Here2Win Casino · Endorphina · Australia
Boomerang Pokies entry for Rainbow Ray
Australian punters can open the session page for Rainbow Ray pokie apart from this catalogue.
Boomerang Pokies files Rainbow Ray as a Endorphina pokie for Australia and sends the session to Here2Win Casino. The card has no published RTP, so this preview does not invent one.
What this pokie is
Boomerang Pokies sends you out and back: read Rainbow Ray here, play it at Here2Win Casino, return to the same URL if you want the figures again. The name is the catalogue, not a mechanic.
Rainbow Ray is filed under video on the Australian list Boomerang Pokies keeps for Here2Win Casino. It is an online pokie, not a machine on a club floor. PayID, POLi and the usual cards are the payment names Australian punters already know.
The preview under the title is the short form of this card. The description tag repeats that sentence. A missing RTP stays missing there too.
The studio behind it
Endorphina is the studio printed on Rainbow Ray. Boomerang Pokies lists 178 of their pokies for Australia, and this is one of them. The rest sit on the provider page.
Studio certification & mechanics
Endorphina (Endorphina Ltd) is an iGaming studio founded in 2012 and headquartered in Prague, Czech Republic & Malta. Its random number generators (RNG) and math models are audited by GLI, iTech Labs and certified across MGA, ONJN, HGC, Spelinspektionen. Studio RTP policy: Fixed theoretical RTP (96.00%–96.10% across almost the entire portfolio).
In the Boomerang Pokies catalogue, Endorphina accounts for 178 pokies, playable at Here2Win Casino. Across the 14 titles with a published return, the studio averages 96.20% RTP (spanning 96.00% to 98.07%, with 1 pokies at 96.5% or above). Signature studio mechanics include Lucky Streak Series, Book Expanding Symbols, Classic Risk Card Game (RTP 84%–167% by dealer card).
Technical layout for Rainbow Ray: 5×3 / 5×4 HTML5 video grid paired with Standard studio payline / ways structure, running natively in HTML5 across desktop, iOS, and Android browsers at Here2Win Casino.
At Here2Win Casino
Here2Win Casino is the casino on this card. Beside Rainbow Ray the provider page lists 178 other Endorphina pokies, all played at Here2Win Casino.
7 Bonus Up! and Asgardians are the other Endorphina titles named from this list.
Published figures & technical specs
- Studio
- Endorphina (178 in this catalogue)
- Studio average RTP
- 96.20% (across 14 titles)
- Reel grid
- 5×3 / 5×4 HTML5 video grid
- Pay structure
- Standard studio payline / ways structure
- RNG testing labs
- GLI, iTech Labs
- Studio licences
- MGA, ONJN, HGC, Spelinspektionen
- Platform
- HTML5 (Desktop, iOS & Android)
- Play at
- Here2Win Casino
- Stake
- A$
- Card updated
- 2026-10-29
Session math & RTP benchmark
Rainbow Ray does not carry an individual published RTP on its source sheet, so no single-title percentage is guessed. Across the 14 Endorphina titles that do publish a return in this catalogue, the studio average is 96.20% (ranging from 96.00% to 98.07%). For a balanced session at Here2Win Casino, a bankroll buffer of 200x–250x the A$ unit stake suits this pokie's profile.
| Session volume | Total turnover | Theoretical return | House margin | Est. winning spins |
|---|---|---|---|---|
| 100 spins (A$1/spin) | A$100 | A$96.20 | A$3.80 | ~27–33 |
| 250 spins (A$1/spin) | A$250 | A$240.50 | A$9.50 | ~68–83 |
| 500 spins (A$1/spin) | A$500 | A$481.00 | A$19.00 | ~135–165 |
Pros and cons
Pros
- Endorphina is on the card, not buried in a lobby.
- The play button stays on boomerangpokies.com and then opens Here2Win Casino.
- The rest of Endorphina is one provider page away.
Cons
- Boomerang Pokies does not pay a win and does not take a deposit.
- A match amount is not a fact of the Rainbow Ray card.
- The return gap is left empty on purpose.
- The page will not borrow a pace label from another Endorphina pokie.
How this pokie compares
| Title | Studio | Published RTP | RTP delta | Volatility | Grid |
|---|---|---|---|---|---|
| Rainbow Ray (this card) | Endorphina | — | — | — | 5×3 / 5×4 HTML5 video grid |
| Fortune Capybara · Highest RTP in Endorphina | Endorphina | 98.07% | — | — | 5×3 / 5×4 HTML5 video grid |
| Power Balls · Higher-volatility studio alternative | Endorphina | 96.12% | — | high | 5×3 / 5×4 HTML5 video grid |
Explore head-to-head comparisons → · Session bankroll calculator →
More from Endorphina
Who it suits
This card does not carry a volatility mark, so Boomerang Pokies does not guess who Rainbow Ray suits. The studio is Endorphina. The session still opens at Here2Win Casino.
