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Big Heist (3 Oaks Gaming (Booongo)) – Review & Demo Play
Best Big Heist Casinos
Big Heist from 3 Oaks Gaming (Booongo) play free demo version ▶ Casino Slot Review Big Heist ✔ Return (RTP) of online slots on January 2026 and play for real money✔
Free slot machine Big Heist - detailed review
Launched on 8 September 2022, Big Heist landed with interesting mechanics and eye-catching visuals. The slot posts a good RTP of 95.54%, high volatility, and a maximum win potential of x3170. Thanks to a balanced mathematical model, this release will appeal to demanding online club players and stick in the memory. I first tried the free demo without registration, then moved over to cash play once I got a feel for its flow, the money symbol, and the way the base game builds toward Collect features.
Characteristics of Big Heist
Big Heist slot machine is a classic style release on a 5x3 layout with 10 paylines. The five reels feature the bank building, the manager, the guard with his faithful dog, and vaults full of gold. The cartoon-style graphics blend with a fun atmosphere, while the jingling soundtrack sets an adventure mood. In my view it stands among the better 3 Oaks video slots for pure aesthetics. The subject is robbery, delivered with a light touch that keeps spins lively rather than heavy.
Volatility is high and the RTP sits around 95.5, which matches the stated 95.54% on some builds. The betting range runs from 0.1 to 30 in your chosen currency, so session planning is straightforward. Despite the average RTP, it does not detract from the fun of the game. The maths keeps the base interesting, with stretches that can test patience, then spurts where Collect actions lift the balance. That rhythm fits a high variance profile and suits a stick-with-it approach.
How to play Big Heist for real money with withdrawal
Big Heist offers a standard 5 reel, 3 line, 10 payline layout, and the controls are clean. Open the menu in the top right to read the rules, then set your stake using the plus and minus buttons or the coin icon. The large round button starts the reels. Autostart can automate spins, though there is no option to set a specific number of spins or win or loss limits. The round will continue until you stop Autospin manually.
Big Heist Bonus Game
The mechanics here centre on the Collect and Super Collect elements tied to the money symbol. That symbol appears on all reels, with each item assigned a random value. In some states the money symbol can also act as a wild, with a maximum payout of x20 for five. If you have used 3 Oaks software before, the flow will feel familiar. I had no trouble spotting when the screen set up favoured a Collect swing.
If the Collect feature lands during the main round, one of the robbers gathers all money symbols and adds their values to your bank. Super Collect performs the same task but can attract more symbols onto the screen. During free spins, both features appear on a progress bar at the top of the grid. The more it fills, the bigger the prize. Free spins come from the money scatter, and in my sessions it awarded up to 15 spins on a decent run.
Big Heist Symbols and Paytable
Premium symbols can deliver strong hits, with the top icon paying up to x200 for five of a kind and offering x25 for four and x5 for three. The next tier follows with payouts up to x150 for five, x20 for four, and x4 for three, and in some cases pays from two with x0.5. Another premium sits at x100 for five and x15 for four. A further step lands x50 for five and x10 for four, with x2 for three.
The special Collect symbol has its own line pays, giving x1 for three, x5 for four, and up to x20 for five. The money symbol can also function as a wild in certain spots, carrying that x20 top when lined up. Lower tier icons come in sets that top at x10 for five of a kind, with x2.5 for four and x0.5 for three. You will see this low set repeat across several symbols, which keeps the grid readable.
A scatter is present and ties to free spins, so the paytable covers both line wins and feature confirms. The setup uses a standard 5x3 grid with 10 fixed paylines, which keeps hit assessment simple for quick checks during sessions. I found the combination of premium steps and repeated low tiers made bankroll tracking easier. When Collect or Super Collect rolled over a screen with stacked money values, those paytable notes helped me size the swing and judge whether to press on.
Big Heist Symbols and Paytable
| Symbol | Quantity | Payout |
|---|---|---|
|
| 5 | x200 |
| 4 | x25 | |
| 3 | x5 | |
| 2 | x1 | |
|
| 5 | x150 |
| 4 | x20 | |
| 3 | x4 | |
| 2 | x0.5 | |
|
| 5 | x100 |
| 4 | x15 | |
| 3 | x3 | |
|
| 5 | x50 |
| 4 | x10 | |
| 3 | x2 | |
|
| Collect, Special | |
| 5 | x20 | |
| 4 | x5 | |
| 3 | x1 | |
|
| 5 | x10 |
| 4 | x2.5 | |
| 3 | x0.5 | |
|
| 5 | x10 |
| 4 | x2.5 | |
| 3 | x0.5 | |
|
| 5 | x10 |
| 4 | x2.5 | |
| 3 | x0.5 | |
|
| 5 | x10 |
| 4 | x2.5 | |
| 3 | x0.5 | |
|
| 5 | x10 |
| 4 | x2.5 | |
| 3 | x0.5 | |
|
|
Scatter | |
Download Big Heist to your phone
Since 2015, 3 Oaks has been busy building quality casino content, and Big Heist fits that line. You can spin on iOS, Android, and Windows Phone without friction thanks to HTML5. I played across mobile and desktop with the same features and pacing. The interface scales well, buttons stay clear, and the reels hold frame rate on modest devices. It is easy to jump into the free demo on mobile, then switch to real money once the stake suits.
Gallery of video and screenshots of the game
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Mark Rylance
Editor in Chief and Developer – AllSlotsOnline.Casino
Gambling is one of my main passions in life and I strive to help players find the best place to relax and get excited about gaming.
Last updated 16.01.2026 by Mark Rylance