The Great Temple slot is a June 2023 RealTime Gaming release with a progressive jackpot, free spins and expanding symbols on a 5x3 grid. Its RTP, volatility and max win aren't published in any source we could find. This review explains what that means for your budget and why some welcome bonuses can't be used on it at all.
RTG released Great Temple on June 14, 2023, with 25 betways on 5 reels and 3 rows.
No source publishes its RTP, volatility or max win, so check the game's help screen.
SlotCatalog lists a progressive jackpot alongside free spins and expanding symbols.
SlotoCash's and Silver Oak's terms exclude progressive jackpot slots from bonus play.
Partner casinos are offshore and not licensed by any US state.
Developer
RealTime Gaming (RTG), also sold as SpinLogic Gaming
RTP
Not published
Volatility
Not published
Layout
5 reels x 3 rows
Paylines
25 betways (lines or ways not specified)
Released
June 14, 2023
Main feature
Progressive jackpot, free spins
Great Temple slot: a 2023 RTG jackpot game
Great Temple takes RTG's long-running jungle-ruins theme and pairs it with a progressive jackpot. The base game runs on five reels and three rows with 25 betways, and it sits with the other titles in our slot reviews hub.
Our only source for this game is SlotCatalog's RTG catalog (opens in a new tab), a third-party listing. It gives the layout, release date and feature list, but not the three numbers players usually want most.
SlotCatalog lists five features. Here's what they generally mean; exact triggers, spin counts and payouts are in the in-game paytable, and nothing below goes beyond the listing.
Progressive jackpot: a top prize that grows as players stake on the game, then resets after it's won. The listing doesn't say how it's triggered or whether it's shared across a network.
Free spins: a round of spins at no extra stake, typically started by scatters.
Expanding symbols: symbols that grow to cover more of a reel, which can complete several lines at once.
Scatter: pays in any position and usually starts the bonus; see the scatter glossary entry.
The Great Temple progressive jackpot explained
In a progressive slot, part of the game's return is set aside for the growing jackpot instead of being paid through regular wins. That makes everyday play feel leaner than in a comparable game without one. A jackpot doesn't become due because it's large or hasn't paid in a while; each spin is independent.
RTG runs several jackpot formats, including pooled progressives and its Real Series random jackpots, and SlotCatalog doesn't say which one Great Temple uses. Our RTG progressive jackpot system page and progressive jackpots explainer cover the differences. Check the game's info screen for the current jackpot amount and how it's won.
Some progressive slots require a particular bet level to be eligible for the jackpot. Our sources don't say whether Great Temple does, so read the jackpot rules before you spin.
Great Temple RTP: not published, and why that matters
No RTP figure for Great Temple appears in any source we could check. That rules out the usual cost estimate, because expected loss equals total stake multiplied by the house edge, and the edge comes from the RTP. Rather than guess, the table below shows how much you'd stake and how much each percentage point of house edge would cost you.
Great Temple on $50: stakes and cost per point of house edge
Spin size
Spins $50 covers with no returns
Total staked in 200 spins
Cost per 1% of house edge
$0.25
200
$50
$0.50
$1
50
$200
$2
$5
10
$1,000
$10
Once you find the RTP in the help screen, subtract it from 100 to get the edge, then multiply. A game showing a 4% edge, for example, would cost $8 over 200 spins at $1. Our slot RTP guide explains where to look.
Load Great Temple and open the info or help menu.
Find the stated RTP and the jackpot rules, including any bet-size requirement.
Calculate the edge (100% minus RTP) and multiply by your planned total stake.
If no RTP is shown, treat the cost as unknown and keep stakes small.
Great Temple volatility and max win
Neither the volatility rating nor the max win is published. Progressive games tend to hold a share of their return back for the jackpot, which can make the base game swingier, but without a rating there's no way to say how this one behaves. Treat it as potentially high variance and size stakes accordingly; the volatility guide shows how.
A jackpot win can be large enough to raise tax and withdrawal questions. Offshore casinos often apply payout caps, and winnings are taxable federal income; read what to do after a big win.
Can you use a bonus on the Great Temple slot?
