Publish Slider

* Description: Tweak the duration that your videos take to complete. This also affects the Views and Subs earned.
* Benefit: Decide how long your videos will be
* Requirements: Complete Stream Subs, 2 mill Subscribers
* Braincost: ?
* Upgrades: 1

#### Ad Duration

* Description: Ads boost for videos published lasts longer!
* Benefit: Adds 6 minutes per level to boost.
* Requirements: 50,000 Subscribers
* Braincost: 80
* Upgrades: 10

#### Ad Boost

Description: Ads triple views instead of doubling them

* Benefit: Ads are more beneficial
* Requirements: Complete Ad Duration, 500,000 Subscribers
* Braincost: 50
* Upgrades: 1

#### Ad Shipping

* Description: Ads reduce shipping time!
* Benefit: Faster shipping. ?
* Requirements: Complete Ads Boost, 500,000 Subscribers
* Braincost: ?
* Upgrades: 10

#### Network Rebate

* Description: Reduce the cost of contributing to your network by 25%
* Benefit: Lower costs to donate to the network
* Requirements: Complete Ad Shipping, 2 mill Subscribers
* Braincost: ?
* Upgrades: 1

#### Ad Duration 2

* Description: Ads boost for videos published lasts longer!
* Benefit: 1:
* Requirements: Complete Ad Boost, 750 000 Subscribers
* Braincost: ?
* Upgrades: ?

#### Ad Duration 3

* Description: Ads boost for videos published lasts longer!
* Benefit: 1:
* Requirements: Complete Ad Duration 2, 3 mill Subscribers
* Braincost: ?
* Upgrades: ?

### Games, Cyan Perks

All Cyan perks are about Sponsor Eagle, Puggle and Craniac.

#### Cost Slider

* Description: Tweak the cost of a game of Puggle! This also affects the shipping time reduction.
* Benefit: Decide the cost of playing Puggle
* Requirements: Initially available
* Braincost: ?
* Upgrades: 1

#### Sponsors

* Description: Sponsor Eagle brings better prizes!
* Benefit: 10: 20%
* Requirements: Complete Cost Slider, 50 000 Subscribers
* Braincost: ?
* Upgrades: 10

#### Lucky

* Description: Puggle now has better prizes!
* Benefit: 10: 20%
* Requirements: Complete Sponsors, 150 000 Subscribers
* Braincost: ?
* Upgrades: 10

#### Core Message

* Description: Have a core message. Boost your subs
* Benefit: Increase subscribers by 50% per level
* Requirements: Complete Lucky, 250 000 Subscribers
* Braincost: 10-15
* Upgrades: 10

#### Puggle Bling

* Description: BUX caught in Puggle games are worth 2 Bux!
* Benefit: 2 Bux per catch in Puggle
* Requirements: Complete Lucky, 1 mill Subscribers
* Braincost: 50
* Upgrades: 1

#### Bubble Power

* Description: All time bubbles in Puggle games are worth 1 more!
* Benefit: higher time reductions in Puggle
* Requirements: Complete Puggle Bling, 3 mill Subscribers
* Braincost: ?
* Upgrades: ?

#### Dust Bubble+

* Description: Dust bubbles in Puggle earn 250 instead of 100
* Benefit: Earn more dust in Puggle
* Requirements: Complete Puggle Bling, 5 mill Subscribers
* Braincost: ?
* Upgrades: 1

#### Dust Bubble++

* Description: Dust bubbles in Puggle earn 500 instead of 250
* Benefit: Earn more dust in Puggle
* Requirements: Complete Dust Bubble+, 15 mill Subscribers
* Braincost: ?
* Upgrades: 1

#### VIP Craniac

* Description: Reduce cost to play craniac by half
* Benefit: Lower cost for Craniac
* Requirements: Complete Dust Bubble+, 10 mill Subscribers
* Braincost: ?
* Upgrades: 1

### Various

These perks work on boosters like magnets and nitro, hatching eggs, and earning Pixel Crusher.

#### Master Baiter

* Description: The Clickbait boost lasts longer!
* Requirements: Complete Cost Slider, 3 mill Subscribers
* Braincost: ?
* Upgrades: 10

#### Better Magnet

* Description: The Subscriber Magnet boost lasts longer!
* Benefit: 1: 10%
* Requirements: Complete Master Baiter, 6 mill Subscribers
* Braincost: ?
* Upgrades: ?

#### Super Nitro

* Description: The Shipping Nitro bost lasts longer!
* Benefit: 1: 10%| 2:
* Requirements: Complete Better Magnet, 10 mill Subscribers
* Braincost: ?
* Upgrades: ?

#### Mega Crusher

* Description: Earn more dust when crushing items!
* Benefit: 1: 5%
* Requirements: Complete Super Nitro, 15 mill Subscribers
* Braincost: ?
* Upgrades: ?

#### Cheaper Nests

* Description: The second and third nest cost 5 Bux less to unlock
* Benefit: Cheaper nests
* Requirements: Complete Super Nests, 25 mill Subscribers
* Braincost:
* Upgrades: 1

#### Ultra Crusher

* Description: Earn even more dust when crushing items!
* Requirements: Complete Mega Crusher, 30 mill Subscribers
* Braincost: ?
* Upgrades: ?

#### LIT AF

* Description: Earn LIT levels faster
* Benefit: 1: 10%
* Requirements: Complete Ultra Crusher, 250 mill Subscribers
* Braincost: ?
* Upgrades: ?

### Video Categories

All categories have their own perks and upgrade, including celebratory categories such as Halloween or Christmas. Since all upgrades are the same for each category, only one is listed.

#### Views+

* Description: Gain more views when doing \_\_\_\_ videos
* Benefit: Gain 85% more views per level
* Requirements: Initially available
* Braincost: 2
* Upgrades: 10

#### Expert

* Description: \_\_\_\_ videos are longer to make but generate more views
* Benefit: 25% videotime, 170% views per level
* Requirements: Complete Views+, 10 000 Subscribers
* Braincost: 55
* Upgrades: 10

#### Subs+

* Description: Gain more subs when doing \_\_\_\_ videos
* Benefit: 50% per level
* Requirements: Complete Experts, 25 000 Subscribers
* Braincost: ?
* Upgrades: 10

#### Daily trends+

* Description: Double the \_\_\_\_ daily trend bonuses
* Benefit:
* Requirements: Complete Subs+, 1 mill Subscribers
* Braincost: ?
* Upgrades: ?