CosmoX

Visitors Rating
Times Played 3 times

Content Writer
30.01.2026
Updated
Slot Information
Return to Player (RTP) Return to Player (RTP) The Return to Player is a statistic that aims to show the player's edge over the casino – the higher this number is the better! We review all slots based on this RTP value so click on the percentage on the right to find our more slots with a similar RTP!
Volatility Volatility Volatility or Variance is meant to describe the winning potential of a slot game: a high volatility will have you win big but no so often, while a low volatility will let you win frequently, but less.
Progressive Slot Progressive Slot A progressive slot is a slot that keep on growing its total possible winning pool; usually linked by a network of slots. It is also known as a jackpot.
Slot type Slot type Slots can be categorized as classic, 3D, video slots, etc. Click on the type of slot on the right to see similar types of slots!
Rows Rows Part of the design of the slot, the rows are the horizontal lines that trigger special features when certain paying symbols fall in place.
Reels Reels Reels are the vertical lines that are build in the slots architecture; together with the rows they help trigger special winning combinations.
Paylines Paylines Paylines, or betting lines, are the pre-determined links of symbols across the rows and reels of a slot. A slot can have anywhere from just 1 payline or up to thousands paylines!
Slot Layout Slot Layout The layout of the slot is the way the slot is built, based on the number of rows, reels and paylines.
Slot Features
Minimum Bet Minimum Bet The minimum accepted amount that will allow you to spin the reels of this slot game.
Maximum Bet Maximum Bet The maximum accepted amount that will allow you to spin the reels of this slot game.
Maximum Win Maximum Win The total maximum amount that you could win triggering the biggest winning combo.
Available Available The operating systems this slot game is optimized for – both PC and Mobile.
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CosmoX Slot Overview
CosmoX is a lightweight crash game released by Onlyplay in November 2024 and positioned as the first entry in its X series. The game operates on a rising multiplier that increases until a random burst point terminates the round. RTP is fixed at 97 percent, volatility is adjustable based on cashout strategy, and the maximum exposure reaches x10000. Bets range from 1 to 50, with up to two bets allowed per round.
The theme centers on a minimalist space launch concept featuring a rocket ascending against a dark blue cosmic backdrop. There are no reels or paylines. Instead, the visual experience reinforces upward momentum and tension through continuous motion. Gameplay is rapid, highly repeatable, and designed for short decision cycles rather than extended feature builds.
Math Profile Breakdown (RTP, Volatility, Betting Range)

RTP: 97%
Volatility: Adjustable
Bet Range: 1 to 50
Max Exposure: 10000×
CosmoX distributes return value along an exponential multiplier curve where higher payout zones contribute disproportionately to theoretical RTP while remaining statistically infrequent. Volatility is not mechanically fixed but behavior dependent, with early exits producing lower variance outcomes and delayed exits creating extreme dispersion. The wide betting range and dual bet option allow players to tailor exposure profiles that align with the high risk, high altitude space theme.
CosmoX Base Game Analysis

The base game consists of sequential rounds initiated by a short countdown. Once the rocket launches, the multiplier begins at 1.00 and increases continuously. Players must cash out manually or via preset auto cashout before the burst event occurs. If the rocket busts first, the wager is lost.
Gameplay offers no interruptions, secondary layers, or recovery mechanics. Two simultaneous bets can be placed with independent exit strategies, enabling hedging or asymmetric risk profiles. Regular play behavior is fast paced and unforgiving, rewarding structured timing approaches over emotional reactions.
Mechanics That Drive CosmoX
CosmoX is driven by a small number of tightly focused systems:
Real time multiplier escalation
Randomized burst termination
Dual independent bets
Auto cashout thresholds
Provably fair outcome generation
These mechanics form a pure timing based gambling loop with no auxiliary features.

🔬 Devs Behind the Math in CosmoX
nlyplay has established a consistent design philosophy focused on high RTP delivery paired with player controlled volatility. Their crash titles emphasize transparency, speed, and minimalism, allowing mathematical behavior to remain clear and unobscured. CosmoX exemplifies this approach by removing all non essential elements and concentrating value distribution into a single continuously scaling mechanic.
🧪 CosmoX Session Simulation Summary
Across 200 manually recorded rounds with a flat average stake of 1 unit per bet, total exposure reached 400 units due to dual bet usage. A hedged approach was applied with one auto cashout fixed at x1.6 and a second bet managed manually. The conservative bet cashed successfully 126 times, returning a total of 201.6 units.
The secondary bet produced 14 successful exits above x10, including payouts at x18.9, x27.4, x46.2, and a single peak hit at x312.7. Total returns from the higher risk leg reached 389.4 units. Combined returns across all rounds totaled 591 units, with profitability driven almost entirely by one extreme multiplier event.
🔁 CosmoX Innovation Score – Prequel, Sequel, or Reskin Check
CosmoX functions as the foundational title within Onlyplay’s X series rather than a reskin or derivative clone. While its mechanics follow established crash game logic, its role as the template for later releases such as CricX and GoalX places it as a structural origin point. The minimalist presentation and ultra lightweight build differentiate it from older crash formats that emphasize social features or complex interfaces.
🧠 The Mental Mechanics Behind CosmoX Slot: How It Captures Attention
CosmoX leverages anticipatory tension by visually extending the multiplier beyond common cashout thresholds, encouraging players to delay exits despite rational risk limits. The absence of reels eliminates pattern bias, while shared rounds and emoji reactions subtly introduce social pressure. The game rewards discipline and punishes hesitation, making emotional control a core performance variable.
| Mechanic | Description |
|---|---|
| Expanding Symbols | Not applicable in crash format |
| Scatter Symbols | Not applicable |
| Risk/Gamble Feature | Entire game is built around cashout timing |
| Wild Symbols | Not applicable |
| Stacked Symbols | Not applicable |
FAQs About CosmoX Slot
The maximum win is x10000, and while theoretically reachable, it occurs extremely rarely.
No, CosmoX does not include bonus rounds or free spins.
The RTP is 97 percent.
Yes, CosmoX is fully optimized for mobile devices.
Yes, a demo mode is available.
Yes, CosmoX is the first release in Onlyplay’s X series of crash games.
Yes, CosmoX can exhibit very high volatility depending on cashout strategy.


Content Writer
A detail-oriented content strategist focused on the online slot industry, Mladen specializes in scientific-style slot reviews, session simulations, and in-depth mechanical breakdowns. With a strong editorial framework that prioritizes originality, structure, and compliance with evolving content policies, they consistently deliver high-level insights across new and upcoming titles. Their expertise spans statistical interpretation, visual analysis, and gameplay logic, with a commitment to eliminating boilerplate phrasing and ensuring full alignment with provider-specific mechanics and themes.
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