How a session behaves
The return trip is just another session. Keep the A$ stake where you left the rule.
The reels do not remember Brisbane. Set the loss limit before the first spin. A published RTP, when the card has one, is a long sample, not one arvo.
Questions
Where do I open Rainbow Ray if I am in Australia?
Yes. Boomerang Pokies links Rainbow Ray to Here2Win Casino for Australian players. The button on this page stays on boomerangpokies.com and then opens the pokie at Here2Win Casino.
What provider is behind Rainbow Ray?
Endorphina is the studio named on the Rainbow Ray card. Boomerang Pokies groups the rest of that studio on the provider page.
Where does the A$ stake actually go?
You are reading a catalogue page. Deposits, PayID and the spin itself belong to the Here2Win Casino account, not to boomerangpokies.com.
Can I open Rainbow Ray on a phone?
Yes. The play button on boomerangpokies.com is the same on a phone as on a desktop. The session then runs at Here2Win Casino, and the stake is still in A$.
What currency is the stake on Rainbow Ray?
You choose the A$ stake after Here2Win Casino loads Rainbow Ray. This catalogue page never takes the money.
Is there a demo of Rainbow Ray on this page?
No. Boomerang Pokies does not embed a demo of Rainbow Ray. The button opens the pokie at Here2Win Casino. Any practice mode, if one exists, is inside that account, not on boomerangpokies.com.
Does Boomerang Pokies score Rainbow Ray?
No score is printed on purpose. A star would be a house opinion. The page sticks to the studio, the published RTP when the card has one, and the volatility label.
Can Rainbow Ray be due for a win?
No. Rainbow Ray does not store the night you had in Brisbane, and it is not due. A published RTP describes a very long run of spins, not the next one.
How old do I have to be to play Rainbow Ray?
18+. Boomerang Pokies is a catalogue, and Here2Win Casino is where the session runs. Do not open the pokie if you are under 18.
What does the play button actually do?
Boomerang Pokies records the page you were on and sends you to Here2Win Casino with Australia already on the trail.
Where are the other Endorphina games?
Boomerang Pokies lists 178 pokies from Endorphina for Australia. Rainbow Ray is one of them. The provider page holds the rest.
Does it matter that I am in Brisbane?
Sydney or Perth sees the same card. The only local pieces are the language, the A$ stake and the payment names such as PayID.
Does this page list a welcome offer?
No figure is invented here. If Here2Win Casino shows a welcome offer, it shows it inside the account, with its own terms. Read them there before you opt in.
Is this the same machine I would find in a club?
The page describes the online title from Endorphina. It does not claim a venue in Brisbane.
How do I stop a session on Rainbow Ray?
Set an A$ limit and a clock before the first spin, then close the game when either one is reached. Rainbow Ray will not close itself.
Can you estimate the RTP of Rainbow Ray?
No estimate is offered. An invented RTP would make the catalogue worse. The studio is still Endorphina, and play is still at Here2Win Casino.
Why does Rainbow Ray have a pros and cons list?
The block is a reading aid for Rainbow Ray, not a rating. Pros are facts on the card or about the catalogue. Cons are the gaps and the limits, including that this page is not the cashier.
Which part of the Rainbow Ray page is the preview?
Start with the short answer under the title, then the fact list. Both should agree: studio Endorphina, and RTP only when the card has one. The pros and cons repeat that split in plain lines.
How do I open the right Rainbow Ray?
This page is only Rainbow Ray. The play button follows that name, not a shorter guess.
How many reels and paylines does Rainbow Ray have?
The card does not publish a maximum win, a reel count, or a payline count. Boomerang Pokies does not guess them.
Why does Rainbow Ray have no feature list?
Nothing was tagged on Rainbow Ray. A bonus round, a buy price, and a jackpot figure stay unwritten.
Stake and the cashier
Leaving for Here2Win Casino is the payment step. Boomerang Pokies does not hold a POLi or PayID balance in between.
The A$ stake is chosen inside Rainbow Ray at Here2Win Casino. A catalogue can name PayID and still not run PayID.
How you open it
- Open Rainbow Ray from the play button. The click stays on boomerangpokies.com, then Here2Win Casino loads the pokie.
- Set the stake in A$ before the reels move. A smaller stake just makes a pokie last longer.
- Stop on a clock you set in Brisbane, not when the pokie 'looks due'.
Playing this pokie
Open the full name Rainbow Ray in the Here2Win Casino lobby. A shorter search can load a different Endorphina title.
The card does not publish a maximum win, a reel count, a payline count, a count of free spins, or a bonus-buy price. Boomerang Pokies leaves those fields empty.
Australian punters play this pokie in the browser at Here2Win Casino, stake in A$. boomerangpokies.com does not host the reels.
This card has no feature label, so no bonus round is described for Rainbow Ray.