Theoretical RTP
95.10%
Volatility
MediumMax Win
500x
Release Date
2018
NetEnt offers 6 RTP configurations for this slot. Most UK casinos in 2026 deploy at 94.05%. Check the in-game info screen at your casino to confirm which tier you are playing.
Verified deployment data coming soon. Check available titles:
Live RTP by Casino
See how this slot's RTP varies across different casinos
| Casino | RTP Setting | Difference | Status |
|---|---|---|---|
| Zizobet | 96.31% | 0.00% | Fixed |
| Cosmobet | 96.31% | 0.00% | Fixed |
| Mad Casino | 96.31% | 0.00% | Fixed |
| Gambiva | 96.31% | 0.00% | Fixed |
| bet365 | 96.31% | 0.00% | Fixed |
| Betway | 96.31% | 0.00% | Fixed |
| Ladbrokes | 96.31% | 0.00% | Fixed |
| LeoVegas | 96.31% | 0.00% | Fixed |
| Mr Green | 96.31% | 0.00% | Fixed |
| Sky Casino | 96.31% | 0.00% | Fixed |
| Snatch Casino | 96.31% | 0.00% | Fixed |
| William Hill | 96.31% | 0.00% | Fixed |
RTP Tracking Coming Soon
RTP Tracking Coming Soon
Live deployed RTP tracking launches in Q2 2026. Subscribe to alerts to be notified when tracking goes live for this slot.
About Asgardian Stones
Asgardian Stones is the rare NetEnt slot without an RTP tier trap — but the maths give operators nothing to hide because there is barely any upside to hide. The 96.31% RTP is fixed across a single configuration. No operator can dial it down. That is the good news.
The bad news is the ceiling. Despite arriving alongside Thor: Ragnarok's marketing wave, the 2,000x max win is lower than Steam Tower's from three years earlier and a fraction of what modern Norse-themed competitors deliver. The Colossal Crush progressive multiplier caps at 4x. The Bonus Wheel feature is restricted to reels 3-5 only, capping its trigger frequency. RTP is front-loaded into small and medium Avalanche wins, not tail events — this is a grinding slot, not a chasing slot.
The Avalanche mechanic is standard NetEnt — winning symbols disappear, new ones drop in, the multiplier increments by 1x to a 4x ceiling. The Colossal Symbol feature places 3x3 oversized symbols on reels 2-4, occasionally producing meaningful base-game wins. The Bonus Wheel triggers free spins with a starting multiplier — but the 4x cap during free spins limits the maximum bonus payout.
For cascade enthusiasts, Gonzo's Quest at approximately 96.00% with a 5x multiplier cap is mathematically better. Secrets of Atlantis at 97.07% outclasses Asgardian on both RTP and max win. Asgardian's only advantage is the fixed-RTP guarantee — which matters more in 2026 than it did at launch, given how many NetEnt titles have since become operator-configurable. If you want Norse theming and cannot tolerate tier exposure, Asgardian Stones is the safe-but-uninspiring choice.
Key Features
Fixed 96.31% RTP
Single configuration. No tier menu. No operator can dial it down — rare for a post-2018 NetEnt title.
Avalanche Mechanic
Winning symbols disappear and new ones drop in, with the multiplier incrementing by 1x to a 4x ceiling.
Colossal Symbols
3x3 oversized symbols land on reels 2-4, occasionally producing meaningful base-game wins.
Bonus Wheel
Triggered by Bonus Wheel symbols on reels 3-5 only — awarding free spins with starting multipliers.
Free Spins
Bonus round starts with an elevated multiplier but caps at the 4x ceiling, limiting maximum payout.
2,000x Max Win
Modest ceiling — lower than Steam Tower from 2015 and a fraction of modern Norse competitors.
Track RTP changes on Asgardian Stones:
Deployed RTP changes, new slot launches, and the data UK casinos don't advertise. One email per week. Unsubscribe anytime.
RTP does not guarantee wins. Return to Player percentages reflect long-term mathematical averages across millions of spins. Individual sessions can and will produce results that differ significantly from theoretical RTP. Slot outcomes are determined by certified random number generators. Play responsibly.