The competition between Facebook and Google+ may come down to little animated birds, virtual farms, and Scrabble-like word games.

Facebook has offered online games like Farmville and Words with Friends for some time, and now Google hopes to mimic Facebook’s success. Last week, the tech giant announced that Zynga Poker and Angry Birds would soon debut on Google+.

Sean Ryan, Facebook’s director of game partnerships, addressed this trend last week, likening Google+’s move toward online games to McDonald’s high-quality coffee that competes with Starbucks. “Google has emulated aspects of our system, which is what they have the right to do,” he said. “We just need to be better.”

Ryan’s rallying cry makes sense when you consider that online games bring increased revenue, not just more users and traffic. In some games, players pay to play or buy virtual goods, and Facebook then takes 30 percent of that revenue, while Google says it’ll take 5 percent.

Why the difference? According to Ryan, “Google is at 5 percent because they don’t have any users.”

Read more at CNNMoney ^[1].