Free slot demo · player guide
Boomerang Jack’s Lost Mines
Boomerang Jack's Lost Mines The Greatest Adventure! Travel to the incredible Kalgoorlie Mine in Australia and discover the 3 secret mines in this exciting 5x3 reel slot game.
18+ · free play · no account or deposit
Game details checked 21 Aug 2026How we check games
60-second guide
What matters at a glance
Free play
Play Boomerang Jack’s Lost Mines 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
Look for
Features worth trying
- Free Spins Feature
Randomly launch the various features with the green, red and blue gem symbols.
- Gem Coins
The green gems increase the value of the direct-win coins and award an additional free spin. The gold coins reward you with a direct win.
- Diamond Wins
The chests may contain extra spins, direct wins, or diamonds that award the “Mini, Minor, Major and Grand” wins.
Game overview
What is Boomerang Jack’s Lost Mines?
Boomerang Jack's Lost Mines The Greatest Adventure! Travel to the incredible Kalgoorlie Mine in Australia and discover the 3 secret mines in this exciting 5x3 reel slot game. Reveal the secret of the 3 gems and combine the 3 different free-spins features: “Gem Coins”, “Diamond Wins” and “Reel Expand”. 5x3 reels and 25 payline slot machine. Play with 5x5 reels and 50 paylines with the “Reel Expand” feature. Earn extra spins and direct wins with the “Gem Coins” feature. Obtain extra spins, direct wins and up to 4 different wins in the “Diamond Wins” feature. “Mini, Minor, Major and Grand” prizes. Opportunity to combine different features.
How it plays
The features that shape the game
Boomerang Jack’s Lost Mines is listed as a Video Slot from Red Rake Gaming.
Free Spins Feature
Randomly launch the various features with the green, red and blue gem symbols.
Gem Coins
The green gems increase the value of the direct-win coins and award an additional free spin. The gold coins reward you with a direct win.
Diamond Wins
The chests may contain extra spins, direct wins, or diamonds that award the “Mini, Minor, Major and Grand” wins.
Diamond Wins
Accumulate diamonds to earn the various wins from the panels.
Reel Expand
The slot game changes to offer 5x5 reels and 50 paylines.
Combined Features
The different free-spins features can be combined. If 2, or even 3 are launched randomly at the same time, you will enter a feature that combines all their respective features.
Before you play
Does Boomerang Jack’s Lost Mines 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
- Video Slot format from Red Rake Gaming
- High volatility
- Free Spins Feature
- Gem Coins
- Diamond Wins
What to check first
- This page lists RTP at 95.3%; confirm it in the version you open.
- 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
Boomerang Jack’s Lost Mines FAQ
Clear answers based on the game information and demo status available today.
Can I play Boomerang Jack’s Lost Mines for free?
Yes. Select “Play free demo” to open Boomerang Jack’s Lost Mines on this page without an account or deposit.
What type of game is Boomerang Jack’s Lost Mines?
Boomerang Jack’s Lost Mines is listed as a Video Slot from Red Rake Gaming. The confirmed features are listed above.
What is the RTP of Boomerang Jack’s Lost Mines?
The RTP shown for Boomerang Jack’s Lost Mines is 95.3%. A casino may offer a different configuration, so confirm the value in the in-game information screen.
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
Boomerang Jack’s Lost Mines numbers and features
These are the details currently confirmed for this game. Check the in-game information before using real money.
Payouts & risk
- RTP
- 95.3%
- Volatility
- High
- Hit rate
- 28.4%
- Maximum win
- 4836.8×
Reels & wins
- Paylines
- 25
Bonus features
- Features
- Free Spins Feature, Gem Coins, Diamond Wins, Diamond Wins, Reel E×pand, Combined Features
- Free spins
- Yes
Release & devices
- Release date
- 22 Dec 2022
- Theme
- Ancient Civilizations
More to play
More games from Red Rake Gaming
Check real-money availability
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