Sofia Okonkwo

About Sofia

Sofia Okonkwo worked as a product analyst at a UKGC-licensed casino operator for four years before moving to independent slot coverage. She focuses on bonus round mechanics, expanding-symbol math and trigger probability across Play'n GO's Rich Wilde series. Sofia tests every slot across both mobile and desktop builds and is based in Manchester.

Areas of expertise

• Bonus round design
• Free spins probability
• Expanding symbol math
• Mobile slot testing

Articles by Sofia

• Free Spins: Trigger, Retrigger & Win Big
• Expanding Symbol Explained
• Scatter & Wild Symbol Mechanics
• Free Spins Retrigger: +10 Spins
• Gamble Feature: Double or Nothing
• Best Expanding Symbol Ranked
• Full Symbols & Paytable
• Mobile Play Guide
• Demo Mode Without Registration
• Casinos with Free Spins