MutationsintermediateUpdated: 6/29/2026

Storage Hunters: Open World All Mutations Guide

Complete guide to all 18 mutations in Storage Hunters: Open World. Learn every multiplier, rarity, and tips for maximizing profit from value mutations.

Mutations are the single most exciting mechanic in Storage Hunters: Open World. When you crack open a storage container and find items inside, each item may carry a value mutation that multiplies its selling price. Understanding every mutation, its rarity, and its multiplier is essential for maximizing your profits and knowing which items to prioritize during the haul phase. This guide covers all 18 mutations currently in the game, from the devastating Secret mutation at 50x down to the value-reducing Dirty mutation at 0.8x.

What Are Mutations in Storage Hunters: Open World?

Mutations are randomly applied modifiers that alter the selling price of items found inside storage containers. When an item spawns, the game rolls for a possible mutation based on the container tier, the area you are in, and a randomized probability. Each mutation has a defined multiplier that either increases or decreases the base value of the item.

The mutation system is what makes Storage Hunters: Open World so unpredictable and thrilling. A common household item worth 10 cash could become a Secret mutation item worth 500 cash with a single lucky roll. Conversely, a Dirty mutation could reduce that same item to 8 cash. Knowing which mutations to celebrate and which to avoid is the difference between a profitable session and a wasted one.

Mutations also stack in certain situations. When you find an item with multiple mutations applied, the multipliers can combine to create extraordinary values. For a deep dive into how stacking works, see our Mutation Stacking Guide.

All 18 Mutations Complete List

Below is every mutation currently available in Storage Hunters: Open World, organized by tier rating. The tier reflects both the multiplier power and the overall rarity of finding the mutation in the wild.

S-Tier Mutations (Legendary Rarity)

These are the rarest and most valuable mutations in the game. Finding one of these is cause for celebration.

MutationMultiplierRarityTierKey Details
Secret50xLegendarySThe highest multiplier in the entire game. Extremely rare.
Gold4xRareSConsistently profitable. Four times the base value.
DiamondHighLegendarySSparkling visual effect. Very high value multiplier.
ChromeHighLegendarySMetallic sheen appearance. High multiplier.
HologramHighLegendarySGlowing holographic effect. High multiplier.
CorruptedHighLegendarySGlitched visual distortion. High multiplier.
GemHighLegendarySGemstone visual embedded in item. High multiplier.
AncientHighLegendarySAged weathered appearance. High multiplier.

For a detailed breakdown of the Secret mutation specifically, see our Secret Mutation Guide. For Diamond specifically, see our Diamond Mutation Guide.

A-Tier Mutations (Epic Rarity)

These mutations provide significant value boosts and appear more frequently than S-Tier mutations.

MutationMultiplierRarityTierKey Details
Void35xEpicASecond-highest known multiplier. Dark void visual effect.
TimelessHighEpicAClockwork-themed visual. High multiplier.
Pure1.5xUncommonAClean bright appearance. Boosts value by 50%. Consistent and reliable.

B-Tier Mutations (Uncommon/Epic Rarity)

These mutations offer moderate value boosts. They appear regularly and contribute steady profit.

MutationMultiplierRarityTierKey Details
Silver2xUncommonBSilver metallic appearance. Doubles the base value.
RainbowTBDEpicBColor-shifting rainbow effect. Multiplier still being confirmed.
AntiqueMediumUncommonBVintage aged look. Medium multiplier increase.

C-Tier Mutations (Common Rarity)

These are the most common mutations. Some actually reduce item value, making them less desirable.

MutationMultiplierRarityTierKey Details
Dirty0.8xCommonCReduces value by 20%. The only negative-value mutation. Avoid hauling these if weight is limited.
TinyVariesCommonCItem appears smaller. Variable multiplier, usually low.
BlackVariesCommonCDarkened item appearance. Variable multiplier, usually low.
CobwebbedVariesCommonCCobweb overlay effect. Variable multiplier, usually low.

Mutation Rarity Explained

The rarity of a mutation determines how frequently it appears on items from containers. Here is the rarity hierarchy from most common to rarest:

RarityApproximate FrequencyTypical Multiplier Range
CommonVery frequent0.8x to low variable
UncommonFrequent1.5x to 2x
RareModerate4x
EpicUncommon35x to High
LegendaryRareHigh to 50x

The actual probability of finding a specific mutation depends on several factors:

  • Container tier - Higher-tier containers from advanced areas have better mutation odds
  • Area - The Shipyard endgame area has significantly better legendary mutation rates than the Junk Yard
  • Game updates - The developer Paladente may adjust rates over time

How Mutations Affect Gameplay Strategy

Understanding mutations changes how you approach every aspect of the game:

Bidding Strategy

When bidding on containers, you are gambling on the potential mutations inside. A C-Tier container from the Junk Yard has a low chance of producing legendary mutations. An A-Tier container from the Shipyard has a much higher chance. This means you should be willing to bid more aggressively on higher-tier containers because the expected value of their contents is significantly higher.

