Basic Rules
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
is wild and substitutes for all symbols except
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
, and
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
.
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
appears on reels 1 and 5 only.
All line wins pay from left to right on adjacent reels starting from the leftmost reel.
Only the highest line win is paid on each active payline.
Scatter wins are paid in addition to line wins.
All wins are shown in credits.
The player is responsible for confirming credits registered before the game starts.
Mystery Replacement Feature Rules
The Base Game reel strips contain symbols that change into one of the following symbols at the start of each game:
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
, or
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
.
All changed symbol positions on all reels change into the same symbol.
Replicating Reels Feature Rules
There are 2 ways to award this feature:
Any 2
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
appearing onscreen awards the Replicating Reels Feature.
The feature may be awarded after any spin that does not result in 2
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
appearing onscreen.
Once triggered, the player is given 1 Replicating Reels Feature spin.
Different reels are used during the Replicating Reels Feature.
Once triggered, 2, 3, 4, or 5 reels will become Replicating Reels.
Every position on each Replicating Reel will transform into one of the following symbols at the start of the game:
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
, or
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
.
The Replicating Reels Feature reel strips contain symbols that change into one of the following symbols at the start of each game:
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
, or
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
.
All symbol positions on replicating reels and changed symbol positions will change into the same symbol.
Any reels that were not replicated will spin, stop, and the player will be awarded any resulting wins according to the paytable.
Credits bet and lines played are the same as the game that triggered the feature.
Free Games Feature Rules
On base game spin if the player gets
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
fully stacked 4 symbols high on 2 or more reels, the player is awarded 7 Free Games.
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
will only trigger Free Games when stacked on reel 2, 3, 4, or 5.
Prior to each spin during Free Games, every position on the reels that triggered the Free Games will become a Replicating Reel. Every position on each Replicating Reel will transform into one of the following symbols at the start of the game:
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
, or
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
.
The Free Game reel strips contain symbols that change into one of the following symbols at the start of each game:
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
,
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
, or
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
.
All symbol positions on replicating reels and changed symbol positions will change into the same symbol.
During Free Games, if the player gets
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
fully stacked 4 symbols high on a reel that is not shuttered, the reel becomes a replicating reel for the remainder of Free Games and the player is awarded 3 additional Free Games.
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
– In Free Games, the player can enter
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
Mode before any spin. While in
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
Mode, additional
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
are added to the reels to increase the chances of triggering additional Free Games and shuttering an additional reel.
[Image hidden to comply with UKGC regulations. Please log in and view the content in-game to see images.]
Mode ends once the player triggers additional Free Games or the Bonus ends.
When zero Free Games remain, there is a random chance that the player will be awarded 5 additional Free Games. Additional Free Games will be played with the same shuttered reels that the player had when the Free Games meter reached 0. The random additional Free Games can only happen once during a feature.
Credits bet and lines played are the same as the game that triggered the feature.
The Free Games end when the Free Games meter reaches 0 and no additional random Free Games are awarded.
Game Rules
Winnings per symbol are calculated for Bet amount of £2.00.
The RTP is shown in-game.
Paylines
The game has 40 paylines.
Maximum Potential Win Probability
The probability of the maximum potential win displayed in this game refers to the sum of winnings of the highest possible symbol values, across all possible win criteria – either as a single game round or collectively as part of a feature. This may, or may not, include additional winnings obtained through extra win multiplying possibilities within the game. Higher winnings are also possible at a lower probability.
Quick Start
Game starts by setting a selected Bet amount and by pressing the Spin button. The round ends when reels stop and there are no wins, or after the win presentation if there are wins.
Turbo Mode (Where Available)
Turbo Mode speeds up the reels spinning animation when enabled. This option does not influence the game round result but only visual presentation.
Game Menu
Game menu contains options and settings that control some of the game features:
- History – Displays previous rounds from the current session.
- Close Game – Closes the game client.
- Sound – Controls the Sound FX in the game (on/off).
- Music – Controls the Music in the game (on/off).
- Turbo Mode (where available) – Controls the Turbo Mode feature (on/off).
- Left Hand Mode (where available) – Controls the position of the UI on mobile devices.
- Vibrate (where available) – Controls vibration on mobile devices (on/off).
The game is paused while the menu is visible and can be closed by pressing the Close button or anywhere on the screen.
Bet Selection
Game starts with a default Bet amount set for the game. The player can change the Bet amount by either:
- Using Plus and Minus buttons next to the Bet amount.
- Pressing the Bet amount, where the Bet amount selector will open up.
The Bet amount cannot be changed during a game round and, if there is a win presentation happening, changing the Bet amount will reset the presentation.
Malfunction
A malfunction of the game voids all pays. In case the game round is interrupted, it can be restored by simply starting the game again. If it is not restored, the round is voided within the jurisdictional requirements or operator’s policy and their terms and conditions.
User Interface
Start a game round. You can also use the space bar (desktop only).
Change the Bet amount for the round to be played.
Enable/Disable Turbo Mode (where available).
Open menu.
Display/Hide game rules.
Turn the music/sound submenu.
Professor BigWin Demo Mode & Free Play Guide
When players explore a new slot, many look for a Professor BigWin demo mode or Professor BigWin free play feature to understand the basics. While no demo version is offered directly here, this page acts as a reliable alternative. We’ve gathered the key details from the slot itself so that you can gain the same insight you would from free play, but in a clear, easy-to-read format.
