Review, Demo Play, Payout, Free Spins & Bonuses

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  • Fun steampunk science-themed game
  • Reel Modifiers change with every spin
  • Up to 100 Free Spins could be won
  • Modifiers rarely activate during base gameplay
  • Higher than average volatility

Spin-Vention is an online slot developed by High5. It's a very volatile game that comes with five reels and four rows. 

There are 20 fixed paylines, and the RTP is 96%. Based on a steampunk science theme, the slot features Wilds, Wild Reels, Multipliers, Instant Cash Prizes and a Free Spins Bonus round.


Fans of Crazy Lab and the exciting Tesla Jolt slot demo will be thrilled to discover this latest release from High5. Along with all the weird and wonderful paraphernalia that you’d expect to find in a mad scientist’s laboratory, you’ll also discover some hugely tempting reel modifiers awarding bonus credits, Wild Reels and much more. There’s also a thrilling free spins feature during which wins are much more likely to occur thanks to those modifiers.  

Theme, Graphics & Soundtrack 

High5 tell us that Spin-Vention is based around the activities of a less-than-honest inventor. Sir Lucien Callan has built himself a machine for forging money, but it’s still in its prototype phase of development. Housed in his loft apartment with stunning views across the cityscape, the crazy scientist is joined by a robot in a bowler hat and a young female assistant. Lower-value symbols are represented by machinery such as cogs, lamps and gauges to create a game with huge visual appeal. 

Some immersive animations add to the gameplay, with Wild cubes creating explosions that activate the Reel Modifiers. There’s a suitably impressive orchestrated soundtrack to add some extra atmosphere, making for another impressive game from the team at High5.


Spin-Vention RTP and Variance 

The RTP of 96% is higher than average, indicating that there could be some decent cash payouts for some lucky players. But this is a high-volatility slot, so you’ll need to play with a robust and elastic bankroll to reap the full benefits of gameplay. 

The higher than average volatility makes Spin-Vention a High5 slots game that needs to be tested in demo mode in the first instance. Wins aren’t always what they seem, so an extended gaming session playing completely risk-free can be hugely enlightening, not to mention thoroughly entertaining!

How to Play Spin-Vention

High5 pride themselves on creating slots games that are easy and intuitive to play. Follow our quick-start guide to familiarise yourself with the controls for Spin-Vention.

  1. Set your budget for your gaming session, and then divide it up to give you a minimum of 200 spins. The more spins the better, particularly with high-volatility slots, but 200 spins should give you a good idea whether or not this the game for you.
  2. Set the amount of your stake at the lower right of the screen. This amount is divided by 20 to apply to each of the paylines with every spin.
  3. Press the Spin button to play out one game. Autoplay lets you select automatic spins so you can concentrate on watching the action unfold without distractions.
  4. ap on the ‘+’ sign to the right of the game to access game sounds and the Information screens - these show you the paytable and explain the game rules. 

Bet Sizes & Paytable Wins 

With payline costs starting from just 0.01 each, Spin-Vention can be played from 0.20 to 100.00 per spin. Match three, four or five symbols across a payline to win a cash prize, shown here as multiples of your payline stake. Amounts shown are for base cash amounts only, before any Reel Modifiers have been applied.

Bulb, Gauge, Lamp, Cog = 2x, 5x, 10x

Robot = 10x, 20x, 50x

Woman = 10x, 20x, 50x

Scientist = 15x, 30x, 100x

Wild = 20x, 40x, 200x

Spin-Vention Bonus Features and Free Spins

There are two separate Wild symbols in Spin-Vention, both of which can substitute for all symbols on the paytable, apart from each other. The standard Wild can appear either on its own or as a Wild Reel, but it’s the other cube Wild that you’ll be watching out closely for. This three-dimensional cube rises up to grab whichever Reel Modifier applies to that reel, triggering it into action.

Reel Modifiers move one space to the left with each spin. They appear as symbols above the reels during base gameplay, switching to below the reels during the Free Spins Bonus rounds. Land one of the cube Wilds on a reel and it will grab the associated Reel Modifier and apply it, sometimes leading to several Modifiers being activated at once!

Modifiers include instant credit wins, Extra Wilds, Wild Reels, Multipliers and Free Spins. Free Spin symbols come with the number of Free Spins attached, activated when the cube Wild grabs the Modifier. During Free Spins the Prize Line moves below the reels, with extra cube Wilds added on to the reels, potentially leading to plenty of wins. Free Spins can be retriggered up to 100 times from a single paid spin. 

Spin-Vention Review

Risk-takers and high rollers will definitely want to check out Spin-Vention and test their luck. Everyone else should explore the game very thoroughly in demo mode, watching carefully to see how often the Free Spins feature is triggered. Thanks to the increased activity involving Reel Modifiers in the bonus rounds, this is where players usually stand the best chances of getting ahead of the game.

But this is a volatile game, so literally anything could happen as you spin the reels. The only real certainty is that players with modest gaming budgets are unlikely to get much gameplay for their cash, so sticking to demo mode offers the best chances of a rewarding gaming session!

Disclaimer: Spin-Vention trademark / license is owned by High 5. This site is not endorsed by High 5.

* This button takes you to an external third-party partner real money casino website. Although we try and match games with Casinos that have them, we advise that you double-check the slot content on the casino website before making a deposit or signing up.

Slot Data
Slot Name: Spin-Vention
Software: High 5
RTP: 96.00%
Paylines: 20
Reels: 5
Min Bet (all lines covered): £0.20 (GBP)
Max Bet: £100 (GBP)
Top Win: 10174
Features: Bonus Game , Wild Symbol , Scatter Symbol , Multiplier , Free Spins , 5 Reels
UK Available in GB? Game is not available in GB.


What is the RTP of Spin-Vention?

Spin-Vention has a theoretical return to player average of 96%.

What is the volatility of Spin-Vention?

This is a highly volatile game, so it’s best played out in demo mode to begin with.

What is the Prize Line in Spin-Vention?

The Prize Line is the extra row of symbols that apply reel modifiers throughout gameplay when activated by a cube Wild.

Does Spin-Vention have free spins?

Land a cube Wild below a Free Spins symbol on the Prize Line to win the number of Free Spins shown on the symbol.

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