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MVG: Why memorable slot design transcends graphics

Writer: Massive Gaming
Massive Gaming
4 hours ago
6 min read

With thousands of titles competing for space in online casino lobbies, creating a visually impressive slot is no longer enough to guarantee attention.

Players can move between games within seconds, placing pressure on studios to communicate a title’s appeal almost immediately. Yet attracting the initial click is only one part of the challenge. 

SLOT MART, the slot development studio operated by Massive Gaming (MVG), is attempting to address that challenge by placing cohesion at the centre of its design philosophy, bringing together artwork, mathematics, sound, mechanics and user experience.

For James Won, Director of Products at MVG, this has changed the benchmark for what constitutes strong slot design.

“We do not define great slot design simply in terms of beautiful graphics or spectacular visual effects,” Won explained.

“When players first encounter a game, it should capture their interest within seconds, be easy to understand, create anticipation and suspense as they play, and leave them with something memorable after they move on.

“The theme, artwork, UI, sound, math model, features and reward presentation all need to come together as one cohesive experience.”

Standing out without reinventing the slot

Despite the evolution of technology and player expectations, Won does not believe studios need to continuously reinvent the fundamental principles behind slot gaming.

He said: “At its core, the slot is built on a very old form of play: the appeal of chance and the anticipation of what might happen next when the outcome is not entirely within the player’s control.

“I do not think we need to reinvent that fundamental appeal every time. What matters is finding new ways to express that anticipation and suspense within the familiar conventions of slot games.”

The challenge is that delivering a technically accomplished game is no longer enough.

“As the market has become more saturated, the bar has risen,” Won continued. “A game can no longer succeed simply by being ‘well made’. Among thousands of titles, it has to make clear why someone should try it and why they should remember it afterwards.”

That battle for attention is particularly intense online, where players can scroll through vast casino lobbies containing thousands of thumbnails. For B2B suppliers, the challenge is heightened by limited opportunities to promote individual games directly to players.

Won stated: “In many cases, the product itself ultimately has to do the marketing.

“Online, players scroll through thousands of thumbnails and games. In a land-based casino, they choose which machine to sit down at from a crowded gaming floor. The environments are different, but the question is the same: ‘Why this game rather than any other?’”

A compelling theme can provide the answer initially, but Won stressed that securing the click and sustaining play are two different design problems.

“A strong theme and visual identity can attract attention on the first screen. But after the click, if the game feels too complicated or too slow, or if players cannot tell what to expect within the first few spins, they can leave immediately.”

MVG’s player data has placed greater emphasis on fast-paced gameplay, intuitive features and clearly communicated anticipation around bonus events.

“If the theme and first impression open the door, the game’s pace and clarity, together with the way it structures anticipation and rewards, are what keep the player inside.”

Why should this game exist?

For SLOT MART, differentiation begins before production.

“Our starting point is not ‘What should we make look beautiful?’ but ‘Why should this game exist?’” Won explained.

Every concept must pass an approval stage before development begins, with the team first defining its intended market, customers, place within the existing portfolio and point of differentiation.

“In particular, I believe its point of differentiation should, wherever possible, be clear enough to explain in a single sentence.”

Only after answering those questions does the process move towards mechanics, mathematical profiles, symbols, characters, backgrounds, UI and sound.

Another question then becomes central to development: “What should the player remember after they finish playing this game?”

“We do not view a slot simply as a collection of features,” Won said. “If it is intended to be humorous, the entire game should create a humorous experience. If it is intended to feel epic, the art, sound, features and presentation should all serve that emotion.

“I believe a great slot is less a collection of individual elements than a complete, cohesive entertainment experience.”

When spectacular design becomes a problem

Focus on cohesion also means understanding when visual presentation can begin to undermine gameplay.

“Visual quality is extremely important,” Won acknowledged. “Slots rely heavily on visual feedback to make outcomes and rewards feel tangible, so strong artwork and impactful presentation are important tools for heightening player anticipation and emotion.

“However, visual ambition must not interrupt the flow of the game.”

MVG’s analysis of player behaviour has identified complaints around slow reels, lengthy reward animations and delays before the next spin following a win. Conversely, faster gameplay and intuitive features have repeatedly emerged as positive factors.

For Won, the answer is establishing a hierarchy around when visual spectacle is genuinely valuable.

He added:  “At points that require an emotional peak, such as a big win or a feature trigger, we can give the presentation room to shine. During regular play, however, the experience should remain as fast and clear as possible.

“Ultimately, art should not get in the way of gameplay. It should help the gameplay communicate its intended emotion more powerfully.”

Innovation through familiarity

The same philosophy influences how SLOT MART approaches mechanics.

Rather than believing differentiation requires complicated features, MVG’s internal data has highlighted player preferences for established mechanics including Random Wilds, Multipliers, Sticky Wilds, Hold & Spin and Mystery Symbols.

“I think the key is not trying to reinvent everything,” Won said. “We do not need to teach players the slot genre all over again. Especially when money is at stake, players need to feel that they understand what is happening.”

SLOT MART therefore looks to combine familiar slot mechanics with a clear point of difference.

One of its new production lines, for example, draws on classic literature and fairy tales in the public domain, connecting the original work’s identity with the game’s symbols, UI, audio and win presentation.

Won stressed: “Originality does not have to come only from complex new rules. Making a familiar game memorable in an entirely new way can be a powerful form of innovation in its own right.”

Feedback should find problems, not solutions

Delivering that experience also requires collaboration between designers, artists, developers and mathematicians.

“No single discipline can produce a successful slot on its own,” Won explained.

“A game designer may devise an engaging feature, but it will have little impact if the math model does not create the intended sense of anticipation. Equally, even a strong mathematical structure will not produce a good player experience if players cannot understand what is happening.”

SLOT MART also exposes titles to colleagues outside the immediate development team during work-in-progress and final stages. However, Won stressed that feedback is not treated as a democratic decision-making process.

“We do not treat feedback as a vote,” he said. “When someone says a game is ‘not engaging’, ‘hard to understand’ or ‘frustrating to play’, the key is not necessarily the solution they propose, but understanding why they felt that way.

“We see feedback less as a system for supplying answers and more as a system for uncovering problems we may have missed.”

That approach contributed to SLOT MART receiving the Silver Award for Game Design & Art Direction at the SBC Awards Europe, according to Won.

Won reflected: “I do not think it came down to one particular art style or a single feature. The biggest contributor was our approach to treating the entire game as one cohesive experience.”

Using data without designing by spreadsheet

Player analytics now provide studios with significantly more information about how games perform after release, but Won cautioned against allowing successful metrics to dictate future creativity.

He stated: “If we look only at the data before making a new game and say, ‘This performed well, so let’s make more of it,’ we risk ending up with a catalogue of very similar titles.”

MVG instead examines metrics including one-minute retention, continued play after a set number of bets, session length, changes in bet size and return frequency after games have entered the market.

Won added: “The important thing is not to let the data dictate what we should make. Data and feedback are better viewed as tools for identifying where our assumptions may have been wrong.”

As production technology, including AI, improves, Won believes the cost of reaching a high baseline level of visual quality will continue to fall. Consequently, graphics and technical polish alone will become difficult areas through which to differentiate.

Instead, Won identified five characteristics likely to define leading slot design: immediacy, clarity, emotion, cohesion and memorability.

“In a market where players can choose from thousands of slots, making a good game is no longer enough,” he concluded.

“We do not need to teach players how slots work all over again. We need to give them a reason to choose this particular slot and a reason to remember it.

“I believe that will be one of the defining qualities of the best-designed slots in the years ahead.”


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