Nightmares VS GigaBlox Slot Review

4 out of 5

Nightmares VS GigaBlox by Yggdrasil Gaming
Created:Author's Profile PictureMia Lee
Reviewed by:
Ethan Parker,
Maria White,
Lily Adams.

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  • bandRaiting
  • Provider
    Yggdrasil Gaming
  • Release Date
  • Bonus Bay
  • Bonus Feature
  • Free Spins
  • Autoplay
  • Quickspin Feature
  • Scatter
  • Wild
  • RTP
    96.1% | 93.9% | 90.6% | 86.4...
    96.1 %
  • House edge
    3.90 %
  • Volatility
  • Reels
  • Rows
  • Paylines
  • Layout
  • Theme
    Animals, Vapmires, Wolf
  • Free spin freq
  • Hit frequency
    24.5 %
  • Max Win
  • Max Win Probability
  • Min Bet
    0.5 $
  • Max Bet
    30 $

Spotlight: Nightmares VS GigaBlox
Nightmares VS GigaBlox by Yggdrasil Gaming screen 1
Nightmares VS GigaBlox by Yggdrasil Gaming screen 2
Nightmares VS GigaBlox by Yggdrasil Gaming screen 3
Nightmares VS GigaBlox by Yggdrasil Gaming screen 4

👻 As an avid slots enthusiast, I'm always on the lookout for exciting new titles to try out. When I heard about the release of Nightmares VS GigaBlox, I knew I had to give this spooky slot a spin! After playing over 1000 rounds across desktop and mobile, I'm ready to share my in-depth review.

🎰 Nightmares VS GigaBlox comes from software developers Hot Rise Games, ReelPlay, and Yggdrasil Gaming. This horror-themed slot utilizes the popular GigaBlox mechanic, pitting nightmare characters against each other in battle. With creepy visuals, immersive sound effects, and monstrous potential wins, this game looked promising.

🌘 Time to see if this slot would bring thrills or chills! I headed straight to my favorite online casino, made myself cozy, and loaded up the Nightmares VS GigaBlox demo. After hitting spin over a thousand times, it was clear this slot delivered a sinisterly good time. Keep reading for my full review!

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Graphics and Theme: 4/5

Right from the start, the visuals pull you into a dark, eerie world. The reels are set atop a crumbling stone wall, flanked on either side by sculptures of gargoyle-like creatures. Behind the reels, a full moon hangs over dilapidated houses and dead trees, setting an appropriately ominous mood.

The high-paying symbols are characters straight from nightmares, including a werewolf, swamp monster, mummy, and seafaring skeleton. The designers did a phenomenal job capturing the creepy nature of these classic horror icons. Small touches like bobbing bats and fluttering ravens add motion and flair.

I especially loved the way the reels seem to come alive when the bonus round activates. Flames roar, lightning cracks, and the monster symbols transform into towering challengers ready to battle. The transformation is seamless across desktop and mobile.

While not the most cutting-edge graphics I've seen, the visuals are incredibly polished and reflect the horror theme flawlessly. I was captivated from the first spin.

Sound Effects & Music: 5/5

The audio experience is just as impressive as the visuals. From the moment you hit spin, an eerie soundtrack filled with off-kilter notes and unsettling sounds sets the tone. Soft moans, screeching bats, and howling wind emanate from all sides, making you feel immersed in a horror film.

The sounds effects perfectly match the creepy happenings on screen. Scatter symbol wins unleash screeches and screams, while big wins prompt thunderclaps and roars from the monster characters. Even small wins have unique audio cues, like the rattle of bones or bubbling potions.

The music and sounds seamlessly ramp up in intensity when the bonus round starts. Flames roar loudly and triumphant yet sinister music plays as your chosen nightmare warriors prepare for battle. The audio experience was absolutely captivating and synced flawlessly with the gameplay.

Gameplay: 4/5

In terms of gameplay, Nightmares VS GigaBlox strikes the perfect balance between simplicity and depth. The GigaBlox mechanic allows for oversized symbols between 2x2 and 6x6, helping players land bigger wins. This makes the base game exciting, as massive symbols can drop in on any spin.

