To use the Fuse Machine, bring four eligible Brainrots to the machine beside the central Shop or Coins Shop, inspect the live recipe and odds, press Fuse, wait for the timer, and carry the result back to your base if manual retrieval is required. The usual timer is 15 minutes for Common/Rare/Epic inputs, 30 minutes for Legendary/Mythic/Brainrot God inputs, and 90 minutes for Secret or OG inputs. Recipes are generally chance-based, and the machine currently visible in your server matters more than an old guide.
Which Fuse Machine is active?
Do not assume that every guide using the name Fuse Machine describes the machine currently in your server. The original standard Fuse Machine launched on August 1, 2025, was removed on September 6, 2025, returned in January 2026, and was later joined or replaced by themed variants including OG Fuse, Divine Fuse, Witch Fuse, Santa’s Fuse, and Summer Fuse. The Fuse Machine index is useful for separating those variants.
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The latest dedicated tracker reviewed for this guide labels Summer Fuse as the live themed variant for the Update 52 lineup. However, a separate event record places the initial Summer Fuse window on May 23–26, 2026. Treat that as a warning that availability can be event- and update-dependent: check the actual machine model and recipe panel in your Roblox server before depositing valuable Brainrots. The official game listing is Roblox’s Steal a Brainrot page, published by BRAZILIAN SPYDER.
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- Find the machine. Community guides place the standard or themed machine beside the Shop or Coins Shop in the central map area. The model and exact appearance can change with the event, so use the machine visible in your server rather than relying on an old screenshot.
- Bring four Brainrots. The usual Fuse interface has four input slots. A recipe may require four copies of one Brainrot or a particular mixture, so four arbitrary Brainrots are not necessarily eligible for the output you want.
- Open the interface and load the inputs. Place the four Brainrots in the slots, then inspect the displayed recipe, possible result, percentage, and timer. If the panel does not identify the machine variant, stop and verify it before continuing.
- Review the risk. Inputs are consumed or committed when the process begins. Published percentages generally describe a chance, not a guaranteed result, unless the exact combination is explicitly listed as 100% for that same machine variant.
- Press Fuse. Confirm the process only after checking that the inputs and output belong to the machine you intended to use.
- Wait for the timer. The machine processes the combination for a fixed period. The standard Fuse-family timer bands are listed below, but a themed event can change them.
- Retrieve the result and return it to your base. In versions that require manual collection, the finished Brainrot does not necessarily teleport safely to your base. Another player may be able to steal it while you carry it back.
For the practical route, the Summer Fuse guide from Games.GG also recommends preparing your return path before the timer ends. Traps, allies, and quieter servers or lower-traffic timing can reduce the risk, but none is guaranteed protection from theft.
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Fuse Machine timers
The commonly documented timer bands are based on the highest-rarity input, although some community tables describe the same bands in terms of the resulting rarity. In practice, the published rules line up as follows:
| Highest input rarity | Commonly documented timer | What to remember |
|---|---|---|
| Common, Rare, or Epic | 15 minutes | Use this band for lower-tier combinations unless the machine UI shows a different event timer. |
| Legendary, Mythic, or Brainrot God | 30 minutes | Higher-value inputs mean a longer period during which the result is committed. |
| Secret or OG | 90 minutes | Plan the server, route, and retrieval before risking these inputs. |
These are standard Fuse-family guidelines, not a guaranteed specification for every themed machine. If the Summer Fuse interface displays a different countdown, follow the live interface and treat older tables as outdated.
How Fuse results and odds work
The exact formula has not been published as an official Roblox technical specification. The following mechanics are community-observed or community-reported, not guaranteed developer rules.
- The machine appears to evaluate the rarities of the four inputs and determine a dominant or target rarity.
- It can provide a chance to produce a result in a higher rarity rather than simply copying the input rarity.
- Within the same rarity, higher-generation inputs are reported to improve the chance of better results.
- If the machine hits a higher-rarity result, reports indicate that the lowest-generation Brainrot in that tier may be favored.
- A displayed percentage usually represents the chance of the named result. The remaining probability may produce a fallback from the relevant rarity pool.
