Which providers offer Gamble mechanics: Novomatic, EGT, Play 'n GO, etc.

The win doubling function (Gamble/Double Feature) is a classic mechanic familiar to players from ground machines and adapted into online slots. It remains popular with a number of developers, although many modern studios are gradually abandoning its use. Let's consider which providers are still actively offering Gamble and how their implementations differ.

Novomatic

One of the main popularizers of the Gamble function.
In the Book of Ra, Lucky Lady's Charm, Sizzling Hot series slots, the Gamble button is available after any win.
The player must guess the color of the card (red/black). Success doubles the payout, error zeroes out.
Limit: up to 5 consecutive doubles, the limit on the amount depends on the casino.

EGT (Euro Games Technology)

It differs in the proprietary Gamble implementation through ladder mechanics.
Instead of guessing the card, the player climbs a glowing ladder of winnings.
The number of steps can reach 7-10, which allows you to overclock the winnings more than Novomatic.
Gamble works for most winnings, including bonus winnings.

Play’n GO

Saves classic mechanics with guessing the color of the card.
Sometimes a variant of guessing suit (x4) is added.
It is used both in the slots of the old format (Book of Dead) and in some new releases.
Limit: up to 5 attempts in a row, the limit on the amount is fixed by the provider.

Aristocrat

An Australian manufacturer, in terrestrial pokies the Gamble function was the standard.
Online adaptations have retained doubling options, though often with a truncated number of attempts.
The difference is the ability of Gamble not only for the main game, but also for bonus payments.

Microgaming (in old slots)

A number of early Microgaming machines implemented classic card mechanics.
In modern slots, the studio practically abandoned it.

NetEnt и Pragmatic Play

These developers almost always lack Gamble.
The main bet is on bonus mechanics (free spins, multipliers, buy feature), and not on a risk game.
Exceptions are extremely rare.

Other providers

Merkur and Amatic - offer a simple version of Gamble with card color guessing.
Habanero and Wazdan - sometimes include the doubling function in old releases, but refuse it in new slots.

Why different approaches

1. Tradition and habit of players. Austrian and Australian studios retain Gamble as part of the classic experience.
2. Regulatory constraints. In some countries, the Gamble function is prohibited or limited, so providers do not implement it.
3. Focus on new mechanics. Modern studios prefer other ways to keep players - progressive multipliers, cascades, buy feature.

Result

The Gamble feature is actively used by Novomatic, EGT, Play 'n GO, Aristocrat, Amatic and Merkur, but is practically absent from NetEnt, Pragmatic Play and most new studios. Players who value the risk game should choose machines from classic manufacturers.