Play 6 Rubies of Tribute Online

6 Rubies of Tribute: An Aztec Hold & Win Slot

6 Rubies of Tribute is a 5x3, 25-payline slot from Old Skool Studios, released in 2022 with an Aztec-temple theme built around glowing rubies. Behind the classic grid sits a Link & Win respin engine and a colossal-symbol free spins round, which gives the game more bite than its tidy layout suggests. With a 96.2% RTP and medium volatility, it aims for steady sessions punctuated by the occasional big respin.

You can spin it in demo mode at the top of this page with no download or sign-up, then compare it against our wider free slots collection.

Reels, Symbols and the Ruby Theme

The 5x3 grid pays across 25 fixed lines. Standard temple-themed symbols and royals fill out the low and mid pays, while the wild is the headline base-game symbol, paying 20x your stake for five of a kind and substituting for everything except the scatter. Rubies are the special symbols that drive both bonus features, so landing them is always worth watching, even outside a feature trigger.

Link & Win Respins

The main feature is a Hold & Win style respin round, triggered when six or more ruby symbols land anywhere on the reels. Those rubies lock in place and you are awarded three respins. Each respin can drop a blank or another ruby into the open positions, and every new ruby that lands resets the counter back to three. The round keeps going until you run out of respins or fill the grid. A completely filled grid awards a 1,000x full-grid prize, and the respin feature can return up to 1,300x on its own.

Colossal Symbol Free Spins

The second feature is a free spins round, triggered by three scatters landing on reels 1, 3 and 5. You start with five free spins, and landing three more scatters during the round adds three extra spins. The twist is that the three middle reels merge into a single 3x3 mega symbol for the duration, behaving as nine stacked positions on every spin. When a high-value symbol or wild fills that block, the colossal coverage can line up across all 25 paylines at once.

RTP and Volatility

The default return to player is 96.2%, slightly above the common industry baseline, though Old Skool Studios offers the title in adjustable RTP configurations, so the figure at a given casino can vary. Volatility is medium, with a hit frequency around 28%. In practice that means a balanced rhythm: regular small and mid-sized line wins to keep a session ticking over, with the larger payouts saved for the respin round and the colossal free spins.

Max Win and Betting Range

The top win is 2,400x your total stake, reached by combining filled respins with the merged-reel free spins rather than from a single base-game line. Bets run from 0.10 to 100 per spin, a wide enough range to suit both cautious demo testing and higher-stakes play. Because the big prizes are tied to the features, the math rewards staying in long enough to reach them rather than chasing on the base game alone.

Mobile Play and Free Demo

6 Rubies of Tribute is built in HTML5, so it runs in the browser on phones, tablets and desktop without a separate app. The 5x3 grid and feature controls scale cleanly to touchscreens, and every feature, including the respins and the colossal free spins, behaves the same on mobile as on desktop. The free demo plays with virtual credits on the identical math and feature set as the real-money version, so it is the simplest way to see how often the rubies trigger before committing anything.

Similar Slots and More from Old Skool Studios

If the ruby respins appeal, try a few related titles: Wild Spells by Pragmatic Play, 15 Dragon Coins by Zeusplay, and 243 Zeus Fruits by Tom Horn Gaming. You can also browse the full range of Old Skool Studios slots to find more from the same developer.