# 12 Bolts of Thunder

Experience the # 12 Bolts of Thunder slot online for free in demo mode. No download required to enjoy this thrilling game. Full game details, image gallery, and video demonstration included.
Game Information
12 Bolts of Thunder is a high-volatility online slot developed by Thunderkick, inspired by Norse mythology and centered around the legendary power of Thor's Hammer, Mjolnir. The game features vivid graphics, immersive sound effects, and a thunderous soundtrack that enhances its mythological atmosphere.
Gameplay and Features
Base Game
- The slot uses a 5x4 grid with 20 fixed paylines.
- Standard symbols include a mix of Norse-themed icons and classic slot symbols (Triple Sevens, BAR, Bell, Horseshoe), with the triple sevens being the highest-paying standard symbol.
- Wilds (W-shaped wings on a shield) substitute for all symbols except scatters and Hammer symbols.
Hammer Win Feature
- Hammer symbols (Mjolnir) appear only on reels 2, 3, and 4.
- Landing 4 or more Hammer symbols triggers the Hammer Win, awarding a payout based on the number of Hammers:
✔️4 Hammers: 2x bet
✔️ 5 Hammers: 5x bet
✔️ 6 Hammers: 10x bet
✔️ 7 Hammers: 15x bet
✔️ 8 Hammers: 20x bet
✔️ 9 Hammers: 50x bet
✔️ 10 Hammers: 100x bet
✔️ 11 Hammers: 500x bet
✔️ 12 Hammers: 1,000x bet (base game)
Free Spins Bonus
- Triggered by landing 3, 4, or 5 scatter symbols, awarding 6, 9, or 12 free spins respectively,
- During free spins, every Hammer Win upgrades the Hammer prize ladder, increasing potential payouts. Up to 5 upgrades are possible, and at the highest level, landing 12 Hammers pays the maximum 30,000x your bet,
- Each Hammer Win during free spins also awards 3 additional free spins.
Bonus Buy
- Players can buy direct access to the free spins round for 100x their total bet, with a slightly higher RTP of 96.5%.
Visuals and Audio
The slot's visuals blend classic slot imagery with Norse mythological motifs, set against a backdrop of drifting clouds and thunderous skies. The soundtrack features epic, atmospheric tunes that intensify during bonus features, contributing to the game's immersive feel.
Verdict
12 Bolts of Thunder stands out for its high win potential (up to 30,000x bet), engaging Hammer Win mechanic, and dynamic free spins with progressive upgrades. While the visuals are somewhat understated, the gameplay is straightforward yet packed with features that will appeal to fans of high-volatility, mythologically themed slots.