This is where a progressive slot differs most. Several partners exclude progressive jackpot games from bonus play, and using bonus funds on an excluded game can void your winnings.
Progressive slots and partner bonus terms
Casino
What the terms say about progressives
Source type
SlotoCash
Welcome bonus eligible games exclude progressive jackpot slots; play on other games voids promotion winnings
Casino's own terms
Silver Oak
Progressives on the excluded games list
Casino's own terms
Slot Madness
PROGRESSIVE100 code reported: 100% for progressive games, 10x max cashout, $30 to $1,000 deposits
Third-party (esports.gg, 2025)
Royal Ace
No progressive rule found in our sources
Check the terms
If you want Great Temple specifically, the cleanest route at SlotoCash or Silver Oak is to play it with cash only, outside any active bonus. Codes such as PROGRESSIVE100 change, so confirm in the cashier. Our game weighting guide and what games count toward wagering answer explain how exclusions work.
Great Temple vs other RTG ancient-ruins jackpot slots
Aztec's Millions is the best documented of the group, though its reported 94% RTP is on the low side. For a wider look at jackpot games, see our best progressive jackpot casinos.
Is the Great Temple slot legal to play in the USA?
That's decided by your state's law, not by the game. New Jersey, Pennsylvania, Michigan, West Virginia, Delaware, Connecticut and Rhode Island license real-money online casinos; no state licenses the offshore casinos that carry RTG games. The offshore casinos legality guide covers the federal and state rules.
For a jackpot game, the offshore point carries extra weight: there's no state regulator to hear a dispute over a large payout, and the casino's own terms decide caps and verification. Our player protections comparison sets the two models side by side.
Where to play Great Temple with an offer via our links
Royal Ace and Slot Madness are reported to run RTG games, and our sources show no progressive exclusion for them, so they lead here. SlotoCash comes last because its welcome bonus can't be used on progressive jackpot slots like Great Temple. None of the three names Great Temple on its own site. The title does appear in a combined lobby list compiled from third-party reviews of Planet 7, Royal Ace and Slot Madness, partly drawn from an unofficial mirror site, so it isn't confirmed at any single casino; check the lobby. All are offshore and not licensed by any US state; check your state's law first. We earn a commission through these links, and the order is commercial. New players only, 21+ (18+ where allowed), terms apply.
Royal Ace Casino: $2,500 Welcome Bonus + 35 Free Spins, via our link (new players, 21+ or 18+ where allowed, terms apply). LCB's listing (opens in a new tab) reports 30x (bonus + deposit) on slots, a max cashout of 10x the deposit and minimums of $30 by card or $5 by Bitcoin Lightning; check how progressives are treated.
Slot Madness Casino: $2,500 Welcome Bonus + 50 Free Spins, via our link (new players, 21+ or 18+ where allowed, terms apply). LCB reports 30x (bonus + deposit) on slots, a $30 minimum and no max cashout; esports.gg's review (opens in a new tab) reports a separate progressive-games code with a 10x max cashout.
SlotoCash Casino: $6,000 Welcome Bonus + 60 Free Spins, via our link (new players, 21+ or 18+ where allowed, terms apply). Its welcome bonus terms (opens in a new tab) set 25x (deposit + bonus), a $20 minimum and no max cashout, but exclude progressive jackpot slots, so this bonus can't be used on Great Temple.
Each casino's own site may show a different package from the one through our link; the terms at sign-up apply. Bonuses and spins are slot-focused and carry wagering. If gambling is causing problems, the National Problem Gambling Helpline is 1-800-MY-RESET (1-800-697-3738), with call, text and chat through NCPG's help and treatment page (opens in a new tab).
Ad21+ (18+ where allowed). Ranked by us in a commercial order; we earn commission from these links. Advertiser disclosure
SlotoCash is listed last because its welcome terms exclude progressive jackpot slots, so its bonus can't be played on Great Temple. None of these casinos names the game in our sources; all three are offshore and not licensed by any US state.
Royal Ace Casino#6 on our listSlots and specialty games
Published terms (reported): Third-party reviews disagree on the package (200% up to $4,000, or 250% up to $2,500 + 35 spins); the casino site could not be checked directly. Eligible games: Slots and specialty games (reported).
