Jammin' Jars 2 Slot Review: RTP, Max Win & Strategy
The disco-fueled sequel to the smash-hit cluster pays slot, adding a Giga Jar feature and a groovy 50,000x max win potential.
The disco-fueled sequel to the smash-hit cluster pays slot, adding a Giga Jar feature and a groovy 50,000x max win potential.
In short
Push Gaming's Jammin' Jars 2 is an 8x8 cluster pays slot with high volatility and a 50,000x max win. The game offers multiple RTP configurations, peaking at 96.4%. It builds on the original with a new Giga Jar feature, earning a 4/5 star rating from our experts.
Key facts
| Studio | Push Gaming |
|---|---|
| Released | 2 June 2021 |
| RTP | 96.4% (Also 95.35%, 94.35%, 90.47% versions) |
| Volatility | High |
| Max win | 50,000x stake |
| Reels / ways | 8x8 grid / Cluster Pays |
| Hit frequency | 24.58% (on 96.4% RTP) |
| Bet range | 0.10 to 100 |
| Bonus buy | Yes (Jurisdiction dependent) |
| Demo play | Yes |
How Jammin' Jars 2 Plays
Jammin' Jars 2 is played on a vibrant 8x8 grid. Wins are formed by landing clusters of 5 or more matching fruit symbols connected horizontally or vertically. There are no paylines; it's all about the size and value of your cluster.
After a win is paid, the successful symbols are removed from the grid. New symbols then collapse from above to fill the gaps, creating opportunities for consecutive wins within a single spin. This process continues until no new winning clusters are formed.
The Maths and RTP Configurations
The default Return to Player (RTP) for Jammin' Jars 2 is a solid 96.4%. However, Push Gaming provides operators with lower RTP builds, including 95.35% and 94.35%. It is crucial to open the in-game information screen at your chosen casino to verify which version you are playing.
This is a high volatility slot. The hit frequency of around 24.58% means wins occur on roughly one in four spins, but most will be small. The game is designed for long periods of low returns punctuated by explosive wins, primarily during the bonus features.
Base Game and Core Features
The base game revolves around landing clusters and watching for the key symbols to appear. The iconic Wild Jar symbols are central to the action, substituting for other symbols and increasing their multiplier with each win they are part of.
- Wild Jar Symbol: Substitutes for all symbols. When part of a win, it moves to an adjacent vacant position before the next collapse and its multiplier increases by +1.
- Instant Prize Symbols: Coin symbols can land in clusters of 5 or more, paying out their combined value multiplied by your bet.
- Fruit Blast: A random feature that can trigger after any collapse, dropping one or more giant fruit symbols onto the grid to guarantee a win.
Bonus Features Explained
The main attraction is the Free Games feature, triggered by landing 3 or more Wild Jar symbols anywhere on the grid. This awards 6 free spins where the triggering jars remain on the grid, retaining their multipliers between spins and continuing to build them.
A new addition is the Giga Jar feature. During the base game, gold vinyl symbols can land, which are collected in a meter next to the grid. Once the meter is full and you land 3+ Wild Jars, the Giga Jar feature is activated, unleashing a colossal wild on the grid.
The Giga Jar is a tantalising mirage; the real potential lies in the classic free spins with walking, multiplying wilds.
Max Win and Realistic Expectations
The advertised 50,000x max win is a massive draw, but it is an exceedingly rare event tied to a perfect storm of multiplying Wild Jars. A more realistic goal is achieving a profitable Free Games session where several jars connect on high-paying symbols, which can still lead to wins of several thousand times your stake.
Where Jammin' Jars 2 Falls Short
The primary weakness is the grind required to trigger the Giga Jar feature. Filling the gold vinyl meter can take thousands of spins, and many players will never see it activate. This makes the game's headline new feature feel more like a theoretical marketing point than an achievable goal, which holds the game back from a perfect score.
