Tempered Steel

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Rules and Gameplay

Tempered Steel by Bulletproof Games is an engaging online slot that offers a unique theme set in a blacksmith’s forge. The game features a classic 5×3 reel layout with 20 paylines, where all paylines pay from left to right. Players can enjoy a high-volatility gaming experience with a chance to win up to 10,028 times their bet. The betting range is quite flexible, starting from $0.20 to $100 per spin, catering to both casual players and high rollers. The theoretical RTP stands at 96%, promising a fair balance between risk and reward.

Bonus Features

Tempered Steel is rich with bonus features that enhance the gameplay and offer players numerous chances to win big. Here are some of the key features:

  • Blacksmith Wilds: Act as substitutes for any of the pay symbols to help form winning combinations.
  • Scatters: Trigger free spins for more chances to win.
  • Quenching Features: Includes three random bonus features:
    • Lock and Spin: Allows stacks of Wilds to land and lock in place, awarding a free respin.
    • Bonus Frenzy: Adds extra Scatter symbols to the reels to improve the chances of triggering the Free Spins feature.
    • Forge Your Weapon: Reveals a weapon and adds many of those symbols to the reels.
  • Free Spins: Activated by landing 3 or more Scatters, with a dynamic number of active forges adding Wilds to the reels.
  • Buy Feature: Allows players to instantly trigger the Free Spins feature at the cost of 100x their bet.


The symbols in Tempered Steel follow the game’s unique color palette and thematic design, divided into low and high pays:

  • Low Pay Symbols: Forged card suits that can pay up to 5x the bet for a combination of 5 symbols.
  • High Pay Symbols: Include swords, daggers, hammers, and axes, with axes being the top-paying symbols offering a 40x payout for five-of-a-kind.


Here is a brief overview of the payout structure:

Symbol 5x Combination Payout
Axes 40x
Swords/Daggers/Hammers Varies
Card Suits Up to 5x


Tempered Steel offers 20 paylines that pay from left to right, providing players with multiple opportunities to form winning combinations on each spin. The game’s layout and payline structure are designed to maximize engagement and winning potential, making every spin a thrilling experience.

Pros & Cons

Pros Cons
Unique blacksmith theme with an engaging atmosphere High volatility may not suit all players
High-quality visuals and immersive soundtrack Theme might not appeal to everyone
Rich in bonus features, including free spins and Quenching features Max win potential could be higher compared to some other slots

Minimum and Maximum Bet

The betting range in Tempered Steel is designed to accommodate a wide variety of players, from beginners to high rollers. The minimum bet starts at $0.20, making it accessible for players with a limited bankroll. On the other end, the maximum bet can go up to $100 per spin, providing an opportunity for those looking to make larger wagers in hopes of hitting the big wins. This range ensures that the game can be enjoyed by everyone, regardless of their betting preferences.

Game Jackpot

Tempered Steel offers a jackpot of 10,028 times the player’s bet, showcasing the game’s high volatility. This potential for big wins is complemented by the game’s RTP (Return to Player) rate of 96%, which is average for online slots, ensuring a fair balance between the chance of winning and the risk involved. The high variance means that wins may not come as frequently, but when they do, they have the potential to be significantly larger, making Tempered Steel an exciting choice for players seeking thrilling gameplay with substantial win possibilities.

About Provider

Bulletproof Games, the developer of Tempered Steel has established itself as a fresh and innovative studio in the online gaming industry. Despite having only a small repertoire at the time of this game’s release, Bulletproof Games has demonstrated a commitment to quality and originality. Collaborating with Yggdrasil for the distribution of Tempered Steel underlines their capability to produce engaging content with unique themes and high production values. Their focus on creating a memorable gaming experience is evident in the detailed design, engaging features, and the strategic partnership with Yggdrasil, enhancing their standing in the competitive online slot market.

How To Play

  • Select your bet size by adjusting the bet value, starting from $0.20 to $100 per spin.
  • Press the spin button to start the game. The reels will spin and eventually stop to reveal the symbols.
  • Winning combinations are formed when matching symbols land on one of the 20 paylines from left to right.
  • Look out for special symbols like Blacksmith Wilds and Scatters to unlock bonus features and enhance your winning potential.
  • Trigger the Quenching features at random during gameplay for additional bonuses such as Lock and Spin, Bonus Frenzy, or Forge Your Weapon.
  • Land three or more Scatter symbols to activate the Free Spins feature, offering a dynamic gameplay experience with added Wilds.
  • Utilize the Buy Feature option if available, to instantly enter the Free Spins round at the cost of 100x your bet.


Tempered Steel is a standout slot game from Bulletproof Games, offering a unique theme, engaging gameplay, and a variety of bonus features that cater to a wide range of players. Its high-quality visuals, immersive soundtrack, and innovative features like the Quenching features and Free Spins make it a must-play title. Despite its high volatility and niche theme, the game’s flexible betting range and the potential for significant wins make it appealing. Whether you’re a fan of the blacksmith theme or just looking for a slot with rich gameplay, Tempered Steel promises an exciting and rewarding experience.