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Gems Odyssey slot

3.8

(34 votes)

by Skillzzgaming Verified Video slots

Gems Odyssey swings big, with rare but sizeable wins — it also mixes Gold and Diamond themes.

Gems Odyssey is a 5x5 grid, cluster-pays slot by Skillzzgaming, released in 2017, with an RTP of 94.63% and high volatility.
September 2026 promo

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Slot bonus

$210 Free

Release date

2017

Last update

3 September 2026

Game properties

Reels5
Paylines5
RTP Range94.63%
Variance High
Game ProviderSkillzzgaming
Max Winx1000.00
Ways to WinBlast Gem Clusters
TechnologyFLASH, JS, HTML5
Jackpot100000
Min Bet0.5
Max Bet100
Bonus GameNo
ThemeGoldDiamondFantasySci-Fi & Space

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Gems Odyssey slot review 💎

My Take

Gems Odyssey swaps the usual reels-and-paylines layout for a 5×5 grid of matching gem tiles. That single change makes the whole game feel different to spin.

Skillzzgaming built it around a blast-clusters mechanic. Land a group of matching gems anywhere on the grid and they pop, dropping new ones in behind them. There’s no payline count to memorize here. You just watch the grid clear and rebuild. The Nebula Stones and the built-in Level Up progression give each session a sense of climbing toward something.

High volatility means the quiet stretches can run long.

I’d point this at players who want a slower, more deliberate cluster game.

How It Plays

The base game runs on a 5×5 grid, 25 gem tiles filled at the start of every spin. A single spin works like this:

  • Matching gems that connect in a cluster of enough tiles trigger a win.
  • Winning tiles clear, and new gems cascade down to fill the gaps.
  • Each new cascade gets checked for fresh clusters.
  • The chain keeps going until nothing new connects.

Bets run from $0.50 to $100 per spin. That’s wide enough to cover cautious low-stakes play and bigger swings alike. The payout math depends on how many tiles connect in a cluster and how far a cascade chain runs before it stops.

Bonus Features

Level Up

Landing wins feeds a Level Up meter tied to the game’s space theme. As the meter climbs, the game unlocks stronger multipliers and better-paying symbol combinations. Every spin doesn’t reset to the same odds; longer sessions build toward something bigger.

Multiplier

Cascading wins can carry a multiplier that grows as consecutive clusters clear in the same spin. A single spin that keeps triggering new clusters can stack several wins together before the cascade runs dry, and that stacking is what produces the game’s bigger payouts.

Nebula Stones

The Epic and Mythical Nebula Stone symbols sit at the top of the paytable and anchor the space theme. Searching them out among the star field is the game’s core hook. Clusters built around them pay the most.

RTP, Volatility & Max Win

Gems Odyssey carries a 94.63% RTP, matching the site’s own listed figure for this title. That number describes the theoretical return across a very large number of spins. It says nothing about any single session. Individual results swing well above or below it.

Volatility is rated high. The game holds back smaller, frequent wins and saves its payouts for bigger clusters and multiplier chains, so expect longer dry spells between hits than on a low-volatility slot. The maximum win is capped at 1000x your stake, reached through a cascade run that keeps stacking multipliers before it stops finding matches.

Mobile & Demo

Gems Odyssey runs on Skillzzgaming’s HTML5 engine, so it loads directly in a mobile browser. No separate app or plugin needed. The grid layout and cascade animations scale down cleanly to a phone screen.

The free demo above lets you play through the cluster mechanic and Level Up progression with no deposit and no registration. It’s the fastest way to check whether the cascade pacing suits you before betting real money. If cluster mechanics aren’t your thing, our full slots catalog has plenty of standard payline titles to compare it against, and Aztec Gems is worth a look if you want a gem-themed slot on a more traditional payline layout.

Where to Play

Gems Odyssey isn’t a title every casino carries. It’s a smaller Skillzzgaming release, not a mainstream Pragmatic Play or NetEnt slot, so its library footprint is narrower. The operators listed below carry this title. Check the game library search before assuming any other casino has it in its catalog.

My Verdict

Gems Odyssey won’t suit everyone. The high volatility means real dry spells, and the 5×5 cluster format runs at a different rhythm than a standard payline slot. If you like watching a grid clear and rebuild, and you don’t mind waiting out quiet stretches for a bigger multiplier chain, give the free demo a spin before you decide.

FAQ

Daniel Mertens

Daniel Mertens

Slots Editor

Slots editor who reads game mechanics before reviewing themes. Tests RTP, volatility, and feature behaviour in demo and cash mode against provider spec sheets.

Player reviews

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High rating

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