Giro Games 
Setting 1 to 6: The Japanese Slot Machine With a Dial Inside
Every pachislot cabinet in Japan contains a physical setting from 1 to 6 that the hall chooses each morning. The same machine can be…
slot machine design - Giro Games
€12.50 an Hour: Belgium Regulates the Speed of Losing
Belgian café gaming machines are governed by a metric almost no other country uses: the average hourly loss. Two machines per bar, €12.50 per…
The Physics Institute That Approves Slot Machines: Germany’s PTB Pipeline
In Germany, cash gaming machines are type-approved by the Physikalisch-Technische Bundesanstalt — the same national institute that keeps the country’s atomic clocks. Here is…
Rainbow Means Jackpot: The Color Grammar of Japanese Machines
Japanese pachinko and pachislot machines speak to players in a strict color code — white, blue, yellow, green, red, gold, rainbow. It is the…
Slot Machine Themes: The Complete Guide (From a Studio That Builds Them)
Slot machine themes are the first thing a player sees and the last thing they remember. Before anyone checks RTP or volatility, they pick…
How an original slot game is made: from GDD to release
How a slot game is made at Giro Games: GDD, math and simulation, art and animation, development and post-launch updates.
Midas Golden Era: behind our flagship mythology slot
Behind Midas Golden Era — the flagship mythology slot by Giro Games: golden-touch mechanics, 96.05% RTP and 25,000× max win.