There’s €150,000 under the Ygg-Mass Tree! 🎄

Trigger a random mystery prize worth up to €5,000 in the participating games. Play until December 28 to grab your share of the €150,000!

👉 And don't forget: every bet can turn into a magical win. ✨





📜 Terms & Conditions

Promotion Period

The “Ygg-Mas Tree Mystery Prize Drops” run from 8 December 2025 at 10:00 until 28 December 2025 at 23:59. This is a global network promotion operated by Yggdrasil, and prize pools are shared across participating operators.

The participating games rotate weekly:

8–14 December 2025

Christmas Plaza DoubleMax™ ▪ Valley of the Gods ▪ Vikings Go To Olympus Wild Fight™ ▪ RushingWilds™ ▪ Buffalo Freedom DoubleMax™ ▪ Winterberries 2 ▪ GoldStorm Ultra

15–21 December 2025

Frost Queen Jackpots ▪ Golden Fish Tank ▪ Vikings Go Berzerk ▪ Carol of the Elves ▪ 4 FOXX Crew WildEnergy™ MultiMax™ ▪ MexoMax 2 WildEnergy™ MultiMax™

22–28 December 2025

Winterberries ▪ Raptor DoubleMax™ ▪ 4 Fantastic Vikings Go Fishing ▪ Holmes & the Stolen Stones ▪ Captain Cashmap ▪ Rock Star Santa MultiMax™

Eligibility & Opt-in

To take part in the Ygg-Mas Tree Mystery Prize Drops, you must join or opt in through the pop-up displayed in any Participating Game. By opting in, you confirm your participation and acceptance of these Terms & Conditions.

Qualifying Bets

  • No minimum bet is required.
  • Only real-money bets placed during the Promotion Period qualify.
  • Each qualifying bet can trigger one (1) random mystery prize.
  • You may win multiple prizes during the campaign.

How It Works

  • Any real-money spin in a Participating Game may trigger a random mystery prize from the €150,000 prize pool.
  • Prizes are awarded instantly when triggered.
  • At least one top prize (one of the three highest-value prizes) is guaranteed to be awarded during the final 5% of the total campaign duration.
  • The remaining number of prizes is updated every 60 seconds in the in-game promotional interface.

Prizes & Payouts

  • The total prize pool for this campaign is €150,000.
  • Prizes are credited as cash, with no wagering requirements.

Weekly Prize Pool

Number of PrizesPrize (€)
15,000
42,000
51,000
10500
50100
50020
1,20010

Live Tracking

Players can view:

  • their own mystery prizes
  • prizes won by other players
  • the remaining number of prizes

directly within the promotional interface of each Participating Game.

General (Yggdrasil)

  • Yggdrasil may amend or cancel the promotion at any time.
  • Yggdrasil may withhold prizes resulting from technical errors, incorrect payouts, player collusion, or cheating.

General (Napoleon)

  • This promotion is reserved for individuals aged 21+, registered legally on napoleoncasino.be under an A+ licence.
  • Participation constitutes full acceptance of these Terms & Conditions and any decisions Napoleon may take regarding the promotion.
  • Napoleon may modify or cancel the promotion at any time.
  • Any player found to be engaging in fraud, abuse, or suspicious behaviour may be excluded.
  • These rules supplement Napoleon’s General Terms & Conditions.
  • Napoleon encourages responsible entertainment. Please play responsibly.