Win2Day Bonus
Why RTP Is Calculated Before the First Symbol
A client wanted 96.5% RTP and high volatility. Without simulation, that combination would have been costly — here's how the PAR sheet saved the budget.
Game articles
Development insights, math notes, and launch stories from our Helsinki studio.
PixiJS vs. Raw Canvas — What We Chose for Wild Quest
Particles and symbol animations initially used too much CPU. PixiJS's sprite atlas solved the problem, but not without trade-offs in load time.
A Mobile Slot That Doesn't Freeze Mid-Spin
The Samsung Galaxy A series is still our most common test device. Three bugs that only appeared on weaker GPUs — and how we fixed them.
GLI Documentation: What an Audit Actually Requires
RNG log, paytable version history, and bonus logic pseudocode. A list of things we don't send on the first submission — and why that causes delays.
Free Spin Rhythm — Why the Bonus Feels Too Rare
A scatter probability of 1:180 felt right on paper, but in playtesting players gave up before hitting the first bonus. We adjusted the volatility profile.
Aggregator Integration in a Week: A Realistic Timeline
"One-week integration" sounds great in a sales pitch. We explain honestly what needs to be ready upfront — and when a week actually works.
