Find out how much you know about advertising for fun and a prize worth $US450, in The Gunn Report’s Cannes Sweepstakes.

Adpeople are known to, er…have opinions. Here’s a chance to test yours. The Gunn Report that ranks creative excellence in advertising is inviting you to bet on your idea of creative excellence.

This year’s Gunn Report Cannes Lions 2015 Sweepstakes is asking you to predict the commercials that will win a Film Lion or Film Craft Lion at Cannes

About 200 Film and Film Craft Lions will be handed out from 5,000 entries. But The Gunn Report has stacked the odds in your favour. It has named 20 commercials from around the world that could win a Film or Film Craft Lion.

Aussies, this should stoke your competitive spirit:

To participate in The Gunn Report’s Cannes Sweepstakes 2015, view its 20 likely winners here and for each ad, make a prediction on the contest form: No Lion (Gunn Report wrong) or Bronze or Silver or Gold; and for one of them Grand Prix – if an ad on the reel is worthy of this accolade.

Deadline to enter into The Gunn Report Cannes Sweepstakes 2015 is midnight Wednesday 24 June (UK). The 5 highest scorers will each win one year’s free subscription to www.gunnreport.com (normal price US$450/£295), or where a winner is already a subscriber, free Gunn Report Books for 2 years (same value).