That means a recipe shown as 62%, 47%, or even 95% is still a gamble. Luck boosts, the machine variant, input setup, update changes, and the available result pool can all make an older percentage misleading. The community Fuse tables combine recipes from several eras, so do not copy an odds number into a current Summer Fuse attempt without checking the live panel.
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Summer Fuse: all 16 documented Brainrot outputs
The latest dedicated Summer Fuse collection page lists 16 outputs. The table below uses that 16-entry list because it is internally complete by rarity and supplies individual base income values. The figures are base income per second; mutations and traits can change the amount you actually see in-game.
| Rarity | Brainrot | Base income |
|---|---|---|
| Secret | Dragon Aquanini | $375,000,000/s |
| Secret | Coco and Mango | $33,500,000/s |
| Secret | Capitano Gullini | $22,000,000/s |
| Secret | Ombrello Topolino | $6,500,000/s |
| Secret | Bombardiro Vaccariro | $1,000,000/s |
| Brainrot God | Flippo Marino | $316,000/s |
| Brainrot God | Lemonita Splashita | $280,000/s |
| Brainrot God | Sundrilla Sundae | $180,000/s |
| Mythic | Bucketoro | $18,200/s |
| Mythic | Cocoteddy | $15,000/s |
| Legendary | Pi Pi Watermelon | $1,300/s |
| Legendary | Cocosini Mama | $1,200/s |
| Epic | Penguino Cocosino | $300/s |
| Epic | Ti Ti Ti Sahur | $225/s |
| Rare | Pipi Avocado | $70/s |
| Common | Pipi Corni | $14/s |
Some other pages describe the Summer collection as having 19 entries. The dedicated collection page and the Games.GG guide both support the 16-entry lineup above, while other community records report 19. Until the extra three entries can be verified in the live machine, do not treat the 19-count claim as a confirmed current list.
Documented recipes and their published odds
There is no single timeless recipe book for every Fuse Machine. The broadest current community table contains 52 entries spanning the old standard route, OG-era combinations, newer recipes, and special combinations. The examples below are therefore labeled by scope instead of being presented as universally active Summer Fuse recipes.
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| Inputs | Listed result | Published chance | Machine or era qualification |
|---|---|---|---|
| 4 × Noobini Pizzanini | Pipi Corni | 67% | Broad or historical recipe table; verify against the live machine. |
| 2 × Pipi Kiwi + 2 × Bandito Bobritto | Pipi Avocado | 95% in the current broad table | Another older guide reports a lower maximum under a different setup, so the percentage may depend on variant or luck. |
| 3 × Perochello Lemonchello + 1 × Trulimero Trulicina | Ti Ti Ti Sahur | 62% in the current broad table | An older Summer guide reports 71% with a different setup. Do not merge the two figures. |
| 4 × Brr Brr Patapim | Penguino Cocosino | 31% | Documented example; check whether the live machine accepts it. |
| 4 × Ballerina Cappuccina | Pi Pi Watermelon | 47% | Documented example; not a universal guarantee. |
| 4 × Burbaloni Loliloli | Cocosini Mama | 61% | Documented example; check the current event pool. |
| 4 × Strawberry Elephant | Dragon Aquanini | 10% in the broad table; 8% in one specific Summer Fuse Luck setup | High-end Summer attempt. The two odds describe different documented conditions and should not be combined. |
| Ginger Gerat + Ketupat Kepat | Ketupat Bros | 100% | Special or historical combination in the broader Fuse table, not confirmed as a Summer-only recipe. |
| Los Tralaleritos + Las Tralaleritas + Cupid Hotspot + Noo my Heart | Los Sweethearts | 50% | Associated with the older Fuse route, not automatically active in Summer Fuse. |
For the most reliable decision, compare the input names and percentage shown in your own machine with the table above. A recipe is only effectively confirmed when the same four-input combination, machine variant, and conditions match. In particular, do not use the 100% Ketupat Bros entry as proof that a Summer Fuse recipe is guaranteed.
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- BUILT-IN AUDIO SUPPORT — Plug in compatible headsets using the 3.5mm audio jack for direct voice chat and immersive in-game sound.
