Sub Symbols are special symbols that appear during a feature and substitute for other symbols to help form winning combos, often transforming into higher-paying symbols.
The overall RTP is fixed for the game, but Sub Symbols can increase win potential during the feature, effectively boosting expected value during those spins.
Sub Symbols are usually active during the feature rounds; some games also allow them to appear during base spins if the feature is triggered.
Yes, they can unlock larger pays, additional multipliers, or trigger bonus rounds, depending on the game’s design.
Not always; Sub Symbols cover a broader idea of replacing symbols, while Wilds are a common type of Sub Symbol that can also pay on their own.
Trigger frequency varies by game and feature; the odds are shown in the game’s paytable or feature description.
Yes, you can play in demo mode to see how Sub Symbols work without risking real money.
They typically do not change the paylines or grid; they influence symbol matches within the current layout during the feature.