Introduction
Irish folklore. Modern math. Short, turbo-charged bursts of action. That’s the cocktail in 3 Lucky Rainbows — Action Boost SpinUP from SpinPlay Games, distributed via Games Global’s network after its 2022 takeover of Microgaming’s distribution arm. Why now? Because SpinUP isn’t just “more free spins”; it stacks multiple modifiers in tight windows, turning routine sessions into brief surges of reel expansion, multipliers, nudging wilds, and fixed jackpots. Intrigued? You should be.
In August 2025, specialist portals started listing SpinUP with hard numbers (RTP, hit rate, max win) and a scheduled global launch on 9 October 2025. That date matters if you plan content, promotions, or testing. Early previews point to a lean, pacey evolution of the 2023 Action Boost installment.
Key features & what’s genuinely new
- SpinUP “surge” windows. Trigger short rounds where several pot features can run together; during these bursts the grid expands to 5×6 and lines double to 40. Result: more coverage exactly when modifiers land.
- Three coin colors, three styles. Green (expansion + nudging wilds), Red (clover collection for fixed jackpots), Purple (global multipliers with extra spins). Hybrids? Yes — overlaps happen, and that’s the fun.
- Series continuity. This isn’t the first rainbow: the base title appeared in September 2022, Action Boost launched 21 November 2023, and Action Boost Max followed in December 2024 — each iteration refining the loop. SpinUP in 2025 feels like the “definitive cut.”
Specs
| Item | Value |
| Studio / distribution | SpinPlay Games / Games Global |
| Layout & lines | 5×4, 20 lines → expands to 5×6, 40 lines in features |
| Default RTP | 96.49% |
| Volatility | High |
| Hit frequency | 33.57% |
| Max win | 5,000× stake (fixed, non-progressive) |
| Bet range | Often 0.10–50 (AboutSlots) or 0.20–50 (SlotCatalog) — depends on site/market |
| Release date | 9 Oct 2025 (portal listings) |
Figures above are taken from independent preview pages; operators can deploy alternative RTP/bet profiles, so confirm the game info panel at your chosen casino before playing.
How it actually plays (short, sharp, and swingy)
- Base spins tick along on 20 lines. Coins feed Action Boost meters.
- Hit a SpinUP window… and boom — 5×6 grid, 40 lines, with whichever pot features you’ve primed. Nudging wild reels? Multipliers? Jackpot collection? Sometimes all three. Exciting — yet volatile.
Context that’s easy to miss: the 2023 Action Boost version used the same fixed jackpots but ran features more linearly and posted ~96.27% RTP on several hubs. SpinUP keeps the 5,000× cap yet feels noticeably punchier due to overlapping modifiers.
Review with examples & comparisons
- Pacing upgrade. AboutSlots (19 Aug 2025) lists 96.49% RTP and 33.57% hit rate, aligning with our experience of fewer “dead stretches” once coins start stacking. SlotCatalog (21 Aug 2025) corroborates x5000 max, 20→40 lines, and the 9 Oct 2025 date. Not just a re-skin — cadence is the difference.
- Series growth. Compared with Action Boost Max (12 Dec 2024), SpinUP trades micro-steps for cleaner, 10-spin bursts; both list 96.49% RTP and 5,000× tops, but the “combo moments” land more often in SpinUP.
- Ceiling vs. peers. A 5,000× cap is respectable in 2025, though some high-risk titles advertise 10,000×+. If you value momentum over sheer ceiling, SpinUP’s hybrid rounds feel more rewarding than chasing a single, scarce super-bonus. (Opinion; compare specs before you pick a session.)
Our rating (preview build): 8.3/10. Strong mechanics, crisp UI, transparent stats; capped top win keeps it balanced.
Pros & Сons
Pros
- Stacking features during SpinUP windows — expansion + multipliers + nudging wilds + jackpots can collide.
- Clear math sheet (RTP 96.49%, hit rate 33.57%, max x5000). Easy to plan bankroll.
- Iterated design (2022→2023→2024→2025) shows steady polish, not a one-off gimmick.
Cons
- High volatility means dry spells — then sudden spikes. Not for short fuses.
- Fixed-jackpot path (Red mode) won’t appeal if you dislike collection games.
- Config variance: some markets/casinos may offer different RTP/bet floors (0.10 vs 0.20). Verify locally.
Version timeline
| Version | RTP | Grid change | Notes |
| 3 Lucky Rainbows | 96.47% | 5×4 base | Original template for the trilogy |
| Action Boost | ~96.27% | 5×4 → 5×6 (feature) | Added coin pots + four fixed jackpots (to x5000) |
| Action Boost Max | 96.49% | 5×4 → 5×6 | Tweaked entry/upgrade logic; same top win |
| Action Boost SpinUP | 96.49%, 33.57% hit | 5×4 → 5×6 / 40 lines | Hybrid surges; the punchiest pacing so far |
Banking, RTP, and security (E-E-A-T essentials)
Play only at licensed casinos with clear KYC and fast cash withdrawals. Check operators on official registers:
- UK Gambling Commission (UKGC) — Public Register.
- Malta Gaming Authority (MGA) — Licensee Register.
- Curaçao Gaming Control Board — Online Gaming License Register.
Industry context: Games Global formally launched as Microgaming’s distribution successor in May 2022, consolidating studio output (including SpinPlay) under one umbrella — useful when cross-checking a game’s provenance.
Bankroll & practical tips (non-promotional)
- Expect cycle play: longer base periods, then 10-spin surges. Stake so you can reach several bursts; don’t chase a single perfect combo.
- Prefer the highest RTP version available in your market; if the lobby shows alternatives, pick the better figure. (Some 2023 listings show 96.27% vs. 96.49% in later builds.)
- No deposit bonus fans: read T&Cs (wagering multipliers, game weighting, max cashout). Dull? Yes. Necessary? Absolutely.
Answer About 3 Lucky Rainbows Action Boost Spin Up FAQ
Is SpinUP live yet?
Portal listings set the global release for 9 October 2025. Availability still depends on your casino and jurisdiction.
What’s the default RTP and volatility?
Default 96.49% RTP with high volatility and a 33.57% hit frequency (preview stats). Always check the in-game info where you play.
How do the jackpots work?
Through the Red coin mode you collect clovers toward fixed jackpots (tiers up to 5,000×). This mirrors the 2023 Action Boost model.
What’s the bet range?
Previews list 0.10–50 (AboutSlots) and 0.20–50 (SlotCatalog). Operators can set local minima.
SpinUP vs. Action Boost Max: what’s the difference?
Max added upgrade paths, but SpinUP emphasizes hybrid, overlapping features inside short bursts, making sessions feel faster and more synergistic.
Conclusion (responsible play first, always)
Is Action Boost SpinUP just another Irish reskin? No. It tightens the loop and lets modifiers collide — exactly where the excitement lives! But remember: volatility cuts both ways. Set limits, pace yourself, and play for entertainment — never for income.
18+ only. If the fun stops — stop.
About the Author
