Gemtastic — Iosif Games
Designed by Tomasz Wozniak, Sound Designer at Iosif Games
Gemtastic is a video slot from Iosif Games, blending blue and crystals themes with 30 payways and a solid RTP of 95.14%. Casual players and high rollers alike will find the math model makes every session rewarding on every spin.
At its core, Gemtastic is built around a classic spin cycle featuring avalanche, cascading and mega symbol (3x3). Match the symbols on the reels and unlock bonus rounds that can compound into big wins of up to 9700x.
Bonus features sit at the heart of Gemtastic, with avalanche, cascading and mega symbol (3x3) driving the momentum. Every bonus trigger adds a layer of anticipation — look out for scatters and wilds that unlock the most rewarding sequences.
With High volatility, expect larger but less frequent payouts — and the 95.14% RTP keeps the long-run return fair. The result is a math model that suits both casual sessions and longer runs.
Overall, Gemtastic by Iosif Games is a video slot that deserves a spot in any slot fan's library. Try the free demo to get a feel for the features, then play for real money when you're ready.
Where to play for real money
| Casino | Bonus | Rating | Payout | Play now |
|---|---|---|---|---|
| Roobet | 20% rakeback | 4.6/5 | Instant | Play now |
| MyStake | 150% up to $1500 | 4.6/5 | 0-1 hours | Play now |
| Dazard | 100% up to $5000 + 100 FS | 4.6/5 | Instant | Play now |
Gemtastic specifications
| Attribute | Value |
|---|---|
| Provider | Iosif Games |
| RTP | 95.14% |
| Volatility | High |
| Max Win | 9700x |
| Paylines | 30 |
| Layout | 6-5 |
| Min Bet | 0.10 |
| Max Bet | 10 |
| Technology | JS, HTML5 |
| Released | 2026-09-13 |
Features
- Avalanche
- Cascading
- Mega Symbol (3x3)
- Multiplier
- Random Wilds / Additional Wilds
- Respins
- RTP range
- Wild
Themes
More from our studio
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|---|---|---|---|---|
| Versailles Gold: Relic Hunters and the Book of Faith | 96.44% | Low-Med | 5400x | Play |
| King Spin Deluxe | 96.17% | Med-High | 11000x | Play |
| King Cobra | 95.45% | High | 10000x | Play |
| Fruity Burst Jackpot | 95.61% | Med | 5400x | Play |
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| Fu Er Dai | 94.47% | High | 4800x | Play |
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Where to play for real money
| Casino | Bonus | Rating | Payout | Play now |
|---|---|---|---|---|
| 1xBet | 100% up to $100 + 150 FS | 4.7/5 | 0-15 min | Play now |
| Stake | 200% up to $2000 | 4.8/5 | Instant | Play now |
| BitStarz | 100% up to $500 + 180 FS | 4.8/5 | Instant | Play now |
| Roobet | 20% rakeback | 4.6/5 | Instant | Play now |
| MyStake | 150% up to $1500 | 4.6/5 | 0-1 hours | Play now |