The Interstellar 7s slot is a June 2024 RealTime Gaming game that puts classic sevens in a space setting on a 3x3 grid with 5 betways. It has multiplier wilds, scatters and a bonus wheel, but no RTP, volatility rating or max win is published for it, so check the game’s help screen before you play.
Interstellar 7s is a compact 3x3 RTG slot with 5 betways and a space-meets-classic-sevens theme.
Listed features: multiplier wilds, wilds, scatters and a bonus wheel.
RTP, volatility and max win aren’t published in third-party listings.
Without an RTP you can’t price a session exactly, so budget as if the swings are large.
Casinos that carry RTG games in the US are offshore and not licensed by any state.
Developer
RealTime Gaming (also branded SpinLogic Gaming)
RTP
Not published
Volatility
Not published
Layout
3 reels x 3 rows
Paylines
5 betways (lines or ways not specified)
Max win
Not published
Released
June 20, 2024
Interstellar 7s slot overview
Interstellar 7s takes the look of a classic three-reel fruit machine (sevens, a small grid, few lines) and adds a space backdrop and modern extras. It sits in a group of 3x3 RTG games with simple layouts and one or two features, aimed at players who prefer a clean screen.
The listing says “5 betways” without saying whether they are fixed lines or something else. On a 3x3 grid, five lines usually means the three horizontal rows plus two diagonals, which is the classic layout. Treat that as the common pattern, not a confirmed fact for this game, and check the paytable.
With so few lines, each win depends heavily on what lands in the middle of the grid, and wilds matter more than in a 4,096-ways game like Lovable Pets. Our paylines glossary entry explains how lines are counted.
Interstellar 7s multiplier wilds and bonus wheel
The two headline features are multiplier wilds and a bonus wheel:
Multiplier wilds: wild symbols that substitute for other symbols and also multiply the win they help create. The multiplier values aren’t published in the sources available to us.
Bonus wheel: a prize wheel triggered in the game. What starts it and what it can award are set out in the in-game rules.
Scatter: a symbol that pays or triggers regardless of line position; check the paytable for its role here.
None of these features changes the long-run return; the RTP already includes them. They change how the return is spread out between small and larger wins. Read our multiplier glossary entry and bonus round entry for the general mechanics.
We haven’t found published details on Interstellar 7s trigger rules, wheel prizes or multiplier sizes. Be wary of any site quoting exact figures without citing the game’s paytable.
Interstellar 7s RTP: why the missing figure matters
No RTP is published for Interstellar 7s, and no volatility rating either. That matters because expected loss is total stake multiplied by the house edge, and the house edge is 100% minus the RTP. Without the figure, you can’t put a reliable dollar cost on a session.
Other RTG slots in the same catalog list RTPs anywhere from 93% to 98.5%, so the range is wide. The table below shows what that range would mean on $500 of total spins. It’s an illustration, not a figure for this game.
Illustration: cost of $500 staked across the RTG catalog’s RTP range
Assumed RTP
House edge
Average cost on $500 staked
93%
7%
$35
95%
5%
$25
96.25%
3.75%
$18.75
98.5%
1.5%
$7.50
Look for the RTP in the game’s help screen at your casino. Our explainer on what RTP means covers how to read it.
Playing Interstellar 7s on a $50 budget
With RTP and volatility both unknown, the cautious approach is a small stake and a firm stop. Here’s how $50 splits at three bet sizes.
$50 budget on Interstellar 7s
Spin size
Spins from $50
Cost per spin as a share of budget
$0.25
200
0.5%
$1
50
2%
$5
10
10%
At $5 a spin, each spin is a tenth of your budget, so the session rests on a handful of results. At $0.25 you get 200 spins and a better chance of seeing the bonus wheel before the money runs out. Whatever the stake, the house edge applies to every dollar. Our bankroll management guide has a simple session plan.
Decide your total budget and a stop point before you open the game.
Check the help screen for the RTP and the multiplier wild rules.
Pick a stake that gives you at least 100 spins, such as $0.25 or $0.50 on $50.
Use a deposit limit or session reminder if your casino offers one.
Stop at your limit, and withdraw winnings you want to keep.
Does Interstellar 7s have a jackpot?
No progressive jackpot is listed for Interstellar 7s, and the max win isn’t published. If you want a sevens game with a jackpot, RTG’s Jackpot Sevens is the closest match by name; check its review for what’s confirmed. Our progressive jackpots guide explains why jackpot odds are long.
