Free slot demo · player guide
Tempered Steel
Tempered Steel is a 5 x 3, 20 line game with high volatility and has a Free Spins bonus as well as 3 base game reel bonuses. The Free Spins bonus features unlimited free spins and stacked climbing wilds that can allow for huge wins!.
18+ · free play · no account or deposit
Game details checked 19 Aug 2026How we check games
60-second guide
What matters at a glance
Free play
Play Tempered Steel here
Open the game below to check its pace, controls and features. Free play stays on SlotsCollector.
No sign-up · no deposit · full screen available
Game overview
What is Tempered Steel?
Tempered Steel is a 5 x 3, 20 line game with high volatility and has a Free Spins bonus as well as 3 base game reel bonuses. The Free Spins bonus features unlimited free spins and stacked climbing wilds that can allow for huge wins!. The game also has 3 reel bonuses that give the player chances to initiate big wins and the free spins bonus!. A Buy a Bonus (territory permitting) is also available in the game.
How it plays
How the game is set up
Tempered Steel is listed as a Slot from Bulletproof.
Details in progress
More gameplay details are being checked
Use the available facts and free demo on this page while we confirm the remaining mechanics.
Before you play
Does Tempered Steel match what you want?
Judge the format and features first. Theme alone tells you very little about how a game feels.
What this game offers
- Slot format from Bulletproof
- High volatility
What to check first
- RTP has not been confirmed for this page yet.
- Casino stake limits and feature settings may differ from the free-play version.
- Free play shows the mechanics, but it cannot predict a future result.
Quick answers
Tempered Steel FAQ
Clear answers based on the game information and demo status available today.
Can I play Tempered Steel for free?
Yes. Select “Play free demo” to open Tempered Steel on this page without an account or deposit.
What type of game is Tempered Steel?
Tempered Steel is listed as a Slot from Bulletproof. The confirmed features are listed above.
What is the RTP of Tempered Steel?
We have not confirmed a reliable RTP value for Tempered Steel. Check the in-game information screen before playing for money.
Can I play for real money here?
No. SlotsCollector provides game information and free demos only; it does not accept bets or deposits.
Game facts
Tempered Steel numbers and features
These are the details currently confirmed for this game. Check the in-game information before using real money.
Payouts & risk
- Volatility
- High
- Maximum win
- €1,002,800
Reels & wins
- Paylines
- 20
Release & devices
- Release date
- 23 Jun 2022
More to play
More games from Bulletproof
Check real-money availability
This game may be available to play for real money at our partner sites. Availability varies by location.
Advertiser disclosure