Yggdrasil Slots
RTP data for 77 Yggdrasil slots — see which ones pay the most.
Updated 1 Apr 2026
Total Slots
77
Average RTP
95.77%
Highest RTP Slot
Jokerizer
98.00%
Most Popular
Vikings Go Berzerk
| Slot Name | RTP (%) | Volatility | Max Win |
|---|---|---|---|
| Jokerizer | 98.00% | High | 600x |
| Tut’s Twister | 97.10% | High | 125,000x |
| Raptor 2 | 97.00% | High | 9,493x |
| Wilhelm Tell | 97.00% | High | 7,500x |
| Baron Samedi | 97.00% | High | 2,179x |
| Nitro Circus | 97.00% | Low | 2,070x |
| Bob Marlin Goes Deep | 96.80% | Low | 3,905x |
| Dwarf Mine | 96.80% | High | 3,905x |
| Winterberries | 96.70% | High | 2,500x |
| Dark Vortex | 96.50% | High | 7,318x |
| Lucky Neko GigaBlox™ | 96.40% | High | 6,953x |
| Wild Robo Factory | 96.40% | High | 2,878x |
| Champions of Rome | 96.40% | High | 2,683x |
| Vikings Go Berzerk | 96.30% | High | 2,070x |
| Pirates – Smugglers Paradise | 96.30% | Low | 1,243x |
| Yokozuna Clash | 96.30% | High | 3,440x |
| Jackpot Raiders | 96.30% | Low | 4,110x |
| Wolf Hunters | 96.30% | High | 2,324x |
| Rainbow Ryan | 96.30% | High | 5,100x |
| Bicicleta | 96.30% | Medium | 1,900x |
Yggdrasil: GEM Framework, YGS Masters, and a Mid-Tier UK Footprint
LIVE TIER TRACKINGYggdrasil is a Maltese-Swedish studio founded in 2013 that has built a distinctive dual identity: a slot developer producing its own titles and a B2B technology provider offering game development tools to other studios through its GEM (Game Enhancement Mechanics) framework and YGS Masters partner programme.
Yggdrasil's own titles include Vikings Go Berzerk (96.10%), Valley of the Gods (96.20%), Hades: Gigablox (96.30%), and Raptor DoubleMax (96.00%). The studio's visual production values are consistently high — cinematic art direction, smooth animations, and polished UI design that compete with NetEnt and Pragmatic Play on presentation quality.
RTP Tier System
The RTP tier system on Yggdrasil titles follows the industry-standard variable model with 2-4 operator-selectable configurations per title. The tier spread is moderate — typically 94-96% from bottom to top tier. This is narrower than Play'n GO's 84-96% range or Red Tiger's 90-96% spread, making Yggdrasil's worst-case deployment less extreme than some competitors.
For UK 2026 players, the moderate spread means Yggdrasil titles deployed at lower tiers still produce returns within a familiar range rather than the dramatic reductions possible with wider-tier providers. Verifying the deployed configuration through the in-game information screen remains advisable — see our guide to how casinos change RTP.
The GEM Framework and YGS Masters
The GEM framework is Yggdrasil's proprietary game engine that provides mechanical building blocks — Gigablox (oversized symbols), Splitz (splitting symbols), MultiMAX (multiplier accumulation), and DoubleMax (double multipliers on cascade wins). These mechanics are available to Yggdrasil's in-house developers and to external partner studios through the YGS Masters programme. This means games from partner studios may carry Yggdrasil's mechanical DNA while being developed by a different team.
YGS Masters partners include studios like Peter & Sons, TrueLab, and others who use Yggdrasil's technology and distribution. Games produced through YGS Masters are distributed alongside Yggdrasil's own titles, blurring the line between in-house and partner content in casino lobbies.
UK Availability and 2026 Position
UK availability is solid but not universal. Yggdrasil holds a UKGC licence and distributes through major aggregation platforms. Most large UK operators carry Yggdrasil titles. Smaller or more selective operators may not. The studio's UK footprint is narrower than Pragmatic Play or NetEnt but broader than niche providers like Nolimit City or Hacksaw Gaming.
For UK 2026 players, Yggdrasil represents a mid-to-upper-tier provider with strong production values, moderate tier spreads, and a B2B ecosystem that extends its influence beyond its own game catalogue. The GEM mechanical framework is the studio's most distinctive contribution to the UK slot landscape.
Frequently Asked Questions
What is YGS Masters?
Yggdrasil's partner studio programme where external developers use Yggdrasil's GEM framework and distribution network to create and distribute games.
How many RTP tiers does Yggdrasil offer?
Typically 2-4 per title with a moderate spread (approximately 94-96%). Narrower than Play'n GO or Red Tiger.
What are Gigablox and Splitz?
Proprietary mechanics from Yggdrasil's GEM framework. Gigablox creates oversized symbols (2x2 to 6x6). Splitz splits symbols into multiple instances, increasing ways to win.
Are Yggdrasil slots available at all UK casinos?
Most large operators carry Yggdrasil. Availability is narrower than Pragmatic or NetEnt but broader than niche studios.
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