Slots like Interstellar 7s
If you like classic sevens or a small 3x3 grid, these RTG titles are the nearest matches:
Mystic 7s: another 2024 3x3 sevens game, listed as medium-high volatility.
Nova 7s: space-themed sevens on 5x3, listed at 95% RTP and high volatility.
Is Interstellar 7s right for you? A quick decision guide
With so little published about this game, the choice comes down to what you value. Use the table to decide in a minute, then confirm the details in the help screen.
Interstellar 7s: who it suits and who should look elsewhere
Whichever you pick, the order of play is the same: check your state's law, set a budget, read the paytable, then spin. Our first deposit checklist covers what to confirm before money changes hands.
Interstellar 7s real money play and US law
Only seven states license real-money online casinos: New Jersey, Pennsylvania, Michigan, West Virginia, Delaware, Connecticut and Rhode Island. The RTG casinos we list are offshore, not among those licensed operators, and not licensed or regulated by any US state.
That means no state regulator to complain to and no state-backed protection of balances. Federal law such as the Wire Act and UIGEA doesn’t settle the question for players; your state’s law does. Read is online gambling legal in the US? for the overview.
These partners are reported to run RealTime Gaming software, and third-party lobby listings for them name other 3x3 sevens games such as Mystic 7s and Wild Fire 7s; we couldn’t confirm Interstellar 7s itself, so check the lobby. All three are offshore and not licensed by any US state; check your state’s law. Offers are for new players, 21+ (18+ where allowed), and 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 Royal Ace listing (opens in a new tab) reports a 200% offer with 30x (bonus plus deposit) on slots, 60x on blackjack and video poker, and a max cashout of 10x the deposit; another review shows 250% up to $2,500 plus 35 spins. See our Royal Ace Casino review.
Slot Madness Casino: $2,500 Welcome Bonus + 50 Free Spins, via our link (new players, 21+ or 18+ where allowed, terms apply). Third-party reviews report a 275% code, $30 minimum, 30x (bonus plus deposit) on slots and no max cashout. See our Slot Madness Casino review.
SlotoCash Casino: $6,000 Welcome Bonus + 60 Free Spins, via our link (new players, 21+ or 18+ where allowed, terms apply). Its own terms set 25x (deposit plus bonus), a $20 minimum per bonus and a $10 max bet, with no max cashout; the site advertises a different five-deposit package, so the terms at sign-up apply. See our SlotoCash Casino review.
Welcome free spins usually land on named slots, and table games are often excluded or weighted lower. The Michigan Gaming Control Board named Slot Madness in an August 14, 2025 order (opens in a new tab) and SlotoCash in an October 8, 2026 release. Our partner ranking is commercial, and we earn commission when you join through these links.
Ad21+ (18+ where allowed). Ranked by us in a commercial order; we earn commission from these links. Advertiser disclosure
Third-party lobby listings for our RTG partners include several 3x3 sevens games; check for Interstellar 7s itself before depositing. 21+ (18+ where allowed), terms apply.
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.
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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 Interstellar 7s?
No RTP is published for Interstellar 7s in the third-party sources available to us. Without it you can’t work out the house edge or the average cost of a session. Check the game’s help or information screen at your casino for a stated return. Until then, budget only what you’re comfortable losing. Our guide to how slot RTP works explains the number.
How many paylines does Interstellar 7s have?
A third-party catalog lists Interstellar 7s with 5 betways on a 3x3 grid, without saying whether they are fixed lines. On a 3x3 grid, five lines often means three rows plus two diagonals, but check the paytable to confirm. Your stake covers all five on every spin. Our ways to win entry explains how lines and ways compare.
What are multiplier wilds in Interstellar 7s?
Multiplier wilds are wild symbols that both substitute for other symbols and multiply the win they help form. Interstellar 7s lists them as a feature, but the multiplier values aren’t published, so read the paytable. A multiplier only increases a win that already landed and is already counted in the game’s RTP. See our wild glossary entry for the basics.
How does the Interstellar 7s bonus wheel work?
The bonus wheel is a prize wheel feature listed for Interstellar 7s. Public sources don’t say what triggers it or what it can award, so check the game’s help screen. Wheel outcomes are set by the random number generator, so there’s no timing or skill involved. Read about how RNGs work to see why each result is independent.
What is the max win on Interstellar 7s?
