The game provides the same propulsion that gamers have come to expect from the franchise, but this time around, female protagonists star.
The company announces staff cuts and the closure of its game studio in Tampere, Finland.
Mikael Hed will step down as chief executive at the end of the year, turning the reins over to Pekka Rantala.
Hands-on with the Angry Birds developers' own addictive spin on a match-three game.
The company says its financials were down in 2013 because it was building a "foundation" for future growth.
The company did say, however, that it might need to revisit its relationships with third-party ad networks if their services are being used for spying.
Game maker Rovio says it will keep making spinoffs of its popular Angry Birds franchise "just like Nintendo and its series of Mario-based games."
Despite lower earnings, Rovio is still one of the most popular mobile-game companies in the world, tallying almost 600 million game downloads in 2014.
The creator of the hit game promises third-party developers marketing gold and plans to publish two new games, from outside game makers, under its name.
Angry Birds Transformers is a welcome departure from the slingshot approach found in previous Rovio games, and it's still very entertaining -- as long as you don't mind freemium timers.