Return to player
95.48%
Minimum bet
0.20
Slot category
Video Slots
Volatility
High
Number of reels
5
Progressive jackpot
No
Popularity rating
Maximum bet
50
Software provider
Popiplay
Bonus features
Yes
Paylines
20
Theme
Greek Mythology
Mythos online slot game
The Mythos slot brings the legends of Zeus and Hercules to a 5-reel, 20-payline online game. It features free spins, a high-paying stacked symbol, sticky Wilds, multipliers, a Heroic Frame feature and a Bonus Buy option, with a stated maximum win of 2,800x.
MYTHOS SLOT AT A GLANCE
- Reported RTP below average at 95.48%
- Three Bonus Buy options priced at 50x, 120x or 400x the spin bet
- Staked Snake is the highest-paying symbol at 4 high
- Features appear in both the base game and the free spins bonus
Graphics and audio

The review describes impressive, carefully crafted graphics across mobile and desktop versions. High-definition scenery fills the background, with ships and fog moving through a picturesque mythical setting suited to the two warriors featured in the Mythos video slot. Reel symbols and triggered features also use striking animated effects.
The theme tune is described as a melody suited to the era suggested by the setting, while winning symbol combinations produce a high-pitched sound.
HOW TO PLAY THE MYTHOS SLOT GAME

Popiplay often varies the reel grid in its online slots to create distinctive layouts. Mythos uses a 5x4 reel arrangement with 20 paylines.
The game has 11 regular-paying symbols, with combinations of 3, 4 or 5 paying when aligned. The stacked snake symbol pays for 2, 3, 4 or 5 symbols in a left-to-right pay-line sequence.
Hercules, holding a spear, is Mythos’s Wild symbol. He substitutes for every regular symbol.
The Heroic Frame feature in the base game can create additional winning combinations by turning symbols into Wilds and adding multipliers. It can also appear while spinning for the free spins bonus, which the review identifies as the feature with potential for the slot’s largest wins.
Reported payouts for regular-symbol 5-symbol combinations:
- Staked Snake: 10x
- 2 Headed Red Wold: 3.75x
- Pegasus: 3.75x
- Minotaur: 3x
- Medussa: 3x
- Whimsical Creature: 3x
- Green Cyclops Man: 3x
- Greek Symbols: 1.5x

BONUSES AND FREE SPINS

The review highlights Mythos’s engaging base-game features, so players do not have to wait for a bonus to pursue larger wins. The sections below explain when its features can appear.
BASE GAME FEATURES
- Heroic Frame: This base-game feature activates when a Hero symbol lands on the reels. It frames that reel position and stays sticky for 10 spins before changing into a Wild symbol.
- Extra Multiplier: When a Hero symbol lands in a cell with a Heroic Frame, the multiplier for that spin increases by 1. The Extra Multiplier applies to every winning combination and resets to 1x when a new 10-spin cycle begins.
FREE SPINS BONUS AND FEATURES
- Free Spins: Landing the Zeus Thunderbolt Scatter on reels 1, 3 and 5 triggers 10 free spins.
- Free Spins Sticky Wilds: During the free spins bonus, a Wild stays sticky when it lands on the reels. The review reports that several sticky Wilds had accumulated near the end, making almost every spin a ‘Big Win’.
BONUS BUY FEATURES
- Random Wilds: This feature requires a bet of 0.20 to 20.00. It costs 50x the stake and awards free spins with a random number of Wilds.
- 2x2 Wilds: Buy this feature with a spin bet from 0.20 to 7.00. It costs 120x the stake and awards free spins with 4 sticky wilds on the reels.
- 3x3 Wilds: This feature can be played with a spin bet from 0.20 up to 2.00. For 400x the spin bet, it awards 10 free spins with at least 6 sticky wilds.
TECHNICAL DETAILS
The review lists Mythos with an RTP of 95.48% and high-variance gameplay. Its stated maximum win is 2,800x the bet, and the betting range is 0.20 to 50.00 per spin.
EVAN CARRINGTON’S CASINO IDEAL OPINION OF MYTHOS

Popiplay has created an appealing theme that may attract slot players, though the RTP could put some off. The review argues that pairing the theme and familiar features with a lower RTP was an unnecessary risk for the provider.
For players who are not concerned about losing half a percent, the review considers Mythos worth trying. Its base-game features offer chances to win, but players looking for wins large enough to affect their bankroll would need to trigger the free spins bonus.
Try Mythos in demo mode and decide what you think of the slot.
Evan Carrington brings more than 12 years of experience in the iGaming industry, with a focus on reviewing online casinos, assessing slot games and examining player safety. Their work covers casino licensing, RTP, volatility, bonus terms and withdrawal policies. Drawing on practical testing and independent research, Evan provides clear, evidence-based reviews to help players understand gambling platforms, their features and possible risks.