Caylusaurus is a Secret rarity Brainrot in Steal a Brainrot. Released in Update 53, this streamer-themed unit was introduced as a limited-quantity crafting exclusive via the Taco Truck mechanic. Designed by the creator BRAZILIAN SPYDER, it embodies the likeness of the popular Roblox content creator and streamer, Caylus. Representing a massive economic asset for late-game players, its strictly limited supply and unique structural design have driven its value and demand to extreme heights.
Appearance and Design
- Base Model: A striking, mythical hybrid fusion akin to a Centaur or Arachne, combining human and reptilian elements.
- Formation: The entire upper torso is modeled directly after Caylus’ iconic Roblox avatar, while the entire lower body is that of a massive red dragon.
- Theme: To complete its draconic aesthetic, the unit features a large pair of functional red dragon wings spanning from its back.
History and Release
- Release Update: Released globally during the Update 53 expansion.
- Creator: Designed by BRAZILIAN SPYDER.
- Status: Unobtainable / Out of Stock (Originally a Limited Quantity Truck Exclusive).
- The Stock Waves & Scarcity: Caylusaurus was rolled out through a highly competitive, multi-phase release window overseen by Caylus during an “Admin Abuse” phase. Initially, a small batch of 5,000 units was spawned exclusively in Lucky Servers, quickly followed by a second identical batch of 5,000. The developers then opened a standard stock of 50,000 units, followed later by an emergency restock of 25,000. At the conclusion of the event, Caylus pushed a final 15,000 units into circulation via the Red Carpet, bringing the total global supply to an estimated cap of 100,000 units.
Obtainment
- Primary Method (Historical): Crafted directly at the Taco Truck during its active event window. To unlock the unit, players had to sacrifice three specific, aura-themed recipe ingredients:
- Burrito Bandito (Gangster-themed)
- Nuclearo Dinossauro (Warplane / T-Rex hybrid)
- Money Money Puggy (Wealth-themed pile of money)
- Secondary Methods: Because its retail stock is completely exhausted, it can now only be acquired from other players via the core Stealing mechanics or live server trading systems.
- Current Availability: Active exclusively through live player base raiding and veteran vault extraction.
Character Statistics
Base Stats
| Attribute | Details |
| Rarity | Secret |
| Type | Limited Quantity / Streamer-themed / Hybrid |
| Base Cost | $12,500,000,000 ($12.5B) |
| Income per Second | $55,000,000 ($55M/s) |
| Total Global Stock | ~100,000 Units Max (Estimated) |
| Status | Unobtainable (Out of stock) |
Mutation Income Table
With a premium base income of $55M/s, a single Caylusaurus scales effortlessly into a multi-trillion dollar asset when pushed to elite mutation brackets.
| Mutation | Multiplier | Income per Second | Income per Hour |
| Default | 1x | $55.00M | $198.00B |
| Gold | 1.25x | $68.75M | $247.50B |
| Diamond | 1.5x | $82.50M | $297.00B |
| Bloodrot | 2x | $110.00M | $396.00B |
| Celestial | 4x | $220.00M | $792.00B |
| Candy | 4x | $220.00M | $792.00B |
| Lava | 6x | $330.00M | $1,188.00B ($1.18T) |
| Galaxy | 6x | $330.00M | $1,188.00B ($1.18T) |
| YinYang | 7.5x | $412.50M | $1,485.00B ($1.48T) |
| Radioactive | 8.5x | $497.25M | $1,790.10B ($1.79T) |
| Cursed | 9x | $495.00M | $1,782.00B ($1.78T) |
| Rainbow | 10x | $550.00M | $1,980.00B ($1.98T) |
Role in the Meta and Economic Analysis
Caylusaurus stands as an elite, top-tier late-game powerhouse. Deploying a single unmutated copy requires a massive capital investment of $12.5B, making it one of the most expensive raw placements in the game. However, it returns an outstanding $198.00B per hour at base level.
For max-tier base setups, a Rainbow mutation variant pumps out $1.98 Trillion per hour. Because of its incredible generation capabilities, it is highly sought after by top-percentile players looking to compress trillions of dollars of income into compact, space-optimized base grids without clogging up building tiles.
Strategies
Acquisition Strategy
Since Taco Truck crafting is permanently closed, finding this unit requires intensive scouting of active server player bases. Look for end-game setups or collector vaults. Because of the steep $12.5B cost penalty to place them, players will almost never use them on outer decorative layouts—they will always be consolidated in high-efficiency income farms.
Security Strategy
Housing a Caylusaurus—especially one with a rare trait or mutation—makes your base an immediate premium target for elite raiders. Because the total supply is strictly capped globally, players actively hunt these down. You must bury these units deep within your base core, protected by complex maze segments, max-tier defensive blocks, and high-lethality trap combinations.
Trivia and Cultural References
- Streamer Leak History: Caylusaurus holds the distinction of being the second Brainrot unit to be officially leaked by a YouTuber, following right after Steakini Fattini.
- The Multiverse Voice: It features custom voice lines, making it unique as the second Brainrot in the game whose voice clip does not actually state its own name (the first being 1x1x1x1). In-game, it jokingly states, “Chat, I’m better than that other version of me in Survive Lava for Brainrots.”
- Game Lore Origins: The design is directly based on Caylus’ own Roblox game, Survive Lava for Brainrots. While both Caylus and Steak co-own that game, Caylus chose to directly port his existing character design over to Steal a Brainrot, whereas Steak opted to create an entirely brand-new design (Steakini Fattini).
- The Recipe Breaking Trend: It is the very first Limited Quantity Brainrot to hit the game that did not require a high-tier unit making $30M/s+ as a crafting ingredient following the release of Nacho Spyder.
- The Fire Trait Lock: Caylusaurus cannot naturally roll or be awarded the Fire Trait. The only way to obtain a Fire Trait variant is if a player crafted it during the event using three recipe materials that all previously possessed the Fire Trait. This is because the Fire Biome map was never actively run during Caylus’ Admin Abuse event windows.
- The Forbidden Admin Spawns: During the event, Caylus utilized his admin privileges to manually spawn highly illegal custom versions of the unit for himself on live servers. These included: 2 Chocolate variants, 1 Lava variant, 1 Galaxy variant with the Lucky trait, 1 Divine variant with Strawberry, 1 standard Divine variant, 1 Cursed variant, and two separate versions featuring the unreleased Tung Tung Attack and Aura Shades modifications.
- Avoid the Confusion: Due to its draconic and prehistoric design, newer players frequently confuse it with other dragon units in the game, such as Dragon Cannelloni, Arcadragon, Tractoro Dinosauro, Nuclearo Dinossauro, or the standard Dragon Family.
Gallery
(This section will be updated with in-game screenshots.)