Check our Auction Tips Guide for bidding strategies that account for mutation probabilities.

Hauling Priority

When your vehicle has limited weight capacity, you must choose which items to transport first. Always prioritize items with high-value mutations:

  1. Secret mutation items - Always haul these first, regardless of weight
  2. Other S-Tier mutations - Diamond, Chrome, Hologram, Corrupted, Gem, Ancient
  3. Gold mutation items - Reliable 4x multiplier
  4. Void mutation items - 35x multiplier is exceptional
  5. Silver and Pure items - Moderate but consistent value
  6. Dirty items - Only haul if you have spare capacity; their 0.8x multiplier means they sell for less than base

For weight management strategies, see our Vehicles Guide.

Selling Strategy

Items with high-tier mutations should not be sold hastily. If you have the Selling Space gamepass, you can display more items simultaneously, which means high-value mutated items sell alongside regular inventory. The Quick Sell gamepass can also speed up the selling process for your most valuable items.

Learn more about selling efficiency in our Best Gamepasses Guide.

Mutation Visual Effects

Each mutation comes with a distinct visual effect applied to the item. These visual cues help you identify mutations at a glance without needing to check the item description:

  • Secret - Radiant golden glow with particle effects
  • Void - Dark swirling void energy surrounding the item
  • Gold - Solid gold metallic sheen
  • Silver - Polished silver metallic appearance
  • Diamond - Sparkling diamond crystalline effect
  • Chrome - Reflective chrome mirror finish
  • Hologram - Translucent glowing holographic projection
  • Corrupted - Glitching pixel distortion and static
  • Gem - Embedded gemstone facets and shimmer
  • Ancient - Weathered stone-like texture with rune markings
  • Pure - Bright clean white glow
  • Rainbow - Color-cycling rainbow gradient
  • Antique - Vintage patina and aged texture
  • Dirty - Dirt and grime overlay, dull appearance
  • Tiny - Physically smaller item model
  • Black - Dark shadow overlay
  • Cobwebbed - Spiderweb pattern overlay

Learning to recognize these visual effects instantly will save you time during the haul phase, letting you quickly grab the most valuable items first.

Tips for Finding Rare Mutations

While mutations are randomized, there are strategies that improve your odds of encountering rare and legendary mutations:

  1. Unlock higher areas - The Shipyard has the best mutation rates in the game. Progress through All Areas to reach it.
  2. Target higher-tier containers - S-Tier containers like the Diamond Safe have significantly better mutation rolls. See the Diamond Safe Guide.
  3. Open more containers - Volume matters. The more containers you open, the more mutation rolls you get.
  4. Complete NPC quests - Some NPC quest rewards include items with guaranteed or boosted mutations. Check our All NPCs Guide.
  5. Play during updates - Game updates sometimes feature boosted mutation rates for limited periods.
  6. Avoid Dirty traps - If a container seems too cheap, it may be filled with low-value Dirty mutations. Observe container pricing patterns.

Mutation Tier List Summary

For a visual ranking of all mutations by tier, check our dedicated Mutation Tier List.

TierMutationsOverall Value
S-TierSecret, Gold, Diamond, Chrome, Hologram, Corrupted, Gem, AncientExceptional - Always prioritize
A-TierVoid, Timeless, PureStrong - Highly profitable
B-TierSilver, Rainbow, AntiqueModerate - Consistent returns
C-TierDirty, Tiny, Black, CobwebbedLow - Minimal or negative value

Frequently Asked Questions

How many mutations are in Storage Hunters: Open World? There are currently 18 mutations in the game, ranging from the common Dirty mutation to the legendary Secret mutation with its 50x multiplier.

What is the rarest mutation in Storage Hunters: Open World? The Secret mutation is the rarest, classified as Legendary rarity with a 50x multiplier. It appears extremely infrequently and is the most valuable single mutation in the game.

Can an item have multiple mutations at once? Yes, items can sometimes have multiple mutations applied simultaneously, which causes the multipliers to stack. This can result in extraordinary selling prices. See our Mutation Stacking Guide for full details.

Does the Dirty mutation reduce item value? Yes, the Dirty mutation applies a 0.8x multiplier, which reduces the item's selling price to 80% of its base value. This is the only mutation in the game that actively decreases an item's worth.

Do higher-tier containers have better mutation odds? Yes, higher-tier containers found in advanced areas like the Shipyard have significantly better odds of producing rare and legendary mutations. This is one of the main incentives to progress through the game's areas.

How can I identify a mutation without checking the item description? Each mutation has a unique visual effect applied to the item. For example, Gold items have a metallic gold sheen, Diamond items sparkle, and Secret items glow with particle effects. Learning these visual cues helps you quickly prioritize items during the haul phase.

Which area has the best mutation rates? The Shipyard, the endgame area, has the highest probability of producing legendary and epic mutations. Progress through All Areas to unlock it as quickly as possible.

Are mutation rates affected by gamepasses? Currently, no gamepass directly affects mutation rates. However, gamepasses like Car Weight and Selling Space indirectly help by letting you haul and sell more mutated items per session.