
Mystery Jack Slot Review
RTP, volatility and max win
8.2Value score · Very good · how it works
Mystery Jack review: Wazdan's 2013 three-reel Wild West slot with free spins, Medium volatility and a 96.79% RTP, or a 3.21% house edge.
- #2by value of 250 Wazdan slots
- #260by RTP of 3,708 slots
- #400by value of 3,708 slots
Basic information
| Software | Wazdan |
|---|---|
| Release year | 2013 |
| RTP | 96.79% |
| Volatility | Medium |
| Max win | Not published |
| Hit frequency | Not published |
| Features | Free spins |
| Game type | Slot |
| Data verified | 2026-09-28 |
Source: Wazdan game page; RTP database by toolsgambling.com (CC BY 4.0); image: Wazdan promotional image from the official game page. How we collect data · Report a mistake
Mystery Jack review
Mystery Jack is a small game with a strong number: a 96.79% RTP, which leaves a house edge of 3.21%. Wazdan built it in 2013 as a classic three-reel slot with cartoon-style, old-school symbols and a Wild West setting. The studio's page says little about the rules, so this review stays short and leans on the figures.
Three reels, frontier styling
Three reels put it in the traditional camp: fewer positions, a short paytable and quick results to read. Wazdan describes the symbols as cartoonish and old-school, set against a Wild West backdrop with its own soundtrack.
The official rules are not in our pack, so the number of lines, the symbol values and the bet range cannot be confirmed here. The in-game paytable is the place to check them.
Features: what is confirmed
The studio page mentions a set of bonuses and lists free spins among the game's features, along with a mechanic that helps complete winning combinations. It does not say what triggers the free spins, how many are awarded or what that helper mechanic is called. We do not fill those gaps with guesses. Anyone who wants the details should open the help screen inside the game before staking money.
There is no free official demo in our data for this title.
The figures that are published
The single listed RTP of 96.79% means a house edge of 3.21%, which works out at roughly $32.10 retained per $1,000 in bets over the long term. A run of 100 spins costs $0.64 on average at $0.20 per spin, $3.21 at $1 and $16.05 at $5. Actual sessions will swing well away from these averages.
Volatility is rated Medium. No max win is published.
Deluxe edition and other Wazdan classics
Mystery Jack Deluxe, from 2017, is the only follow-up we hold. It lists a lower 96.49% RTP and a High volatility rating, so the original is the gentler and cheaper of the two on paper.
Other older Wazdan games with similar numbers include Win and Replay from 2014 at 96.99%, Wild Jack 81 from the same year at 96.73% and Wild Girls from 2013 at 96.53%, all rated Medium. Magic Poker lists 96.61% and Burning Stars 96.5%, both from 2014 and both Medium as well.
Who should look at it
Mystery Jack fits players who like compact three-reel games and pay attention to RTP. Medium volatility suggests a balance between frequent small results and occasional larger ones. Those who want detailed bonus mechanics, a published max win or a demo to try first will find too little information here.
Pros
- Medium volatility
- Simple three-reel format
- 96.79% RTP, about $32.10 per $1,000 wagered
Cons
- Feature rules, including free spin triggers, are not published in our data
- No max win figure
- No free official demo
Verdict
Mystery Jack is a 2013 three-reel Wild West slot whose main strength is its 96.79% RTP, paired with Medium volatility. The studio confirms free spins and a combination helper but not how they work, and there is no demo or max win on record. Read the in-game rules first and treat any session as paid entertainment with a 3.21% house edge.
Sources: Wazdan official game page; RTP, volatility and max win from the open Slot RTP Database.
Mystery Jack series
1 other game of the same franchise by Wazdan, oldest first.
Slots like Mystery Jack
Mystery Jack RTP
The data lists one RTP for Mystery Jack. Versions are not tracked for Wazdan games, so other versions may exist; check the game's info screen.
- 96.79% $32.10 lost per $1,000
Cost of 100 spins
| Bet | Wagered | Average cost at 96.79% |
|---|---|---|
| $0.20 | $20 | $0.64 |
| $1 | $100 | $3.21 |
| $5 | $500 | $16.05 |
Averages computed from the published RTP; real sessions vary widely around them. RTP calculator
Mystery Jack max win, volatility & stats
- Value score
- 8.2 / 10
- Lost per $1,000 (average)
- $32.10
- Max win at $1 bet
- –
- Wins on average
- –
Percentiles compare this game with the 3,708 games in the catalogue. Max win: not published.












