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Feature · mechanics

Slots with substitute symbols

3 games in the pool · feature tag Feature: Substitution Symbols · newest first

Substitute symbols is a mechanic found in 3 of the pool's 54 reviewed games. All For One Studios and WMS use it most, and in total 3 providers are represented.

The feature is listed in the game's rulebook under the tag "Feature: Substitution Symbols. How it behaves in practice — how often it triggers and what it gives — varies between games, so compare RTP and max win on each game page.

Games in the selection3out of 54 in the pool
Providers3represented
RTP span94,0–96,4 %3 of 3 games
Highest max win5 000×Aztec Inferno: Gold Eruption
Newest in the selection07/2025newest first in the list

How games are selected

The criterion, the order and the edge cases

The criterion

The feature list in the game's own rulebook must include "Feature: Substitution Symbols. Marketing copy on the casino's game page does not count.

What does not determine

How good the feature is. This page collects games that have the mechanic, not games that use it well — that assessment is in each game's review.

The order

Newest first by release date. Games without a published date end up last.

Honesty note: 3 of 54 games in the pool have the tag Feature: Substitution Symbols. The tag indicates that the feature exists — not how often it triggers or what it's worth. We make that assessment per game, on the game page.

All 3 games with the feature

Newest first

The entire pool
Aztec Inferno: Gold Eruption Aztec Inferno: Gold Eruption All For One Studios RTP 96,0 % · Max 5 000× Frozen Inferno Frozen Inferno WMS RTP 96,4 % · Max not specified Kane's Inferno Kane's Inferno Habanero RTP 94,0 % · Max not specified
Play slots with substitute symbols The selected games are available at our partner casino, in demo mode or for real money. The buttons are advertisement links.
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Features that often come with

Mechanics that recur in the same game

All collections All slots Top casinos

Guides & news

From the editorial team — directly

The whole blog
Guide Volcanic eruption with fireworks over the crater How to choose the right inferno-slot: RTP, volatility and max win explained Three numbers go a long way — if you know where to look and what they actually mean. Elin SandgrenElin Sandgren Test Desk with phone and lava lamp Mobile slots: how we test every game before it gets into the guide Load time, buttons, autospin — our seven-point checklist for mobile games. Elin SandgrenElin Sandgren Casino Stack of shiny chips Quick withdrawals: what separates a good casino from a slow one What operators actually publish about withdrawal times — and what the silence means. Rasmus HjortbergRasmus Hjortberg

Frequently asked questions

About the Substitute Symbols feature

What do replacement symbols mean in practice?
That the game’s rules sheet lists the mechanic. Exactly how it’s triggered and what it awards is stated in the rules on each game page — it varies between providers.
Can a game have multiple features at the same time?
Yes, and most do. The pool's games carry on average several feature tags, so the same title appears in multiple selections.
Does the feature increase the chance of winning?
No, not in itself. RTP and volatility describe the outcome over time; the feature describes how the game feels on the way there. Both numbers are shown on the game page.
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