Mayan Chief Great Stacks
About this machine
Win up to 15 Free Games on each active payline and weigh your chances with the Balance of Fortune™ Feature*
Free Games pay 2x and are always played on max lines
WILD (MAN) appears only on reels 2, 3, 4 & 5
Upon triggering free games, Balance of Fortune is offered and can exchange Free Games for Super Free Games (Yellow, Red or Green) or a Credit Prize*
The Yellow, Red and Green Super Free Games each offer a different number of free games with different multipliers depending on the number of free games triggered, and different sets of symbols*
Available in 40, 50, and 60-line (Fixed or Standard) configuration
*Balance of Fortune™ Feature not available with software specific to Historical Horse Racing (HHR) facilities
Description sourced from the manufacturer's public product page.
Mayan Chief Great Stacks on video
Real footage of this machine — 6 clips whose title names it. We index them; the videos live on YouTube. More on YouTube ↗
Artwork & cabinet
Where Mayan Chief Great Stacks sits in Konami Gaming's range
Mayan Chief Great Stacks is part of Konami Gaming's Mayan Chief line, which runs to 5 documented titles. Manufacturers ship a hit as a family rather than one box, so entries in a series share branding and often a bonus structure while carrying different maths.
It runs on Konami Gaming's KP3+ platform. The platform is the cabinet family — screen geometry, button deck, seat — and it is what you recognise from across a floor before you can read the title.
Why Mayan Chief Great Stacks doesn't have an RTP in the usual sense
This machine is designated HHR — historical horse racing. Despite the reels on the screen, it is not running a slot maths model at all: each play is a parimutuel wager settled against the archived result of a real horse race that has already been run, with identifying details stripped out.
That distinction is what lets these machines operate in states that never legalised slot machines — Kentucky, Virginia, New Hampshire and Wyoming among them. It also changes where the money comes from: payouts are funded from a wagering pool shared with other players, not from a fixed theoretical return set by the manufacturer.
So the honest answer is that the return depends on the pool and the takeout rate the operator applies, not on a par sheet inside this cabinet.
Reels, symbols and bonus animations on an HHR machine are a presentation layer over the race result. Konami Gaming builds the cabinet and the presentation; the wagering system underneath is regulated as parimutuel racing.
Where to play
We don't yet have verified floor placements for this machine. Our casino cross-reference covers 442 properties, but only through IGT's public linked-progressive data — which doesn't reach Konami Gaming titles. We would rather show nothing than guess.
Rest of the Mayan Chief line
All 5 Mayan Chief machines →5 titles carry this branding. They share artwork and usually a bonus structure, but each ships its own maths.
Also on the KP3+ platform
The platform is the cabinet family — same screen geometry and button deck. If you can spot one of these across a floor, you can spot all of them.
