Plants vs Brainrots icon
Plants vs Brainrots wikiCodes, Stock, Plants & More

Plants vs Brainrots

Brainrots, fusions & rebirth planning

Information consolidated from the official Plantsvsbrainrots.com guide hub, the Roblox game listing, and IGN's September 2025 update.

Core brainrot archetypes

Stock Shop Exclusives

Limited-time brainrots that rotate through the Plantsvsbrainrots.com stock tracker. They deliver the highest passive cash drip when they idle in your backpack and many unlock unique fusion perks.

Source: plantsvsbrainrots.com/stock

Story Wave Drops

Common and Rare brainrots obtained from regular waves. Perfect for early fusions and cost-efficient damage boosts before you chase higher rarities.

Source: Roblox game description

Event & Boss Rewards

Mythic and Secret brainrots rewarded from seasonal events or boss rush queues. Pair with Legendary or Godly plants to activate the strongest mutation multipliers.

Source: IGN September 2025 article

Fusion steps

  1. 1Capture brainrots during waves or purchase them from the stock shop.
  2. 2Visit the Fuse Machine lobby (unlocked after the tutorial).
  3. 3Select a plant and a compatible brainrot to preview damage bonuses.
  4. 4Confirm the fusion—bonuses persist even after leaving the match.

Rebirth prep notes

  • Rebirth resets plant levels but keeps brainrot collection and unlocks new damage multipliers.
  • Aim to secure at least one Godly plant and two high-tier brainrots before attempting a rebirth run.
  • Stock up on grenades (e.g., Frost Grenade from the code 'frozen') to handle the first rebirth wave spike.

Quick links

Boss spawn timersFuse machine plannerLatest codes & gearPlay on Roblox ↗

Guaranteed drop system

  • Story bosses and challenge waves drop specific brainrots once per clear. The official site lists each guaranteed drop so you can plan fusions ahead of time.
  • Daily missions also award labelled brainrots—usually Rare tier—for newcomers working through the tutorial.
  • Event battle passes occasionally include coupon-style brainrot crates. Redeem them before the season ends to avoid losing the reward.

Mutation system notes

  • Each plant-brainrot pairing has an internal weight that determines the damage multiplier. Higher rarity brainrots add more weight, which results in a larger DPS boost.
  • Mutation tiers stack multiplicatively with plant upgrades, so unlock Rebirth bonuses before swapping out high-value fusions.
  • According to the companion site, certain plants unlock extra projectiles or crowd control when fused with themed brainrots (for example, freezer types add slowing fields).

Weight & income impact

  • Brainrots generate idle cash based on their weight. Keep your heaviest brainrots in the backpack even if they are not fused to a plant.
  • Use the stock tracker to replace low-weight commons with rarer pulls. The jump from Rare to Legendary almost doubles passive income.
  • Remember to claim AFK rewards in the lobby—brainrot income continues while you are offline, but only converts to spendable cash after you reconnect.