Who runs it: License not shown; third parties report Costa Rica or none. Regulator notes: Third parties report it does not accept Ohio players.
21+ (18+ where allowed). New players. Min deposit $30 (reported). Wagering 30x deposit + bonus on slots (reported). Max cashout: 10x deposit (reported). Withdrawal cap $2,500 / week (reported). Terms source: reported. Terms apply. Offer checked October 28, 2026.
Published terms (reported): Third-party reviews report a 275% match up to $2,750 with code MAD275; the casino site could not be checked directly. Eligible games: Slots and keno (reported).
Who runs it: License not shown; third parties report Anjouan, Costa Rica or none. Regulator notes: Named in a Michigan Gaming Control Board cease-and-desist release, August 14, 2025.
21+ (18+ where allowed). New players. Min deposit $30 (reported). Wagering 30x deposit + bonus (reported). Max cashout: None (reported). Withdrawal cap $2,500 / week (reported). Terms source: reported. Terms apply. Offer checked October 28, 2026.
SlotoCash Casino#1 on our listBiggest bonus on our list
Published terms (casino terms): SlotoCash advertises up to $7,777 + 300 spins over five deposits on its own site. Eligible games: Slots, keno and scratch cards (progressive jackpots excluded).
Who runs it: License not shown on its site; reported as a Deckmedia N.V. brand (Curaçao). Regulator notes: Named in a Michigan Gaming Control Board cease-and-desist release, October 8, 2026.
21+ (18+ where allowed). New players. Min deposit $20 per bonus. Wagering 25x deposit + bonus. Max cashout: None stated. Withdrawal cap $5,000 / week. Terms source: casino terms. Terms apply. Offer checked October 28, 2026.
These casinos are offshore operators. They are not licensed or regulated by any US state, and state consumer protections do not apply. Check the law in your state before you play. Terms marked “reported” come from third-party reviews; the terms shown at sign-up apply.
21+ (18+ where allowed). Every casino game has a built-in house edge, so over time you should expect to lose what you stake. Set a budget before you play and stop when it’s gone: responsible gambling tools and free help. Gambling problem? Call or text 1-800-MY-RESET (1-800-697-3738).
Frequently asked questions
What is the RTP of Great Temple?
The RTP of Great Temple isn't published in any source we could find, including SlotCatalog's listing. Check the game's info or help screen at your casino in case it shows the setting in use. Without it, the cost of play can't be estimated. Our what is RTP answer explains how to turn an RTP into a dollar cost once you have it.
Does Great Temple have a progressive jackpot?
Yes, SlotCatalog lists a progressive jackpot for Great Temple. It doesn't say how the jackpot is triggered, whether a minimum bet applies or whether it's shared across RTG casinos, so read the jackpot rules in the game. Jackpots don't become due as they grow. The progressive jackpot glossary entry explains the basics.
Can I use my SlotoCash bonus on Great Temple?
No, not according to SlotoCash's published welcome terms. They limit bonus play to slots, Real-Series video slots (excluding progressive jackpot slots), keno and scratch cards, and say play on other games voids promotion winnings. Great Temple has a progressive jackpot, so play it with cash outside an active bonus. Our SlotoCash jackpots page has more on its jackpot games.
What is the max win on Great Temple?
No max win is published for Great Temple. As a progressive game, its top prize depends on the jackpot's current value, which you can see in the game, plus whatever the paytable allows. Bonus max cashouts and casino withdrawal caps can limit what you take out. Our jackpot odds guide explains why jackpots are long shots.
Is Great Temple high volatility?
Its volatility isn't published, so nobody can say for sure. Progressive slots often hold part of their return for the jackpot, which can make ordinary play leaner, but that's a general tendency rather than a fact about this game. Pick a stake that gives 200 spins from your budget. The what is volatility answer covers why that matters.
How often does the Great Temple jackpot pay?
