Magnum Opus

Magnum Opus Slot Review

A brick chamber lit warm from below, a gold-trimmed frame set into the wall like a shrine, and a dark panel behind the reels where specks of light drift and settle. This is the alchemist’s workshop, and it’s the right setting for Magnum Opus, Endorphina‘s argument that a slot can hand almost everything back and still make you work for a win. It runs on a compact 3×3 grid with 5 paylines, and its total return of 98.01% is among the highest you’ll find anywhere – maths this kind comes at the cost of features, with a metal-making bonus round and a card gamble carrying everything.

It sits in Endorphina’s catalogue alongside titles like Crystal Skull and Dynamite Miner, along with Book Of Vlad. Few slots promise you gold this directly.

The Alchemist’s Reels

Magnum Opus is a 3-reel, 3-row slot with 5 fixed paylines. Wins pay for combinations of a kind, with matching symbols needing to sit on enabled paylines and adjacent reels starting from the leftmost. Wins on different paylines are added together.

That’s the whole of it, and it rewards filling the screen. With nine positions on the grid and a handful of symbols, the interesting outcomes come from near-miss grids rather than standard line hits.

There’s no wild and no scatter here. The Alchemical Elements do the special-symbol work themselves: a full screen of one Element, and the Golden Elixir Bonus Game begins.

The paytable is short and steep, with all values shown as multiples of the total bet for three of a kind:

• Lion – 150x the total bet
• Moon – 40x the total bet
• Eye – 12x the total bet
• Earth, Fire, Water, Air – 8x the total bet each
• Geometric sphere – 1x the total bet

From the Lion at the top, the drop is steep. The Lion pays nearly four times what the Moon does, and almost nineteen times the Element symbols, which means a single Lion line carries more weight than most full screens of lower icons.

The four Elements, Earth, Fire, Water and Air, pull double duty. They’re mid-tier payers at 8x, and they’re also the symbols that fill the grid to trigger the bonus. The humble sphere at 1x is the filler that mostly gets in the way of a good experiment.

Golden Elixir Bonus Game

Filling all nine positions with Alchemical Elements of a kind takes you into the Golden Elixir Bonus Game. You find yourself in the Alchemist’s Laboratory, helping him make gold, and your 9-of-a-kind combo win becomes the raw material he works with.

To begin, you select an Alchemical Element and let the experiment run. If it succeeds, you’ve created a metal and can push further by adding one of the remaining Elements to what you’ve made. If it fails, the Bonus Game is over on the spot.

The multiplier ladder works in a strict order:

• Cuprum (copper) – x2 on your 9-of-a-kind combo win
• Argentum (silver) – x4 on your 9-of-a-kind combo win
• Aurum (gold) – x8 on your 9-of-a-kind combo win

Making gold on the first try is impossible. You have to create copper first, then silver, and only then can you attempt the final transmutation. Each step raises the multiplier, and each step risks the lot.

One rule matters more than it first appears: wins in the Bonus Game don’t stack. Only the last activated multiplier is applied to the 9-of-a-kind combo win, so reaching silver and then failing the gold attempt still leaves you with the silver multiplier intact. The round is played at the same bet as the base game.

Risk Game (Gamble)

After any win, you can take the Risk Game. Four cards are dealt face down on the table, and you pick one. Beat the Dealer’s card and your win doubles, and you can try again, up to 10 attempts in total.

If the Dealer wins any round, you lose the winnings and the Risk Game ends. The TAKE WIN button is always there if you’d rather bank what you have and step away from the table.

Before you pick, a few workings of the deck are worth knowing:

• Closed cards can be higher or lower than the Dealer’s card
• Cards may re-appear from round to round
• The probability of cards being dealt is not equally distributed
• The Joker beats all other cards, and the Dealer can never get one
• Matching the Dealer’s card value is a draw – your winnings don’t change, and you take another attempt

The odds move with the Dealer’s card, and the spread is wide. Against a Dealer 2, the round returns 162%; against an Ace, just 42%. The full ladder runs 2 at 162%, 3 at 121%, 4 at 113% and 5 at 101%.

From there it slides: 6 through 8 sit at 100%, then 9 at 92%, 10 at 78%, J at 69%, Q at 66%, K at 64% and A at 42%. Take the risk regardless of the Dealer’s card and the average return for the Risk Game round is 84%. That’s well below the base game’s return, which is the price of the doubling.

Someone who walks away from weak Dealer cards and presses strong ones is playing a different game to one who gambles every round. The numbers above reward the first approach.

Our Honest Verdict

Overall Rating: 7.3/10

Playing Magnum Opus is mostly one long wait for a full screen. The 3×3 grid makes every spin legible at a glance, and the appeal is watching a single Element spread across it one position at a time, while a return this generous makes the waiting cheaper than it has any right to be.

The Golden Elixir ladder is the best thing here. Because gold can’t be made first, every bonus is a climb rather than a lottery, and the last-multiplier rule means a failed final experiment still banks silver. The weakness is the road there: a full screen of one Element is the only way in, and with spheres filling the gaps, the base game between bonuses is a steep, quiet paytable and not much else.

This is one for the patient: compact grid, unusually kind maths, and a bonus you have to earn one metal at a time. Anyone chasing constant features will find the spin button lonely between experiments. For the right player, though, the gold in this workshop is real enough.

Magnum Opus FAQs

• What is the RTP of Magnum Opus?

  Magnum Opus runs at a total RTP of 98.01%, which is among the highest returns available on any slot. The Risk Game gamble has its own separate return of 84% per round if you take the risk every time.
• How many paylines does Magnum Opus have?

  Magnum Opus has 5 fixed paylines. Matching symbols need to land on enabled paylines and adjacent reels, starting from the leftmost reel, and wins on different paylines are added together.
• What is the grid size of Magnum Opus?

  Magnum Opus uses a 3×3 grid – three reels and three rows – with a total of nine symbol positions. It’s a compact format where a single Element can take over the whole screen.
• When is Magnum Opus released?

  Magnum Opus was released on 20 October 2021.
• Who makes Magnum Opus?

  Magnum Opus is made by Endorphina, a provider with a large catalogue of slots including Crystal Skull, Dynamite Miner and Book Of Vlad.
• How do you trigger the Golden Elixir Bonus Game?

  You need every one of the nine grid positions filled with the same Alchemical Element: Earth, Fire, Water or Air. A full screen of a single Element is the only way into the round.
• Can you make gold on the first try in the bonus game?

  No. Making gold on the first attempt is impossible – you must first create copper, then silver, and only then attempt gold. The multipliers are x2 for copper, x4 for silver and x8 for gold, applied to your 9-of-a-kind combo win.
• What is the RTP of the Risk Game gamble?

  The Risk Game round averages an 84% return if you take the risk regardless of the Dealer’s card. Your actual chances vary each round with the Dealer’s card, from 162% against a Dealer 2 down to 42% against an Ace.