To activate the highly-anticipated Versus battle feature, players need to land 6 or more scatter symbols. This initiates 6 free spins and designates a Champion and Challenger monster randomly. Collecting these special symbols during the battle can unlock wilds, multipliers, extra spins, and more. I loved watching the feature meters fill up and activate rewards!

With bonuses like re-triggers, growing multipliers, and Major Prizes for maxing out meters, gameplay stays engaging. Despite complex features, autoplay and bet settings allow for customized experience. Across desktop and mobile, gameplay was intuitive and rewarding.

Rewards: 4/5

Nightmares VS GigaBlox offers solid reward potential, especially during the Versus Bonus. The maximum win clocks in at 7,353x your bet, which is decent but not record-breaking. With medium-high volatility, payouts feel evenly distributed instead of coming in infrequent mega wins.

Base game payouts reach up to 10x your bet, while wild symbols return up to 50x. The Versus feature can really ramp up rewards, especially if you max out the Champion and Challenger meters. Major Prizes, increasing multipliers, and extra free spins kept rewards coming during my bonus rounds.

While rewards could be higher for volatility this level, winning potential remains solid. Plus, with frequent small hits, my bankroll always felt replenished enough to keep playing.

Originality: 3/5

While not the most groundbreaking slot, Nightmares VS GigaBlox still incorporates some unique elements. The Versus battle between the Champion and Challenger is an inventive take on the typical free spins round. Instead of predetermined rewards, players collect symbols to unlock surprise features and prizes.

The slot also succeeds at creating an immersive horror world thanks to polished graphics and audio. Horror is a popular slot theme, but Nightmares VS GigaBlox executes it with panache and attention to detail. Fans of slots like NetEnt's Creature from the Black Lagoon will feel right at home.

That said, seasoned players may find certain aspects like the GigaBlox mechanic and high-paying character symbols familiar. While not the most innovative slot out there, Nightmares VS GigaBlox nonetheless provides a distinctive spooky experience.

Overall: 4/5

From spine-tingling music to monstrous win potential, Nightmares VS GigaBlox is a frightfully good time. As a slots fanatic, I'm quite picky, but this game hit all the right notes. The bonus round added layers of excitement, while the horror theme came alive through polished graphics and sounds.

While the rewards system and certain features may feel familiar, the slot still managed to keep me entertained for hours. Across desktop and mobile, gameplay remained captivating and wins kept coming. If you're looking for an engaging medium-volatility slot, Nightmares VS GigaBlox deserves a spin. Just be prepared for a thrillingly spooky experience!

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Nightmares VS GigaBlox is a horror-themed online slot from Hot Rise Games, ReelPlay, and Yggdrasil Gaming. The visually stunning game utilizes the GigaBlox mechanic to deliver big wins through oversized symbols on the 6x6 reel set. Players can trigger the action-packed Versus Bonus by landing 6 scatters, where a Champion and Challenger monster battle to unlock free spins, multipliers, and more prizes. With medium-high volatility and a 96.1% RTP, this slot provides decent winning potential in the base game and through features. The polished graphics, chilling audio, and intuitive gameplay create an engaging experience on desktop and mobile. While not the most innovative, Nightmares VS GigaBlox is a solid option for horror buffs and slots enthusiasts.

My Thoughts Overall

After over 1000 spins across multiple sessions, I'm impressed by what Nightmares VS GigaBlox brings to the table. The game does an amazing job creating a spooky atmosphere through sound, visuals and features. I loved encountering all the creepy characters and symbols rendered in stunning detail.

The GigaBlox mechanic added excitement to every spin, knowing any symbol could become a massive 6x6 block. Triggering the Versus Battle was a definite highlight, ramping up the intensity through boosted graphics and sound effects. I had fun collecting Champion and Challenger symbols to unlock cool rewards.

While not wildly innovative, I appreciate that Nightmares VS GigaBlox feels polished and rewarding. The bonus maintained my interest through re-triggers, growing multipliers, extra spins, and surprise features. The base game hit frequently enough to sustain my bankroll when bonuses weren't hitting.

Most importantly, the gameplay remained captivating across an extended session, which can be hard to accomplish. Whether playing on desktop or mobile, Nightmares VS GigaBlox kept me entertained with its perfect dose of horror and slots action.

