Remember the epic Java Puzzlers? Here’s the Groovy version, and we have some neat ones! Even though JFrog is totally a Grails shop, some of these had us scratching our heads for days trying to figure them out. And there is more! Contributions from the truly Groovy sense is, including Guillaume Laforge, Andres Almiray, Tim Yates, Ken Kousen make this talk an unforgettable journey to Groovy’s O_O. In this talk you’ll have the expected dose of fun and enlightenment hearing about our mistakes and failures, great and small, in hard core Groovy/Grails development.