Best Fuse strategy by player stage
Early game: protect your income
Use cheap, repeatable Brainrots for lower-tier targets. A failed attempt can consume all four inputs, so sacrificing a valuable Brainrot God or Secret for a low-probability result is usually a poor early-game trade. Start with combinations whose inputs you can replace and whose fallback result will not cripple your base.
Mid-game: compare the result with the opportunity cost
Before fusing, compare the income you are giving up with the target’s base income and the probability of receiving it. A high percentage is not automatically profitable if the four inputs are difficult to replace, and a low-tier result can be a disappointing fallback. Mutations and traits also matter because the collection figures are unmodified base values.
Secret hunting: stockpile first
The documented Summer guide identifies four Strawberry Elephants as a high-end attempt for Dragon Aquanini, the highest-income output in the 16-entry list. The published chance is only 10% in the broad table or 8% under one specific Summer Fuse Luck setup. Treat it as a serious gamble, not a reliable upgrade path. Stockpile the inputs and make sure the live machine shows the intended result before confirming.
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The danger does not necessarily end when the timer reaches zero. If the game requires manual retrieval, plan the machine-to-base route in advance. Carry the result when the server is quiet, use trusted allies where appropriate, and prepare traps or defensive measures. These tactics reduce exposure but cannot guarantee that another player will not steal the Brainrot.
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Common mistakes to avoid
- Using an old standard recipe in a themed machine: the original, OG, Divine, and Summer machines are not interchangeable.
- Assuming four matching Brainrots guarantee the listed output: most published recipes are probability-based.
- Combining odds from different guides: the 62% and 71% Ti Ti Ti Sahur figures, and the 10% and 8% Dragon Aquanini figures, reflect different documented setups or eras.
- Ignoring the machine’s timer: a Secret or OG input can mean a 90-minute wait rather than 15 minutes.
- Leaving the return route until the end: a successful result may still be vulnerable during manual transport.
- Trusting the 19-entry claim without checking: the best-supported dedicated Summer list in this guide contains 16 documented outputs.
- Mixing Divine Fuse recipes into standard or Summer Fuse: Divine Fuse is a separate machine and should be researched separately.
Does Fuse Machine require Robux?
Optional purchase note: The Fuse Machine is free to use and does not require Robux or a gift card. If you already plan to buy Robux for unrelated Roblox purchases, a Roblox gift card is optional; it does not improve Fuse odds or unlock a recipe.
Source and update note
The game’s official Roblox listing does not publish a technical Fuse Machine specification. Recipe percentages, generation behavior, timers, and variant lineups in this guide are therefore community-documented snapshots. Recheck the machine’s name, available outputs, timer, and displayed odds after an update or event rotation. The dedicated Summer Fuse collection, the Games.GG walkthrough, and the broader Fuse recipe table are useful references, but the live in-game interface should take priority when they disagree.
Frequently Asked Questions
Is the Fuse Machine currently active in Steal a Brainrot?
The latest dedicated tracker reviewed for this guide labels Summer Fuse as active for the Update 52 lineup, but Fuse availability changes with events and updates. Check the machine visible in your Roblox server before using valuable Brainrots.
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How many Brainrots do I need to use the Fuse Machine?
Usually, you need four eligible Brainrots. The exact combination depends on the recipe and machine variant. Load all four, inspect the live result and percentage, and only then press Fuse.
Are Fuse Machine recipes guaranteed?
No. Most published percentages are chances, and the remaining probability can produce a fallback result. Only treat a recipe as guaranteed when the same machine variant explicitly shows 100% for that exact combination.
Can another player steal a fused Brainrot?
Not always. Some versions require you to carry the completed Brainrot from the machine back to your base, and another player may be able to steal it during that trip. Prepare the route before the timer ends.
The Bottom Line
Bottom line: Identify the machine variant first, load four eligible Brainrots, verify the live recipe and odds, then accept the timer and theft risk before pressing Fuse. For the latest documented Summer Fuse lineup, there are 16 outputs from Pipi Corni through Dragon Aquanini, but most recipes are chances rather than guarantees and older tables should not be treated as current without in-game confirmation.
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