Tome of Madness
Play Tome of Madness at Slots UK
Game Overview
Tome of Madness by Play'n GO is an online slot that takes place on a 5x5 cascading grid. Symbols fall from above to form winning clusters. A win occurs when four or more matching symbols are horizontally or vertically connected. Winning symbols disappear, making way for new ones to drop in and potentially create consecutive wins. Cascading continues until no further winning combinations can be made.
How to Play
- Selecting Your Bet: Players can choose their stake using the bet buttons or by adjusting values with the plus and minus buttons at the bottom of the screen. The minimum bet is £0.10, and the maximum bet is £5.00. Bets can be adjusted before starting a round and cannot be changed during an ongoing round.
- Starting a Game Round: Pressing the START button begins the round with the selected bet. The symbols that land will determine winnings according to the paytable.
- Paytable Access: The paytable can be toggled to view symbol values and feature details.
- Auto Adjust Bet: If the selected bet exceeds the available balance, the bet is automatically reduced to the next available level. The bet only decreases in this way and does not automatically revert to a previous, higher amount after a win.
Winning Clusters and Payouts
Wins are awarded for clusters of adjacent symbols in accordance with the paytable. Multiple clusters in a single round will have their payouts combined and added to the balance at the end of the round. All winning combinations must be formed by symbols connected horizontally or vertically, with no gaps between them. Winning combinations can start from any location on the grid, and only the highest win per symbol combination is paid.
Special Features and Bonus Rounds
- Eye Marks: Eye Marks appear in random grid positions. Opening an eye requires a win at the Eye Mark’s location. After no additional wins are possible, 2 Special Wilds are added to the grid.
- Portal Charge Effects: Winning symbols charge the Portal:
- After 7 and 14 symbols are won on, 2 Special Wilds are added each time. If a win occurs with a Special Wild, the Abyss Portal Effect is triggered.
- After 27 symbols are won on, 2 Special Wilds are added. If a win occurs with a Special Wild, the Void Portal Effect is triggered.
- If subsequent charge effects are earned before earlier ones can be triggered, only the most recent effect is awarded.
- Abyss Effect: Removes a row or column from the grid, starting from the Special Wild that triggered the effect. Removed symbols continue to charge the Portal. If another Special Wild is removed, the removal process begins again from that symbol.
- Void Effect: At random, selects a symbol type and removes all matching symbols from the grid.
Other World Free Round
This feature is activated after 42 winning symbols are collected. Players receive one free round with three random Portal Effects. For every three additional winning symbols above 42, an extra Portal Effect is awarded, up to a maximum of seven effects in total. During this round, Portal Effects trigger when no new wins are made.
Portal Effects during the free round include:
- 4 Special Wilds added to the grid.
- 4 Special Wilds added, with any win involving them triggering the Abyss Effect.
- 4 Special Wilds added, with any win involving them triggering the Void Effect.
During the Other World Free Round, 11 or 12 Eye Marks are visible. Wins on Eye Mark positions open the eyes. If all eyes are opened, the Mega Wild Cthulhu symbol is introduced to the grid. This symbol descends with each cascade and is removed after reaching the bottom or when no more wins occur. Cascades continue until no further wins are made.
Game Information
- Reels: 5
- Minimum Bet: £0.10
- Maximum Bet: £5.00
- Provider: Play'n GO
- RTP: The return to player rate is displayed within the game.
Unfinished Game Policy
If a session is interrupted, all game information and bets are retained until the game is reopened, allowing the player to continue from where it stopped. Bets on incomplete games that remain undecided for 90 days will become void. Malfunction will void all pays and plays.
Tome of Madness Free Play & Demo Insights
It's common for players to search for a Tome of Madness demo or Tome of Madness free play option before playing the game with real money. Since no demo is available here, this page provides the essential information instead.
The overview highlights the most important elements of Tome of Madness, with insights drawn directly from the game itself. This makes it a practical alternative to demo play, offering a straightforward way to understand the game prior to playing.
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*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time. Game features mentioned may not be available in some jurisdictions.

