Big Joker, developed by Ct Gaming, focuses on Expanding Symbols, Wilds, Scatter symbols, and a Gamble feature. The game is presented on a grid-based layout with a blue joker-themed palette and red and yellow accents, delivering a restrained visual language. The core mechanics emphasize symbol expansion and wild substitution, while scatter-triggered interactions can influence feature access and potential outcomes. Sound design and user interface are restrained, aiming for clarity in reel activity and payoff signals.

Additionally, Wild symbols can substitute for regular symbols, broadening win-building possibilities. Scatter symbols frequently interact with bonus features, triggering free spins or other enhancements in many slot designs; in this description, the exact structure of those features is not disclosed here. RTP refers to the expected long-term payback, a statistical measure used to describe overall return across many plays.

From a numeric perspective, the minimum bet is USD 0.05 and the maximum is USD 5; the top win is x1; volatility is Med; the layout is 5-3 with five paylines; the RTP is 95%.