...
Typically, a GameDay would run between 2-4 hours, and involve a team of engineers who either develop an application, or support it, but ideally it involved members from both sides of an application. To help with your first GameDay, this is a general workflow of what a GameDay would look like, starting with activities leading up to the GameDay, and ending with a recap and reflection section afterwards.
Running Effective & Efficient GameDays
GameDay Guide & Workbook available at gremlin.com/gameday
Recommended Gremlin Scenarios for your infrastructure and applications at https://app.gremlin.com/scenarios/recommended
How to run a GameDay at https://www.gremlin.com/community/tutorials/how-to-run-a-gameday/
...