Thunderkick Slots | Free Slots by Thunderkick

Founded in 2012 in Stockholm, Sweden, Thunderkick AB began as a small group of passionate developers who wanted to bring fresh ideas to online slots. Their mission was to create games that stand out through originality, design quality, and personality—and they’ve succeeded brilliantly.

Thunderkick’s catalog may be smaller than major studios', but every title is crafted with exceptional attention to detail. The studio focuses on unique mechanics, immersive sound design, and clever volatility models, making its games feel hand-made rather than mass-produced.

All Thunderkick slots are developed in HTML5, ensuring seamless performance across desktop and mobile. The company is licensed by both the UK Gambling Commission and the Malta Gaming Authority, allowing its games to reach players in multiple regulated markets.

Thunderkick has earned widespread respect for its creativity and design excellence, receiving nominations and wins at the EGR B2B Awards, Global Gaming Awards, and WhichBingo Awards.

Its reputation rests on high production quality, reliable RTPs, and consistent entertainment value. The studio is particularly loved by players who appreciate originality; every Thunderkick title feels distinct, polished, and full of heart.

Despite its indie status, Thunderkick’s slots regularly appear in top casino lobbies alongside giants like NetEnt and Play’n GO, a testament to their global appeal and enduring quality.

Below are five of Thunderkick’s most iconic slots, showcasing the studio’s wit, imagination, and visual artistry.

• Theme: Magic
• Format: 5 reels, 23 paylines
• RTP & Volatility: ~96.1% RTP; medium to high volatility

A magical experiment gone wild, Frog Grog takes place in a mysterious alchemist’s lab. Symbols drop instead of spinning, with Cascading Wins, Multiplier Increases, and Frog Wilds that hop across reels. Its moody lighting and quirky charm make it a fan favorite among players who enjoy atmospheric, unpredictable gameplay.

• Theme: Fantasy, Magic
• Format: 5 reels, 17 paylines
• RTP & Volatility: ~96.3% RTP; medium volatility

The Rift blends dark fantasy visuals with immersive sound design to create an eerie yet elegant slot experience. The Rift Free Spins Bonus features Sticky Wilds that expand with every triggering symbol, adding tension and reward to each spin. Its sophisticated tone and polished execution make it one of Thunderkick’s most admired creations.

• Theme: Day of the Dead, Mexico
• Format: 5 reels, 17 paylines
• RTP & Volatility: ~96% RTP; medium volatility

One of Thunderkick’s most iconic releases, Esqueleto Explosivo is bursting with humor and Mexican musical flair. Colorful skeletons sing and explode in harmony as wins cascade. The Dropping Symbols and Explosivo Wilds increase multipliers up to 32x, while its upbeat mariachi soundtrack adds pure joy to every spin. It’s a perfect example of Thunderkick’s lighthearted brilliance.

• Theme: Animals
• Format: 5 reels, 35 paylines
• RTP & Volatility: ~96.1% RTP; medium volatility

A blend of chaos and cuteness, Not Enough Kittens features an eccentric scientist trying to clone cats, with adorably unpredictable results. The game includes Stacked Wilds, Multiplying Kittens, and Free Spins with Expanded Reels. It’s quirky, fun, and utterly charming — exactly what Thunderkick does best.

• Theme: Asian, Animals
• Format: 5 reels, 9 paylines
• RTP & Volatility: ~96.1% RTP; medium to high volatility

Set in the vast Mongolian plains, The Falcon Huntress follows a fierce huntress seeking glory and treasure. Expanding symbols during the Free Spins Bonus create dramatic win potential, while the traditional soundtrack and minimalist art style make the experience deeply immersive. It’s one of Thunderkick’s most celebrated and elegant designs.

Thunderkick operates under licenses from the MGA and UKGC, adhering to strict international standards for fairness, security, and player protection.

All Thunderkick slots are RNG-tested and certified by independent testing labs such as GLI and iTech Labs, ensuring completely random outcomes and fair play.

The company partners exclusively with licensed online casinos that provide responsible gambling tools like deposit limits, session reminders, and self-exclusion options.

Thunderkick also supports BeGambleAware, GamCare, and other player protection organizations, promoting safe and sustainable gaming practices.