Note that many websites have their own advertising, unrelated to adware.
Free "Ad Supported" game.
It is declared to the users that the games are "Ad Supported" and shall display Targeted Ads.
From their website:
"Games are Free to consumers who agree to receive additional software provided by eXact Advertising, including NaviSearch, a search helper applications and BullsEye, a comparison shopping and related offer provider..."
Funcade installation page, which declares that games are free, and come alongwith additional software provided by eXact Advertising, such as "NaviSearch" and "BullsEye".