18+ Gambling involves financial risk. Play only with money you can afford to lose.Canadian player guide - Updated for 2026

Greatest Odyssey Slot Review: An Older Playtech Adventure

5 casino picks

Top 5 Canadian casinos

Compare the first five casinos from our main casino comparison. Read each casino review for more details.

CasinoNameRatingBonusAction
JackpotCity logoJackpotCityRead full review★★★★☆4.0/5
WELCOMEUp to $1,6004 × 100% matches + daily spins
Play nowRead review
Casumo Casino logoCasumo CasinoRead full review★★★★★5.0/5
WELCOME100% up to CA$1,000+ 100 bonus spins
Play nowRead review
Betway Casino logoBetway CasinoRead full review★★★★☆4.5/5
WELCOME100% up to $1,000+ 50 bonus spins
Play nowRead review
888 Casino logo888 CasinoRead full review★★★★☆4.3/5
WELCOME100% up to $200New-player match
Play nowRead review
Ruby Fortune logoRuby FortuneRead full review★★★☆☆3.6/5
WELCOMEUp to $7503 × 100% deposit matches
Play nowRead review

Offers and editorial ratings are reproduced from this site's existing comparison. Bonus snapshot: August 22, 2026. Promotions, eligibility and availability vary by province; check the casino's current terms before depositing. Wagering requirements and other conditions apply. Affiliate links may earn a commission at no extra cost to you. 18+.

The Greatest Odyssey slot is a Playtech game launched in June 2008. It uses a 5x3 grid with 25 paylines and bets from $0.01 to $250 per spin. Listings mention wilds, scatters, multipliers, free spins and a bonus round. The RTP is 94.09% with medium volatility. Detailed feature rules are not widely published for this older title.

In this Greatest Odyssey review, we cover what is known and help Canadian players decide whether to set sail.

Game screenshots

Greatest Odyssey game screenshot 1
Greatest Odyssey — gameplay view
Greatest Odyssey game screenshot 2
Greatest Odyssey — second game view

Greatest Odyssey at a Glance

FeatureDetails
ProviderPlaytech
ReleaseJune 2008
Reels and rows5 reels, 3 rows
Paylines25
RTP94.09%
VolatilityMedium
Bet range$0.01 to $250
FeaturesWilds, scatters, multipliers, free spins

Key Takeaways

  • Greatest Odyssey is a 2008 Playtech slot with 25 paylines.
  • The RTP is 94.09%.
  • Volatility is medium.
  • Listings mention wilds, scatters, multipliers and free spins.
  • Detailed rules are limited online.

Theme and Design

The game uses a cartoon-style adventure theme built around a great journey.

How to Play Greatest Odyssey

Choose a coin size and up to 25 lines, then spin. Wins pay from left to right.

Wilds and Scatters

The game uses wild symbols to complete wins and scatters that pay anywhere. Check the paytable for exact values.

Free Spins and Multipliers

Listings describe free spins and multipliers. The help screen at your casino explains how the round triggers and what it pays.

RTP and Volatility

The Greatest Odyssey RTP is 94.09%, below average. Volatility is medium.

Tips for Playing Greatest Odyssey

  • Read the paytable. Feature details are limited online.
  • Play all 25 lines. Wild wins need active lines.
  • Keep stakes moderate. The RTP is below average.
  • Check availability. Older games are not everywhere.
  • Set limits. Decide your budget and time limit before you start.

Who Should Play Greatest Odyssey?

Greatest Odyssey suits players who enjoy older Playtech video slots.

Planning a Session

A bankroll of around 150 times your stake is a sensible starting point.

What a Typical Session Looks Like

In a typical session, line wins land across the 25 lines, with free spins providing the bigger moments.

Before You Start: A Quick Checklist

Before playing, read the paytable and set a spending limit.

Greatest Odyssey for Canadian Players

Canadian players have several ways to find Greatest Odyssey, depending on their province. In Ontario, the regulated market includes OLG and a long list of private sites registered with iGaming Ontario. Elsewhere, provincial platforms such as PlayNow, PlayAlberta and Loto-Québec's online casino are joined by licensed international operators that accept players from Canada.

When choosing where to play, look for a licensed site that carries Playtech games, supports Interac and keeps your balance in CAD. Responsible gambling tools, including deposit limits and self-exclusion, are a sign of a trustworthy operator. Always read bonus terms carefully, since some games contribute less toward wagering requirements than others.

Pros and Cons

ProsCons
25 paylinesRTP of 94.09%
Free spinsLimited published details
MultipliersOlder graphics
Medium volatilityHarder to find
Wide bet rangeFeature rules unclear online

How Greatest Odyssey Compares

Compared with Playtech's Gladiator, Greatest Odyssey has a similar RTP but fewer documented features. Compared with Great Blue, it is less well known.

Is Greatest Odyssey Worth Playing?

It suits fans of classic Playtech games, though better-documented options exist.

Checking an Older Game Before You Play

For older Playtech games like Greatest Odyssey, online information can be patchy. The paytable and help screen in the game are the best guide to how the features work.

If your casino offers a demo, a few minutes of free play is a good way to learn the rules before you commit real money.

