Mystery Apollo II

Review, Demo Play, Payout, Free Spins & Bonuses

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  • Gamble feature
  • Multipliers can be won on any spin
  • Below-average RTP

Mystery Apollo II is an online video slot created by Apollo Games. Played on 3x3 reels with 27 paylines, the RTP is 95 per cent and the variance is medium. Features include wilds, respins, multipliers, and a gamble option. 


Mystery Apollo II is an online slot developed by Apollo Gaming. It is played on 3x3 reels with 27 paylines that pay from left to right. The simple format comes packed with features, including a gamble option and a mixer symbol that triggers one of four outcomes: the joker, which acts as the wild symbol; a multiplier, which can appear multiple times with different values that accumulate; a mystery symbol that pays a multiple of the bet; or a respin symbol that triggers one free game. 

The mystery symbol can be the top-paying symbol; however, the regular paying symbols begin with the joker as the top-paying symbol when you land three in a row. Next up is the double 7, which shares its value with the watermelon. Next on the paytable are the grapes and bells, followed by the plums, oranges, lemons and cherries. 

If you are a fan of this developer’s work, you will find more Apollo Games slots to play free in demo mode here at Slots Temple.

Theme, graphics and soundtrack 

This game has a classic fruit machine vibe, which is accentuated by the 3x3 reels and the retro symbols. The twist is that there are also multipliers, a mystery symbol, and a respin symbol. The curved reel presentation enhances the retro feel; what’s more, the design makes this game perfect for playing on your phone.

The soundtrack is mysterious to match the theme. When winning lines or features land, the player is treated to a classic electronic tune from retro land-based machines of the 70s.

If you are slightly confused by the title when you open the game, expecting to see a classic Greek myth presentation, take a look at the Rise of Apollo slot from PG Soft. This title has six reels, 46,656 ways to pay, and a healthy RTP of 96.78 per cent. 

Mystery Apollo II

Mystery Apollo II RTP and variance

The :RTP of Apollo II is 95 per cent. This was around the industry average when the game was launched; however, the average for today’s games is around 96 per cent The variance is medium.

How to play Mystery Apollo II

The game has a simple format; however, as there are quite a few features, here is a brief guide to help you get started:

  1. Once the game opens, click the menu button in the bottom left-hand corner to open a new set of screens.
  2. Click the question mark button on the left to open the help page.
  3. After a brief introduction, you will see a description of the gamble option.
  4. Below this is a detailed description of the mixer symbol and the powers it has to produce a wild, multiplier, mystery prize or free spin.
  5. Click the pile of chips with a menu icon attached to open the paytable.
  6. Continue down this page to see thumbnails of the paylines.
  7. Click the settings cog to adjust the sound or engage autoplay.
  8. Return to the main screen to adjust your wager in the bet window.
  9. You will see your winnings and balance in the windows to the left.
  10. You are now all set to play by hitting the start button.

Remember that you can play this game, along with many other free slots, right here at Slots Temple. We suggest taking advantage of this opportunity to familiarise yourself with the game. Always set yourself a realistic budget for each session and take advantage of the timeout and self-exclusion functions if necessary. 

Bet sizes and paytable wins 

Bet sizes in Mystery Apollo II range from 0.10 to 50. The paytable for three matching symbols is as follows:

  • Wild = 10x
  • Double 7, watermelon = 4x
  • Grapes, bells = 3x
  • Plums = 2x
  • Oranges, lemons = 1x
  • Cherries = 0.40x 

The payout for landing the mystery symbol is between 2x and 20x.

Mystery Apollo II bonus features 


Once a win has landed, you can press the gamble button to risk all or half of your win. You do so by choosing the colour of a playing card: red or black. You can gamble up to five times.

Mixer symbol

When the reels stop with a mixer symbol in view, it will change into either a wild, multiplier or mystery symbol or award one free spin. The latter can retrigger a maximum of three times. The mystery symbol can appear with a payout of between 2x and 20x.

Mystery Apollo II review: our verdict 

This is a retro slot with a twist from Apollo Gaming. The layout and symbols are reminiscent of a classic fruit machine; however, the designer has levered in plenty of extras involving multipliers, wilds, free games and mystery prizes.

The RTP is a little disappointing but was around average when the game first appeared. The variance is medium, which will appeal to plenty of players. The decent bet spread may even attract high rollers, although the maximum payout will not necessarily appeal.

Why not try Mystery Apollo II for free here at Slots Temple to see whether it appeals?

Disclaimer: Mystery Apollo II trademark / license is owned by Apollo Games. This site is not endorsed by Apollo Games.

Slot Data
Slot Name: Mystery Apollo II
Software: Apollo Games
RTP: 95.00%
Paylines: 27
Reels: 3
Min Bet (all lines covered): £0.10 (GBP)
Max Bet: £50 (GBP)
Top Win: 20
Features: Wild Symbol, Multiplier, Gamble, 3 Reels
UK Available in GB? Game is not available in GB.


What is the RTP of Mystery Apollo II?

The RTP is 95 per cent. This is below the industry average.

Are there free games available?

Yes, you can trigger one free spin in Mystery Apollo II. This can retrigger a maximum of three free games.

Is there a gamble feature?

Yes, you can take advantage of a gamble option up to five times after each win. You can wager either all or half the winning amount each time you gamble.

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