No figure is published, and jackpot timing is random. A jackpot that hasn't paid in a while isn't more likely to pay next, and one that just paid isn't less likely. Any site claiming to predict when a jackpot will drop is wrong. Read our how often do jackpots hit answer and the gambler's fallacy guide for the reasoning.
Where can I play Great Temple for real money?
No casino names Great Temple on its own site, though it appears in a combined lobby list for Planet 7, Royal Ace and Slot Madness compiled from third-party reviews and an unofficial mirror site. Check the lobby before you deposit. Royal Ace and Slot Madness are reported to run RTG games, and our sources show no progressive exclusion for them, while SlotoCash excludes progressives from its welcome bonus. All are offshore. Compare RTG partners in our best RTG casinos list.
Do I pay tax on a Great Temple jackpot win?
Yes, gambling winnings, including jackpots, are taxable federal income in the US. Offshore casinos may not issue a W-2G, and the winnings are reportable either way, so keep your own records of wins and losses. From tax year 2026, a reported change caps the loss deduction at 90% of losses; check IRS guidance. Our big win taxes guide walks through the steps.
Is Great Temple legal to play in Tennessee?
No, Tennessee authorizes only online sports wagering, the lottery and fantasy sports, so there's no licensed way to play Great Temple for real money in Nashville, Memphis or Knoxville. The Tennessee Sports Wagering Council says only its licensed operators are legal, and SB 2136, signed May 22, 2026, classes dual-currency sweepstakes casino games as gambling too. RTG casinos are offshore and unlicensed in Tennessee. See our Tennessee slots page and the Tennessee gambling overview.
Can I play Great Temple on my phone?
Probably, because RTG casinos such as Slot Madness run in a mobile browser instead of an app. Third-party reviews say Slot Madness plays in Chrome and Safari on Android and iPhone with no download. Great Temple appears in a combined lobby list compiled from third-party reviews, but it isn't confirmed at any one casino, so search the mobile lobby first. The jackpot meter and features work the same on any screen. Our Slot Madness mobile guide and mobile casino guide explain more.
What is the PROGRESSIVE100 code for Great Temple?
PROGRESSIVE100 is a Slot Madness code that a 2025 esports.gg review reported as a 100% match for progressive jackpot games, which would include Great Temple, with deposits from $30 to $1,000. The same review lists a 10x max cash-out without saying what it's a multiple of, so a jackpot won on bonus money could be capped far below its value. The code is unverified and codes change, so check the cashier. Our Slot Madness bonus codes page and max cashout rules explain more.
Is Great Temple worth playing without a published RTP?
Only if you accept an unknown cost. Without an RTP, you can't work out what Great Temple costs per $100 staked, and part of its return is held back for the jackpot. Among RTG ruins-themed jackpot games, Aztec's Millions at least lists a figure, a 94% RTP, which works out to $6 per $100. If cost matters most, pick a slot with a published return and check its help screen. Our best high RTP casinos list covers RTP-focused options.
Who makes Great Temple, and when did it come out?
Great Temple is a RealTime Gaming slot released on June 14, 2023, according to SlotCatalog's third-party listing. RTG also distributes its games under the SpinLogic Gaming name, which it adopted in 2022 for US and many international operations, so either logo may appear in the lobby. As a 2023 release, it's one of RTG's newer progressive titles. Our SpinLogic Gaming page explains the branding and which partners run the software.
What do expanding symbols do in Great Temple?
Expanding symbols grow to cover more of a reel, often the whole reel, which can complete several of Great Temple's 25 betways at once. The listing names expanding symbols alongside free spins, but it doesn't say which symbol expands or whether it happens only during the free spins round, so check the paytable. The feature changes how wins form, not the house edge built into the game. Our how to play slots guide explains common slot features.
What happens if I win the Great Temple jackpot at Slot Madness?
You'd likely collect it over months. Third-party reviews report Slot Madness withdrawal caps of $2,500 a week and $5,000 a month, so a $20,000 jackpot would take at least four months to withdraw in full. If you won it with a bonus such as the reported PROGRESSIVE100 code, its 10x max cash-out could cut the payout sharply. Verify your ID early and keep records. Our Slot Madness withdrawals page and what to do after a big win guide cover the steps.
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