Four Queens to Debut Newly Manufactured Sigma Derby Machine

A new Sigma Derby machine is scheduled to go into service at Four Queens on Fremont Street next year, according to the Las Vegas Advisor, cited by Casino.org News.

It would be the first newly manufactured Sigma Derby placed on a casino floor in decades, arriving as the mechanical horse-racing game's cult following has grown even as working units have all but vanished.

Sigma Derby is an electro-mechanical, communal game built around a miniature racetrack with ten betting stations, offering a pari-mutuel-style wagering experience distinct from standard slot machines.

Only one original machine remains in public use, now installed at the Golden Gate after being moved there this summer from The D, where it had served as a second-floor centerpiece since 2012.

Sigma Game Inc., based in Japan, first introduced the game in 1985, and it became a Las Vegas casino staple through the late 1990s before scarce replacement parts and demanding upkeep drove it off most floors.

The Golden Gate's surviving unit originally ran at the New Frontier before being placed in storage. Derek Stevens's team located and restored it after he acquired Fitzgeralds in 2011, installing it when the property reopened as The D in 2012.

Stevens told Casino.org in 2022 that he had "always had a special place in my heart for Sigma Derby, and it was perfect for the vibe we were going for" when the second floor was given a vintage theme.

The machine's relocation to the Golden Gate this year was marked with a parade along Fremont Street on 16 June 2026.

A reproduction of the game was unveiled last month at the Global Gaming Expo in Las Vegas, where, according to industry reports cited by Casino.org, the new build was faithful enough that some observers mistook it for a restored vintage unit.

Four Queens owner Terry Caudill is also founder of Next Gaming, one of three companies behind the revival. Next Gaming developed the updated game in partnership with Highbrow Gaming and VSR Industries.

The new version keeps the original's look but updates the mechanics underneath, adding ticket-in/ticket-out functionality, bill acceptance and a digital display showing previous winning horses.

Wagers will range from 25 cents to $5, and operators will be able to set the game's theoretical return-to-player percentage anywhere between 86% and 94%.