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Mutant Plants Base Defense Wiki

Roblox codes, fruit mutations, merge guides, and plant tier lists.

Unofficial Roblox wiki for Mutant Plants Base Defense: working codes, fruit mutations, merge guides, and tier lists.

UPD-0.5
Current patch focus
12+
Working codes tracked
Roll+Merge
Core loop
Brainrot
Enemy waves
Explore the wiki

Jump into the hubs players search for most after every Brainrot wave.

Featured guides
Codes

Codes Hub

Mutant Plants Base Defense codes hub for active rewards, redeem steps, and how to spot new drops after updates.

Read guide
Guides

Guides Hub

Mutant Plants Base Defense guides hub covering merges, fruits, grenades, upgrades, controls, Premium, Brainrot waves, and survival.

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Items

Items Hub

Mutant Plants Base Defense items hub explaining fruits, Flame and Frozen grenades, gems, and how codes feed each inventory type.

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Tier List

Tier List Hub

Mutant Plants Base Defense tier list hub for plants, mutations, and fruit priority after merges and upgrades matter.

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Codes

Active Codes

Working Mutant Plants Base Defense codes for August 2026 including BUGFIX0983 Shadow Grenades plus gems, fruits, and redeem notes.

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Guides

Getting Started

Beginner Mutant Plants Base Defense guide for first rolls, merges, Upgrade Zone goals, codes, and early wave survival.

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Tier List

Plants Tier List

Mutant Plants Base Defense plants tier list ranking keeper roles for merges, lane coverage, and late-wave survival after UPD-0.5.

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Tools

Gem Spending Planner

Plan Mutant Plants Base Defense gem spends across Damage, Range, Attack Speed, Luck, slots, and targeted rolls after codes.

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Updates

UPD-0.5

UPD-0.5 context for Mutant Plants Base Defense covering current season goals, code packs, and what to recheck in-client after the patch.

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Guides

Fruits and Mutations

Use Void, Venom, Shadow, and Reversion fruits in Mutant Plants Base Defense so mutations land on keepers that survive merges.

Read guide
Mutant Plants Base Defense gameplay thumbnail
Mutant Plants Base Defense base defense scene
Mutant Plants Base Defense Roblox icon
Quick start

New to Rainbow Isle Base? Follow these steps before your next wave.

  1. 1

    Redeem every working code

    Open the active codes list, redeem in Shop, then spend Gems on Fruits and early Upgrade Zone boosts.

  2. 2

    Learn the merge loop

    Follow the getting started guide and how to merge plants so identical units become stronger defenders.

  3. 3

    Plan Fruit mutations

    Use the fruits and mutations guide plus the fruits priority tier list before wasting Void or Reversion stock.

  4. 4

    Stabilize hard waves

    Equip grenades, buy base upgrades, and study how to survive waves when clusters break through.

  5. 5

    Chase Secret plants smartly

    Read how to get secret plants and cross-check the plants tier list before dumping every Gem into rolls.

FAQ

Wiki FAQ

Quick answers to the most common questions.

What is Mutant Plants Base Defense?

It is a released Roblox tower-defense experience by Rainbow Isle Base where you roll, merge, and mutate plants to hold a base against Brainrot waves.

Where do I redeem codes?

Load into your base, open Shop on the left, find Codes, paste a working code, and press Verify. Full steps live on the [how to redeem codes](/codes/how-to-redeem/) page.

Which languages are supported?

This wiki supports: English, Français, Deutsch, Español, Português (BR). Configure locales in site.meta.json and run npm run generate:i18n.

Is this wiki official?

No. It is a fan resource. Confirm patch notes and giveaways on the Roblox experience page and the official Discord linked from our [links hub](/wiki/).

What should I spend Gems on first?

Most new players should redeem codes, buy useful Fruits, then stack cheap Damage and Range upgrades. Use the [gem spending planner](/tools/gem-spending-planner/) for a checklist.