JRsr developed this nationwide sales promotion for Unox Knacks (Unilever) with the name 'Knak de Code' (break the code). Target group was children 6 to 12 and the mechanic - 1.5 million cans monthly printed with codes, game demos downloadable from promotional web site.

JRsr designed the promotional web site and developed entire commercial model with publishers and broadband suppliers and negotiated commercial conditions for their involvement. The sales promotion was supported by television commercials.

Its the first time that Unilever had tried such a large sales-promotion, and first time Wanadoo had experienced such a multi level campaign.