No max win is published for Interstellar 7s, and no progressive jackpot is listed. The game’s paytable will show the top prize at your casino. If you use bonus money, a max cashout rule in the bonus terms may cap what you can withdraw regardless of the win, which our max cashout explainer describes.
Is Interstellar 7s like a classic slot?
Yes, Interstellar 7s has a classic look, with sevens on a small 3x3 grid and 5 betways, but it adds modern features such as multiplier wilds and a bonus wheel. That puts it between pure three-reel games and full video slots. If you prefer that format, see our how to play slots guide and the similar 3x3 titles listed above.
Can I play Interstellar 7s on mobile?
Mobile play depends on the casino’s site rather than the game, so check that Interstellar 7s appears in the casino’s mobile lobby. A 3x3 grid usually reads clearly on a small screen. For why you may not find a casino app to download, see our page on why there’s no casino app in the App Store.
Is Interstellar 7s fair?
Interstellar 7s is an RTG game, and third-party sources report that RTG games are tested by Technical Systems Testing. Results come from a random number generator, so past spins don’t affect the next one and no machine is ever “due”. The house edge still means losses are likely over time. See are RTG games fair? for more.
Is Interstellar 7s high volatility?
No volatility rating is published for Interstellar 7s, so it can't be called high or low with any confidence. The listed features, multiplier wilds and a bonus wheel, don't settle it either, because the sources give no multiplier sizes or wheel prizes. Plan cautiously: at $0.25 a spin, $50 covers 200 spins before any return, while $5 spins cover only 10. Our slot volatility guide explains how to read a paytable for clues.
Can I use the SlotoCash bonus on Interstellar 7s?
Probably, since no progressive jackpot is listed for Interstellar 7s and SlotoCash's welcome terms allow slots while excluding progressive jackpot games. Check the eligible list first. The terms set 25x deposit plus bonus and a $10 maximum bet per spin. In dollars, a $50 deposit with a $50 bonus means $2,500 of wagering, and every 1% of house edge costs $25 over that play. Without a published RTP, the full cost can't be stated. Our bonus value method shows how to finish the sum.
How long do Interstellar 7s withdrawals take?
Payout speed comes from the casino. SlotoCash's banking page lists Bitcoin and bank wire payouts in about two business days, with a $100 minimum and $2,500 maximum per request. Third-party reviews report pending periods of 7 to 10 days at Royal Ace and Slot Madness, no weekend cashouts, and caps of $2,500 a week and $5,000 a month. Verify your account before your first request to avoid extra waiting. Our SlotoCash withdrawals guide covers its methods and fees.
What is the minimum deposit to play Interstellar 7s?
It depends on the casino and method. SlotoCash's banking page lists $25 by card or Bitcoin, $10 by Litecoin and $5 by Bitcoin Lightning, and its welcome bonus needs $20 per deposit. Third-party reviews report $30 by card and $5 by Lightning at Royal Ace and Slot Madness. A $10 Litecoin deposit covers 40 spins at $0.25, enough to see how the multiplier wilds behave. Our Litecoin casinos list compares where it's accepted.
Do I pay tax on Interstellar 7s winnings?
Yes, Interstellar 7s winnings are taxable federal income, including wins at offshore casinos. For 2026 payments the W-2G reporting threshold for slot wins is $2,000. Offshore casinos may not issue a W-2G, so keep a record of each session's wins and losses. From tax year 2026 the loss deduction is reported to be capped at 90% of losses; check IRS guidance. Our can I deduct gambling losses answer explains itemizing.
Is Interstellar 7s better than Mystic 7s?
They're 2024 RTG sevens games on 3x3 grids, but they play differently. Interstellar 7s has 5 betways, multiplier wilds and a bonus wheel, with no published volatility. Mystic 7s, released a month later, has 27 ways that can expand to 45, free spins and respins, and is listed as medium-high volatility. Neither has a published RTP or max win. If you want more ways per spin, Mystic 7s fits; for a classic line layout, choose Interstellar 7s. Read our Mystic 7s review.
Is Interstellar 7s legal to play in Arizona?
No, the Arizona Department of Gaming says online casinos are illegal in the state, so no Arizona-regulated site offers Interstellar 7s. The department warns that unregulated sites are outside its authority, so victims have little chance of getting money back. Arizona does allow retail and mobile event wagering, and 16 tribes run 24 Class III casinos under compacts. Players in Phoenix, Tucson and Mesa can call 1-800-NEXT-STEP for help. See our Arizona online casinos page.
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