Play 3 Lucky Rainbows Action Boost SpinUP

There is no shortage of Irish slots, so a new one really ought to arrive with something more than shamrocks and a pot of gold. 3 Lucky Rainbows Action Boost SpinUP, from SpinPlay Games, at least tries to do that. It takes a familiar lucky-Ireland setup and bolts on a layered feature system built around coloured coins, rainbow spins, jackpot collection, and several different bonus spins routes. 

It still looks like an Irish slot, obviously. You are not getting a radical philosophical statement here. But on a 5 reel, 20 payline setup, with a top win of 5,000x the bet and a surprisingly busy collection of modifiers, this one gives itself more to do than the average shamrock-themed release. 

3 Lucky Rainbows Action Boost SpinUP goes all in on colour. The reels sit beside bright rainbow trails, pots of gold, and enough glowing coins to make subtlety seem like a distant memory. It is cheerful, loud, and completely comfortable with the fact that it is working in one of the most overused themes in online slots which is fair enough. At least it commits. 

The symbols keep things light, mixing clovers, shoes, beer mugs, harps, and violins with bright card royals. The overall presentation feels more arcade-like than magical, which works in its favour. It is not trying to build some misty Celtic legend around the reels. It is here to flash colours, throw features around, and keep the screen moving. We have seen more elegant Irish slots, but elegance is not really the point. 

The paytable is split between straightforward low symbols and a small set of themed premium icons. The wild is the strongest regular symbol, while the clover sits just behind it as the best standard premium. 

Special Symbols 

• Wild: The wild substitutes for all regular symbols except the bonus symbol. It also pays on its own and carries the highest standard line payout in the game. 
• Green Coin: This coin can help trigger the green Action Boost SpinUP feature and ties into expanded reels, nudged wilds, and rainbow upgrades. 
• Red Coin: This coin can unlock the red Action Boost SpinUP feature, where clovers and jackpots become the main focus. 
• Purple Coin: This coin can lead into the purple Action Boost SpinUP feature, which adds line win multipliers and extra spin potential. 
• Gold Coin: Gold coins feed the gold hat and can trigger the Rainbow Spin feature, which then upgrades or enhances the active bonus setup. 

Rainbow Spin Feature 

Whenever a gold coin appears, there is a chance the Rainbow Spin feature kicks in. Gold coins collect in the gold hat, and if the feature triggers, all three rainbows become active for a single rainbow spin. 

What happens next depends on where the coins land. That combination decides which Action Boost SpinUP bonus is awarded, and whether it arrives with extra upgrades already attached. It is basically the game’s way of turning ordinary coin landings into feature setup, which is a lot more useful than simply having them sit there looking decorative. 

Green Coin Action Boost SpinUP 

The green version awards 10 bonus spins and expands the layout to 40 paylines with reels growing to 6 symbols high. Any reel that lands a wild is nudged so the whole reel becomes wild, which is about as subtle as a marching band in a library. 

Gold coins can still show up during this feature, and they may award cash prizes or extra rainbow spins. If the green feature gets upgraded, it starts adding more wilds on future spins for the rest of the round, which gives the whole thing a stronger sense of momentum. 

Red Coin Action Boost SpinUP 

The red version also awards 10 bonus spins, but this one is built around clover collection and jackpots. Gold coins can award clovers of different colours, and collecting enough of the right colour lands the matching jackpot. 

There is a decent little chase built into it because the red feature can also be upgraded. When that happens, the number of clovers needed for each jackpot drops by one for the rest of the feature. That is a useful twist because it makes the whole thing feel less static than a standard jackpot hunt. 

Purple Coin Action Boost SpinUP 

The purple feature is the multiplier route. It awards 10 bonus spins and gives line wins and bonus credit prizes a multiplier that starts at x2. If the feature upgrades once, that multiplier rises to x3. Upgrade it again, and it goes to x5. 

Gold coins can also award extra spins or rainbow spins while this is happening, which gives the round a bit more flexibility. Of the three main coloured features, this is probably the most straightforward, but straightforward is not always a bad thing when the multiplier is doing useful work. 

Multiple Coin Action Boost SpinUP 

If more than one Action Boost SpinUP type is triggered on the same base spin, the game combines them into a single 10 spin feature. In that situation, the green, red, and purple effects all work together, while the purple multiplier applies to line wins and bonus credit prizes, though not to jackpots. 

This is where the game feels busiest and, naturally, where it has the best chance to justify the long name. It is also the version that makes the whole feature structure click into place. 

3 Lucky Rainbows Action Boost SpinUP uses a 5 reel, 20 payline setup in the base game, with wins paid from left to right. During the green bonus feature, the reel height increases and the game shifts to 40 active lines, which gives the layout a noticeably broader feel. 

Outside the base line wins, a lot of the action revolves around coins landing, collecting into pots, and feeding the different feature routes. That means the rhythm is less about constant little wins and more about whether the right symbols arrive together to switch the game into one of its bonus states. It is a structure we have seen in different forms across online casinos, but this version does at least juggle its feature paths well enough to stay interesting. 

If this one lands well with you, these are the closest fits from the games we have already covered: 

• Rainbow Jackpots Megaways: Another rainbow-centered slot set somewhere in the Irish hills but with a Megaways mechanic added to the mix. 
• Money Stacks Megaways: In case you like the idea of symbols collecting into feature states and pushing the game toward bonus action. 
• Action Boost 3 Lucky Rainbow: Another release from SpinPlay Games with a three coin bonus mechanic. 

3 Lucky Rainbows Action Boost SpinUP does more with its theme than we expected, which is not quite the same thing as saying it reinvents anything. It still leans on familiar Irish imagery, and there are moments where the whole thing feels one green glow away from turning into every other shamrock slot on the market. Still, the feature structure gives it some backbone. 

We like that the three coloured bonus routes actually feel different from each other. The green round is the wild-heavy one, the red round gives jackpots something to do beyond sitting in a banner, and the purple round keeps things simple with multiplier pressure. None of that is revolutionary, but it is organised well. If the theme feels a bit recycled, the feature package at least tries to earn its keep.