Gem Star is an Amatic gem slot with 100 paylines — a denser line map than Diamond Cats (20 lines) or Lucky Bells (20 lines). Our notes list 96% RTP and no volatility band. Because 100 lines can make individual line wins harder to read at a glance, the demo is useful for watching how wins highlight on the grid. Feature names were not in our sources; the in-game help is the rulebook.
Who it's for
Gem Star is for testing stake, pacing, and the paytable. Real-money play still needs your own limits — the demo does not predict the next result.
How to play
- 1
Load the demo
Open the demo and wait for the game to load.
- 2
Set your stake
Choose bet size, plus coin value or level if the game offers it.
- 3
Spin
Press Spin to start a round, or use Auto-play if available.
- 4
Watch for features
Look for scatters, free spins, and other triggers in the paytable.
Symbols
- High
Jewel and star premiums (see in-game paytable).
Bonus features
- Feature
Our sources did not list a named bonus round for Gem Star.
- Scatter trigger
Check wilds, scatters and extras in the demo paytable.
RTP & sources
Look & sound
Graphics
Jewel-and-star presentation on a 100-line Amatic frame. The extra lines are the practical difference versus Diamond Cats, not a cluster grid like Sugar Rush.
Sound
Standard Amatic win cues. Use the demo if you need audio tells for special symbols.
Pros & cons
Pros
- 100-line map for players who want more ways than a 20-line Amatic title
- Gem theme pairs with Diamond Cats without copying the cat branding
- Published RTP listed at 96% in our notes
Cons
- Volatility not listed in our notes
- Bonus round not documented in our sources
- Dense line map can be harder to read than 20-line games
FAQ
- How do I play the Gem Star demo?
- The demo runs in the iframe on this page with no account. Set a stake, read the in-game paytable, and keep your own time and budget limits.
- What is the RTP of Gem Star?
- Our notes list 96%. RTP is a long-run average and can differ by operator profile — confirm the value shown in-game.
- Who made Gem Star?
- Amatic. Studio pages and the in-game help take priority over third-party aggregators.
