Findings:

• improv comedy
• I've seen what you call a museum, and it hasn't improved in 10 years
• New and Improved
• Improv (user)
• Improved Order of Red Men
• Contact Improv
• The Five Elements of Improv
• Improv Camp
• New and Improved (user)
• Stroudley's Improved Engine Green
• Improv drumming
• Significantly Improved Learning and Teaching
• Grandma's brain exploded; thereafter, things improved
• gameplay
• Improved Touring
• Lotus Improv
• Short form improv
• Long Form Improv
• The Canadian Improv Games
• Phantom boyfriend
• How to be an improv musician
• guerrilla improv
• New And Improved Illustrated Bartender's Manual or How to Mix Drinks of the Present Style
• improv poetry
• KH-12 Improved CRYSTAL
• improv
• fake gameplay growth

If you Log in you could create a "improved gameplay" node. If you don't already have an account, you can register here.