CosmoX

CosmoX

Onlyplay · Crash · Airplane
  • RTP97
  • Volatility5

CosmoX is Onlyplay’s minimalist crash game where a rocket climbs against a dark backdrop – you cash out before it busts, or lose the round. 97% RTP, x10000 max win, dual bets per spin, and auto cashout from 1.35x. No bonus rounds. Loads in under 1 MB.

CosmoX
Provider Onlyplay
RTP 97.00%
Variance 5
Release date November 12, 2024

Play this slot Free Demo

No registration. Try the dual-bet system and auto cashout feature risk-free, then move to a verified casino.

Provider Onlyplay
Game Type Crash
Series Airplane
RTP 97
Volatility 5

Where to play this game

SlotsGem Casino

SlotsGem Casino

4.2 / 5 Slotsgem Casino operates under a Curaçao GCB license - delivering a massive…
BC.GAME Casino

BC.GAME Casino

4.4 / 5 BC.Game Casino launched in 2017 under CIL and SEGOB licensing - delivering…
Mostbet Casino

Mostbet Casino

4.2 / 5 Mostbet Casino combines thousands of games, a full sportsbook and fiat /…

How The Crash Works

This slot has no traditional reels or bonus features. Instead, the game is a single-round multiplier climb: place your bet(s), watch the rocket ascend with a live multiplier counter, and cash out whenever you choose. If the rocket busts before you cash out, the round is lost. That’s the entire loop.

Trigger: round starts. Rule: multiplier climbs from 1.00x upward in real time. Outcome: you either cash out manually (locking profit) or the rocket busts (bet lost). Speed matters – the animation can be toggled off if you prefer to focus only on the multiplier number.

Dual Betting And Hedging

The game allows 2 separate bets per round. Strategy: place a larger bet with a low auto cashout limit (e.g., 1.35x) to lock in consistent small wins, and a smaller manual bet you cash out only when the multiplier climbs higher. This hedge approach lets players snag frequent payouts while still chasing bigger multipliers on the second bet.

Auto Cashout Feature

Click the small ‘auto’ button above the bet slider to set an automatic cashout multiplier. Minimum threshold is 1.35x – you cannot set it lower. Once the rocket reaches your target multiplier, the bet cashes out automatically. Fine for locking profits on one bet while manually riding the other. Manual cashout is always available at any multiplier above 1.00x.

RTP / Max Win / And Bet Range

Stat Value
RTP 97%
Max Win x10000
Min Bet 1
Max Bet 50
Volatility 5 (Very High)

97% RTP is fixed regardless of strategy. Volatility is extreme – short-term results swing wildly based on when you cash out and how often the rocket busts early. The x10000 ceiling is theoretical; most sessions cluster around lower multipliers.

Mobile And Performance

this slot runs directly in your browser on Android and iOS – no app download needed. The entire game is under 1 MB, so load times are instant even on older devices or slow connections. Responsive layout scales cleanly to any screen size. Play on the go without friction.

Social And Theme

The game uses a stripped-down space theme: dark backdrop, simple rocket animation, basic soundtrack. No traditional chat; instead, players interact via emojis during rounds. The visuals are intentionally minimal – many players toggle off the rocket animation entirely and focus only on the multiplier counter. This is not a theme-heavy slot; it’s a mechanics-first crash game.

Bonuses

  • BaxterBet Highroller Bonus

    Highroller · 50% up to €500 · 35xb wager

    Targeted 50% boost for larger buy-ins. Reduced 35x rollover compared to the standard 40x welcome.

    Claim bonus
  • 1Win Casino Welcome Bonus

    Welcome Package · up to €2000 · 500 FS

    Four-stage match with x40 wagering. Minimum deposits required on each step to unlock the full $2000.

    Claim bonus
  • Slotoro Casino Welcome Bonus

    Welcome Package · up to €2500 · 250 FS

    Three-tier match delivering up to €2500. Variable minimum deposits and 40xb rollover apply.

    Claim bonus

Pros

  • Ultra-lightweight (under 1 MB) - loads instantly on any device or connection
  • Dual betting per round lets you hedge: lock small wins on one bet, chase big multipliers on the other
  • Auto cashout from 1.35x removes the need to babysit every round
  • 97% RTP and x10000 max win
  • Mobile-friendly, no download required

Cons

  • Auto cashout minimum of 1.35x is restrictive - you cannot set it lower, forcing manual cashout for tighter risk control
  • No bonus rounds or traditional features - pure crash mechanic only
  • Extreme volatility (5/5) means results are highly unpredictable; many rounds will bust at low multipliers
  • Stripped visuals may feel sparse compared to feature-rich slots
  • Social interaction limited to emoji reactions

FAQ

What happens if the rocket busts before I cash out?

The round ends and your bet for that outcome is lost. Only bets that cashed out before the bust are kept. This is why the auto cashout feature exists - it removes the timing risk for one of your two bets per round.

Can I set auto cashout lower than 1.35x?

No. 1.35x is the minimum auto cashout threshold. This is a hard limit in the game design.

How does the dual-bet hedging strategy work?

Place a larger bet with auto cashout set to 1.35x - this catches frequent small wins automatically. You snag consistent payouts on the first bet while still chasing bigger multipliers on the second. The 97% RTP applies to both bets combined over time.

Is CosmoX mobile-friendly?

Yes. It runs directly in your browser on iOS and Android with no app needed. Load time is instant (under 1 MB) and the layout scales to any screen size. Play on your phone or tablet without delay.

What is the max win and volatility?

Max win is x10000 (theoretical ceiling). Volatility is 5 out of 5 - extremely high. Most rounds cluster at lower multipliers; reaching high multipliers is rare. Short-term variance is brutal, so bankroll discipline is essential.

Leave a Reply

Your email address will not be published. Required fields are marked *

Raymonds Ozols
Raymonds Ozols
Games Analyst

Raymonds has spent over a decade covering online casino games, focused on RTP verification, volatility models and the gap between how games are marketed and how they actually run. He covers crash games, instant formats and slot variance across EU and UK regulated markets — starting always from the certified RNG documentation, not the promo copy. He writes for 100slots.org and several other iGaming publications.

Reviewed by Marcus Reynolds – Senior Game Analyst

Editorial rating: 4.1/5

this slot is a no-frills crash game that does one thing well: deliver instant, lightweight gameplay with a dual-bet hedge option. The 97% RTP and x10000 max win are solid, and the auto cashout from 1.35x removes some timing stress. However, the 1.35x floor is tight, extreme volatility means most rounds bust early, and there are no bonus features to break up the repetition. Best for players who like fast, simple mechanics and accept high swings.

Responsible Gaming & Licenses

This is an independent review hub, not a casino or betting operator. We only list operators that hold a valid licence and comply with Irish gambling regulations. Always check that an operator is authorised before depositing. Use responsible gaming tools: deposit limits, self-exclusion, cooling-off periods, and session time reminders.

18+ 18+ only. Gambling is entertainment, not a source of income. Set a budget before you play, never chase losses, and take regular breaks. If gambling is affecting your life, contact a support service: Problem Gambling Ireland or call the HSE Drug & Alcohol Helpline at 1800 459 459.

Affiliate Disclosure: This page contains affiliate links. If you register or deposit through them, we may receive a commission at no extra cost to you. Our recommendations are based on game quality, licensing status, and responsible gaming standards - not commission rates. Read our Terms & Conditions and Privacy Policy.

Regulatory Bodies & Resources

Slotoro Casino
Claim up to 2500$ + 250 free spins at Slotoro