Colossal Gems

by Habanero
Rate this Game
Game features
August 2019
Bet Size
€0.30 - 6000
Max Win
Colossal Symbols, Free Spins, Jackpot, Respin, Wild
3D, Jewels, Space

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Bonus offers

Pros and cons
  • High RTP between 96.72% and 97.88%
  • Enormous betting range up to $6,000
  • Bigger grid size with 6x5 layout
  • Progressive jackpot offers massive wins
  • A lower count of 30 paylines
  • No ability to adjust the number of active lines

Colossal Gems Slot Review

Colossal Gems is a captivating slot machine developed by Habanero, launched in August 2019. The game’s design brilliantly captures the essence of outer space, showcasing gemstones that sparkle against a backdrop of distant planets and stars, setting the stage for an interstellar gem-hunting adventure. Habanero is celebrated for creating games with eye-catching visuals and compelling user experience, as demonstrated by the player reviews which often highlight the immersion factor.

With its crisp graphics and gleaming animations, Colossal Gems creates a futuristic atmosphere that’s both captivating and alluring. The gemstone symbols are meticulously detailed, bringing the game’s theme to life. As players engage with the slot, they are treated to additional animations that reinforce the thrill of hunting for precious stones in the cosmos.

The quality of the sound design in Colossal Gems supports the overall experience, with a harmonious blend of space-themed music and effects. These audio elements provide a rich layer of immersion, reinforcing the space adventure narrative of the game.

For lovers of the intergalactic gem theme, Cosmic Jewels by High 5 Games stands out, offering a vast expanse of ways to win, scatter bucks, and substantial free spin bonuses. Similarly, NetEnt’s Starburst is an iconic video slot that delivers top-tier entertainment with its expanding wilds and vibrant play. Both slots tap into the cosmic gemstone theme, providing a visually spectacular and rewarding user experience.

This online slot is designed for a wide audience, providing seamless gameplay across multiple platforms, including mobile apps for smartphones and tablets. The low volatility of Colossal Gems is ideal for players who aim to stretch their bankroll while enjoying a steady frequency of wins.

How to Play Colossal Gems

The Colossal Gems casino game presents a non-standard but user-friendly game structure. It features six reels and five rows, creating an expansive grid where a variety of gemstones can land to form winning combinations. Payouts are achieved when symbols align from the leftmost reel, providing 30 potential ways to win.

The integration of the game’s UI and controls is intuitive, crafted with the player in mind. The interface combines the vibrant colors and gem themes with clear, accessible controls, allowing for an uncomplicated gaming experience.

Key controls include:

  • Coin Value: Select the denomination for wagering;
  • Bet Size: Adjust the total stake for each manual spin;
  • Spin: Commence gameplay with the chosen bet;
  • Autoplay: Set the reels to spin automatically for a selected number of rounds;
  • Slot Information: Access the game rules and paytable;
  • Mute: Toggle sound on or off.

Unique to this online slot is an autoplay function that enables a series of automatic spins, potentially streamlining the gameplay experience for those who prefer not to use the manual spin option. This can be an advantageous feature for players wishing to maintain a particular bet level over several spins.

The slot offers an extensive betting range, with a minimum wager of $0.30 and a maximum bet reaching up to $6,000 per spin, catering to a diverse spectrum of betting preferences. The max win potential, coupled with an RTP ranging from 96.72% to 97.88%, makes Colossal Gems an attractive choice for players looking to maximize their RTP over time. The game’s volatility is low, promising more frequent but smaller wins, ideal for players who enjoy extended play sessions without large fluctuations in their bankroll.

Game Rules

Colossal Gems Symbols

In the realm of this online slot, players encounter a spectrum of gemstone symbols that echo the game’s title and a cosmic theme. These symbols are not only visually pleasing with their bright hues and shimmering surfaces but are also key to unlocking winning combinations and enhancing the overall gameplay experience. The innovation in the design and function of these symbols is noticeable when compared to traditional slots, as they embody both a modern aesthetic and unique game mechanics within the trend of gem-themed slots.

Symbol Payout Table:

Symbol 3 in Line 4 in Line 5 in Line 6 in Line
Diamond 0.833x 1.33x 20x 60x
Hexagon 0.33x 0.833x 13.33x 30x
Square 0.167x 0.5x 6.67x 13.33x
Circle 0.167x 0.33x 3.33x 10x
Pentagon 0.1x 0.167x 1.67x 6x
Triangle 0.1x 0.167x 0.33x 1.67x

Special Symbols

Special symbols in Colossal Gems have a distinct function, as they enhance gameplay by serving as the game-changers on the reels. Although minimalistic in approach, the presence of a singular special symbol in this game simplifies the gaming dynamics, maintaining focus on the main attraction: colossal symbol feature.

  • Wild Symbol: The Wild, depicted as a 3D Purple Diamond, is unique to the Free Games and magnifies players’ chance of striking winning combinations. Its ability to substitute for all other symbols adds an exciting dimension to the Colossal Gems free play. The Wild emerges exclusively during the Free Spins bonus rounds, marking its significance in potentially boosting payouts.

Colossal Gems Features

Colossal Gems features several engaging bonus features that serve to enhance the player’s experience and elevate the potential for significant wins. The ingenuity behind these bonus modes makes this video slot stand out among many others in the Habanero lineup.


After each winning spin, a Respin Feature is automatically triggered, presenting an opportunity for an expanded win with larger symbols. With each consecutive win, colossal symbols grow incrementally—from a 2×2 to a 3×3 to a 4×4 size—underscoring the potential for a lucrative hit.

Free Games

Successfully achieving three consecutive wins through the respins triggers the Free Games feature. Players are rewarded with 6 free spins, during which the inclusion of the wild symbol enhances the possibility of striking winning combinations. The Free Games feature is an added attraction, providing a chance for players to witness the game’s colossal symbols in action without dipping into their bankroll.


The progressive jackpot is another standout aspect of Colossal Gems. Contributing a portion of each bet to the jackpot pool, this feature offers the anticipation of a significant payout, which can be triggered randomly during the gameplay. The exact amount and trigger conditions for the jackpot create a heightened level of excitement, making every spin a potentially life-changing moment.

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