Playing at a Crypto Casino
Jammin' Jars 2 is widely available at crypto casinos licensed in jurisdictions like Curacao. A key advantage for players at these sites is the potential access to the Bonus Buy feature, which is often restricted in traditional markets. As always, remember that slots are games of chance with a negative expectation; play only with funds you are prepared to lose.
How to do this
Strategy for the Jars
- Check the RTP: Before playing, always open the game's paytable or info screen to confirm you are playing the 96.4% RTP version, not a lower one.
- Size Your Bankroll: The high volatility demands a bankroll that can sustain 200-300 spins to have a reasonable chance of triggering a feature.
- Manage Giga Jar Expectations: Don't chase the Giga Jar. View it as an extra lottery ticket; the core game's potential is in the standard free spins.
- Use Bonus Buys Cautiously: The feature buy is expensive and doesn't guarantee a return. It's a high-risk way to see the feature, not a reliable strategy for profit.
How Jammin' Jars 2 Compares
| Game | RTP | Volatility | Max win | Bonus buy |
|---|---|---|---|---|
| Jammin' Jars 2 | 96.4% | High | 50,000x | Yes |
| Jammin' Jars | 96.83% | High | 20,000x | No |
| Reactoonz 2 | 96.2% | High | 5,083x | No |
| Sugar Rush | 96.5% | High | 5,000x | Yes |
Our take
Jammin' Jars 2 is a brilliant sequel that successfully enhances the electric gameplay of the original. The core loop of collapsing wins with walking, multiplying wilds is as compelling as ever, and the 50,000x potential is undeniable. However, the Giga Jar feature feels almost inaccessible, a frustratingly long grind that detracts from the experience. It's an excellent slot, but this design choice prevents it from being a perfect one, earning it a strong 4/5.
How we tested this slot
We played Jammin' Jars 2 on live builds at more than one casino, opened the in-game information screen on each and recorded the RTP actually deployed rather than the studio's headline figure. We compared the paytable, hit frequency and max-win rules against Push Gaming's own documentation, and checked the certification standards linked below. Where operators ship a reduced RTP build, this review says so.
Last checked: August 2026
How we scored this
Rating: 4 / 5
| Criterion | Weight | Score |
|---|---|---|
| Maths and RTP transparency | 35% | 4.2 / 5 |
| Feature design | 20% | 3.9 / 5 |
| Win potential vs. cost | 20% | 3.7 / 5 |
| Presentation and mobile | 15% | 4.1 / 5 |
| Crypto-casino availability | 10% | 4.3 / 5 |
Sources and references
- Official game catalogue and mechanics documentation — Push Gaming
- RNG and game certification standards — Gaming Laboratories International
- Our review methodology and scoring weights — CasinosPlayed
Frequently asked questions
What is the max win on Jammin' Jars 2?
The maximum win on Jammin' Jars 2 is capped at 50,000 times your stake. This is typically achieved during the Free Games feature with multiple high-multiplier Wild Jars.
Is Jammin' Jars 2 better than the original?
It depends on player preference. Jammin' Jars 2 offers a higher max win and more features like the Giga Jar, but some players prefer the simpler, more focused gameplay of the original Jammin' Jars.
How do you trigger the Giga Jar feature?
The Giga Jar feature is triggered in two stages. First, you must collect enough gold vinyl symbols during the base game to fill the meter, then you must land three or more Wild Jar symbols to activate it.
What is the RTP of Jammin' Jars 2?
The highest available RTP for Jammin' Jars 2 is 96.4%, but operators can choose to offer lower RTP versions at 95.35% or 94.35%. Always check the game's info file before playing.
Is Jammin' Jars 2 a high volatility slot?
Yes, Jammin' Jars 2 is a very high volatility slot. This means wins can be infrequent, but there is potential for very large payouts during the bonus features.
Can you buy the bonus on Jammin' Jars 2?
Yes, in most jurisdictions you can buy direct entry into the Free Games feature. The cost is typically a significant multiple of your base stake.