Bonus Features


In any spin, any symbol can turn into a giant GigaBlox, covering anywhere from 2x2 to a massive 6x6 spaces on the grid. These oversized symbols help create bigger winning combinations.

I love when the high-paying monster characters turn into huge GigaBlox! Seeing the creepy Vamptress or Frankenstein fill up the grid adds to the overall enjoyment.

While the GigaBlox feature isn't anything new, it meshes nicely with the horror theme and helps boost base game payouts. Plus, who doesn't love giant symbols?

Versus Battle

This is the main event - where two monster characters go head-to-head in battle!

To trigger it, you need to land 6 or more scatter symbols. This awards 6 initial free spins. Before the spins begin, the game randomly chooses a Champion and a Challenger monster.

When these two monsters land during the feature, they get collected on meters shown on screen. The more you collect, the bigger the rewards:

  • Collect 5 - 2x multiplier for both monsters
  • Collect 10 - 5x multiplier for Champion, +2 spins for Challenger
  • Collect 20 - Champion symbols turn Wild, 5x multiplier for Challenger
  • Collect 30 - +3 spins for Champion, +2 for Challenger
  • Collect 45 - Champion become 2x Wilds, Challenger turns Wild
  • Collect 60+ - Up to 3 extra spins for both
  • Collect 100+ - Massive win equal to bet x symbols collected!

I loved watching the meters fill up and bonuses activate with each monster that landed. It really makes you root for both the Champion and Challenger!

This battle feature is where the biggest wins lie. I hit over 500x my bet a few times, just from those collected monster symbols turning wild and activating multipliers.

The Versus Battle brings Nightmares VS GigaBlox to life. It takes a fun horror theme and incorporates engaging gameplay mechanics for an overall treat of a bonus round!

Bonus Buy

For players wanting instant access to the Versus Battle, the Bonus Buy feature allows you to purchase the bonus round. At a cost of 80x your stake, this let me jump straight into the free spins and monster showdown. Bonus Buy is disabled for certain regions.

Win Potential

With medium-high volatility, Nightmares VS GigaBlox provides a healthy balance of risk and reward. While not an explosive wins slot, the payout potential remains solid. Here's an overview:

  • Base game wins up to 50x through stacked wild symbols
  • Maximum win caps out at 7,353x your stake
  • Most big wins come from the Versus Battle's special features
  • Meters filling up in the bonus can lead to 1000x+ wins

My highest base game hit was around 80x, while my biggest overall win clocked in at over 500x from a maxed out Versus Battle round!

This slot distributes payouts fairly evenly - I always managed to hit small and mid-sized wins even during dry spells. Thanks to frequent hits, my balance never drained quickly. Of course, bonus rounds is where the major rewards hide!


Established in 2013, Yggdrasil Gaming has rapidly emerged as a leading game software provider, delivering an impressive assortment of superior slots and casino games. Their products stand out due to a remarkable blend of innovative gameplay, captivating stories, and strong mathematical foundations, providing an extraordinary gaming experience.

Their skilled team includes experts from various fields such as mathematics, graphic design, animation, software engineering, and quality assurance. Supported by reputable investors, Yggdrasil Gaming is on a fast track of growth, consistently expanding their notable collection of games.

Yggdrasil Gaming holds licenses from respected authorities including the UK Gambling Commission, Malta Gaming Authority, and the Gibraltar Regulatory Authority. With a worldwide presence in locations like Malta, Gibraltar, and Poland, Yggdrasil serves a diverse international customer base.

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Nightmares VS GigaBlox delivers compelling slots gameplay housed within a polished horror theme. Big wins feel attainable through the medium-high volatility math model and diverse bonus features. Slot fans looking for a spooky experience should absolutely give this game a spin.

While the features may feel slightly familiar, Nightmares VS GigaBlox executes them masterfully to craft an entertaining journey. The Versus Battle's symbol collection dynamic and surprise rewards kept gameplay exciting through multiple sessions. Plus, the slot looks and sounds amazing across desktop and mobile.

For horror buffs, slot enthusiasts, and certainly anyone looking for a fun medium-volatility game, I wholeheartedly recommend Nightmares VS GigaBlox. Just prepare for a thrillingly chilling ride!

Frequently Asked Questions