Plants Vs Brainrots Season 1 update patch notes

The Plants Vs Brainrots Season 1 update was rolled out on November 22, 2025. This update introduced a major gameplay system to the experience: the battle pass. Alongside the Season Pass, the game includes the Corrupted Plant Pantry Event, a variation of the event from the previous week. Accompanying these elements are new Brainrots, a new Biome, two new Rebirth levels, and many new changes.

Find out what the Season 1 update adds to the game by reading through the patch notes below.

Everything added with the Plants Vs Brainrots Season 1 update

Season Pass

The new Season Pass (Image via Roblox)

• New battle pass system that grants rewards with each level up.
• Features 35 levels in total for two separate rewards ladders: Free and Premium.
• You can earn Season Tokens, a new currency that can be used at the Season Pass Shop.
• The battle pass can be repeated.

Corrupted Plant Pantry Event

• A variation of the Plant Pantry Event.
• Submit Plants to the Corrupted Chef to apply the Corrupted Mutation.
• Corrupted Mutation multiplies the affected Plant’s HP in the Story mode by 10.

Find out everything you need to know about the Corrupted Plant Pantry Event by referring to this guide.

Plants and Brainrots

• The update adds four new Plants.
• You can get four new Brainrots from the Season Pass.
• One new Forbidden Brainrot and five Secret Brainrots can be obtained as well.
• A new Brainrot fusion has been added as well, called WL.

Brainrot Invasions

• 25 levels have been added as part of the Story missions.
• Completing all 25 levels unlocks the Birch Forest Biome.
• Birch Forest Biome includes the five aforementioned new Secret Brainrots.

Rebirths

• New Rebirth levels can be attained: level 12 and level 13.
• Attaining levels 12 and 13 expands inventory space.

New Cards

• 30 new Cards added to the game’s roster.
• They can be obtained through Expansion and Shiny Expansion Card Packs.

Brainrot of the Week

• A new Brainrot of the Week has been added.
• Rewards for finding the Brainrot of the Week have been refreshed.

Fixes and QoL improvements

A Corrupted Pumpkin (Image via Roblox)

• Secret Admin Brainrot Fusion has been added.
• Card Merging UI has been adjusted.
• The Cards Inventory now includes a Search function.
• Cards can now be deleted.
• Added a Plant Scale visual setting to help manage the on-screen presence of giant plants.

Also read: Unique Roblox username ideas for new players

FAQs on Plants Vs Brainrots

When was the Season 1 update released in Plants Vs Brainrots?

The Season 1 update was added to the game on November 22, 2025.

How many levels does the Season Pass feature?

The Season Pass features 35 levels in total.

What is the new Fusion Brainrot added with the Plants Vs Brainrots Season 1 update?

The Season 1 update added the WL Brainrot as the new Fusion unit.

Edited by Swapnil Joshi