
Rovio's failed games —
"Bounce Evolution" let phone users roll a ball through 3-D environments. Rovio made 51 games before "Angry Birds."

Rovio's failed games —
In Totomi, players drop animals -- zebras, fish and others -- on top of each other to form totem poles. Rovio, based in Finland, nearly went broke before "Angry Birds" in 2009.

Rovio's failed games —
With a layout that kind of resembles the original "Zelda," "Paid to Kill" lets players complete missions as a bounty hunger named Ramon Spectre.

Rovio's failed games —
Here's how Rovio describes "Wolf Moon": "Detective Janet Cain is bitten by a werewolf and has to flee into the howling wilderness."

Rovio's failed games —
"War Diary" is a series of "action-strategy games" in which players build up armies and fight against each other.

Rovio's failed games —
Rovio says this puzzle game, "Darkest Fear," creates "an atmosphere of intense horror that test(s) the nerves of even the most jaded player."

Rovio's description of "Cyber Blood": "Explore urban wastelands, boost your character with special weapons and modules in this thrilling action game."

Rovio's failed games —
"Guide the Bounce ball through different surreal worlds, and finally free the world of Pongpingy from the rule of the evil Hypnotoid," Rovio says of "Boing Voyage."