Playing Greatest Odyssey on Mobile

Most Canadian casinos run their games in HTML5, which means Greatest Odyssey can usually be played in a phone or tablet browser without downloading an app. The reels and buttons scale to the screen, and the paytable and settings are still available from the menu.

Playing on a small screen makes it easy to lose track of time, so it is worth using the deposit limits and session reminders that licensed casinos offer. A stable Wi-Fi or data connection also helps, since a dropped connection in the middle of a feature can be frustrating, although the result of the spin is always recorded by the casino.

Understanding RTP in Greatest Odyssey

Return to player, or RTP, is a long-term average calculated over millions of spins. It describes how much of the money wagered on Greatest Odyssey is paid back over time, not what will happen in a single session. Two players can have completely different results on the same day, and short sessions can swing far above or below the published figure.

RTP is still useful for comparing games. A slot with a higher RTP returns more on average, so it can stretch an entertainment budget further. Some casinos offer more than one RTP version of the same game, so check the figure in the help or information screen at the casino you choose before you play Greatest Odyssey.

Bankroll Basics for Greatest Odyssey

Before you play Greatest Odyssey, decide how much you are comfortable spending and treat that amount as the cost of entertainment. Divide it by your stake to see how many spins it will cover, and choose a stake that gives you a session long enough to see the main features. If the balance drops faster than expected, lowering the stake is usually better than adding more money.

It also helps to set a win goal. If you reach it, consider ending the session or setting aside part of the winnings. Deposit limits, loss limits and session reminders at licensed Canadian casinos make these rules easier to keep, and they are worth turning on before you start.

Trying Greatest Odyssey in Demo Mode

Many casinos and game sites offer a free demo version of popular slots, where you spin with virtual credits instead of real money. If a demo of Greatest Odyssey is available, it is a good way to learn how the features trigger, how often wins land and whether the theme holds your interest, all without risking your own balance.

Keep in mind that demo results are random, just like real-money play, so a lucky or unlucky demo session does not predict what will happen later. Use the demo to understand the rules, then decide on a stake and a budget if you choose to play for real.

Choosing a Casino for Greatest Odyssey

When you look for a casino to play Greatest Odyssey, licensing comes first. Ontario players should choose sites registered with iGaming Ontario, while players in other provinces can use their provincial lottery platform or a reputable licensed operator. A licensed site uses tested random number generators and offers responsible gambling tools.

After licensing, compare payment options, withdrawal times and bonus terms. Interac is the most popular deposit method in Canada, and a CAD balance avoids conversion fees. If you plan to use a bonus, check how much slots contribute to the wagering requirement and whether there is a maximum bet while the bonus is active.

Understanding Volatility in Greatest Odyssey

Volatility describes how a slot's wins are spread out over time. Low volatility games pay small amounts often, while high volatility games pay less often but can deliver larger results when they do. Knowing where Greatest Odyssey sits on that scale helps you choose a stake and a bankroll that match how you like to play.

A simple rule is to lower your stake as volatility rises, so that your budget covers enough spins to reach the main features. If a session feels more swingy than you expected, taking a break or reducing the bet is a sensible response. Volatility never changes the odds of a single spin, but it does shape how a session feels.

How Greatest Odyssey Fits Playtech's Catalogue

Greatest Odyssey dates from 2008, when Playtech was releasing many 25-line video slots with free spins and multipliers. Games from that era tend to have simpler graphics and more traditional features than modern releases, but they are often easy to pick up and play.

If you enjoy this style, Playtech's Great Blue and Gladiator from the same period are better documented and widely available. Comparing the RTP and feature list of each at your casino is a good way to choose between them.

Should You Play an Older Slot?

Older slots can still be fun, but they often have lower RTPs than newer games. Greatest Odyssey's 94.09% is below today's average of around 96%, which means it returns slightly less over the long run.

If you choose to play, keep stakes modest, set a time limit and treat the session as entertainment. A newer game with a higher RTP may be a better choice if value is your main priority.

Similar Slots

If you enjoy Greatest Odyssey, try Great Blue, Gladiator and Golden Tour.

Mistakes to Avoid

  • Assuming feature rules.
  • Ignoring the RTP.
  • Playing fewer than 25 lines.
  • Ignoring the Greatest Odyssey paytable, which shows the value of every symbol at your chosen stake.
  • Forgetting to take regular breaks during a long Greatest Odyssey session.

Our Verdict

The Greatest Odyssey slot is an older Playtech adventure game with free spins and multipliers, though its rules are not widely documented.

Play Responsibly

Every spin is random, and no strategy guarantees a win. Set limits, take breaks and never chase losses. You must be 19 or older to play in most provinces, or 18 or older in Alberta, Manitoba and Quebec. Ontario residents can contact ConnexOntario at 1-866-531-2600 for free and confidential support, and every province offers responsible gambling services.

Greatest Odyssey FAQ

Who makes Greatest Odyssey?

Playtech.

When was it released?

June 2008.

What is the RTP?

94.09%.

How many paylines are there?

25.

Are there free spins?

Yes, according to listings.