Game Information
Review of the Solar Odyssey gaming machine from Spinomenal: a cosmic adventure with expanding wilds
Introduction
Solar Odyssey — this is an exciting video slot from the provider Spinomenal, released on April 15, 2024. The game transports players into a mythological universe, where ancient deities and celestial artifacts determine the course of the game. The slot combines high volatility with a potential win of up to 3000x the bet and offers engaging bonus mechanics.
Key features of the slot
- Maximum win: up to 3000x the bet.
- High volatility.
- Expanding wild with respin.
- Up to 50 free spins.
- Possibility to purchase a bonus.
- Fixed 20 lines payout on a 5x4 grid.
Design and atmosphere
Solar Odyssey is themed around ancient legends with elements of fantasy and cosmic aesthetics. The graphics are rich and detailed: golden arches, crowns, shields, and other celestial artifacts create a sense of grandeur and mystery. The sound accompaniment enhances the epic nature of the experience — orchestral melodies and effects during wins intensify immersion. Overall impression — a quality, modern game with a manufactured atmosphere.
Characteristics and symbols
Parameter table
| Parameter | Meaning |
|---|---|
| Developer | Spinomenal |
| Release date | April 15, 2024 |
| Barabany / Linii | 5x4 / 20 fixed |
| Rate range | from €0.20 to €200 |
| Max. Wins | 3000x the bet |
| RTP (return) | 89.53% / 92.60% / 94.19% / 95.78% |
| Volatility | High |
RTP may vary depending on the operator's casino. The most common payout is 95.78%.
Payouts for combinations (5 symbols)
- Solar corona — up to 50x bet.
- Shield — up to 30x bet.
- Golden arpha — up to 20x bet.
- Heavenly artifact — up to 15x bet.
- Card symbols (A, K, Q, J, 10) — up to 10x bets.
Bonus functions and unique mechanics
- Expanding wild with respin: when the wild (image of the Sun god) appears on the baraban, it expands across the entire baraban and activates the respin.
- Non-paying spins: triggered on landing 3 or more scatters anywhere on the barabans. The number of freespins depends on the number of scatters — up to 50 spins for 5 scatters.
- Additional wilds: during the bonus game, extra wilds may appear, increasing the chances of big wins.
- Bonus purchase: the player can purchase entry into the round of non-paying spins for a fixed amount, depending on the current bet.
Expert opinions and recommendations
Solar Odyssey — the ideal choice for experienced players who prefer high-variance strategies. Due to the high volatility, the base game can be stingy on wins, but the bonus rounds compensate for this with big payouts.
Recommendations
- Use demo mode to study the frequency of bonus activations.
- If you have a budget — consider purchasing a bonus, especially if the RTP in the casino is 95.78%.
- Manage the bankroll: make bets no more than 1–2% of the total budget per spin.
Mathematical model
- RTP: up to 95.78% (most profitable configuration).
- Volatility: high — rare, but significant wins.
- Chances of winning: the exact hit frequency is not disclosed, but typically for high-volatility slots — less than 20%.
- Maximum win: 3000x bet.
Compared to analogs
- Demi Gods II (Spinomenal) — similar theme, high volatility, but without expanding wilds.
- Rainbow Odyssey (Spinomenal) — identical 5×4 grid and 20 lines, but different theme and bonuses.
- Dead or Alive 2 (NetEnt) — high volatility, multipliers and freespins, but classic 5×3 grid.
Mobile version

Solar Odyssey is fully adapted for mobile devices thanks to the use of HTML5 technology. The game displays correctly on smartphones and tablets under iOS and Android management, retaining all functions and visual quality of the desktop version.
Pros and cons
Pros
- High potential win (3000x).
- Unique mechanism of expanding wild with respin.
- Possibility to purchase a bonus.
- Excellent graphics and atmosphere.
- Full mobile adaptation.
Cons
- High volatility is not suitable for beginners.
- RTP may be lower in some cases (from 89.53%).
- No cascading payouts or multipliers in the base game.
Locking
Solar Odyssey — this is a mature, technically advanced slot from Spinomenal, aimed at players who appreciate the depth of mechanics and the potential for big wins. Despite the high risk, bonus features and visual components make it worthy of attention.
Overall rating: 8.7/10
Frequently Asked Questions (FAQ)
What is the RTP of Solar Odyssey?
- The game offers several RTP options: 89.53%, 92.60%, 94.19% and 95.78%. The most profitable is 95.78%, but it depends on the case.
Can you play without a bet?
- Yes, most licensed casinos and aggregator sites offer a demo version without registration.
How many free spins can you get?
- From 10 to 50 spins depending on the number of scatters (3–5 pcs.).
Is there a risk-game?
- No, Solar Odyssey lacks a classic risk-game (doubling).
Does the game support mobile devices?
- Yes, the slot is fully adapted for iOS and Android.
