What are some alternatives?
When comparing Frozen Bubble and WikiQuiz, you can also consider the following products
Angry Birds POP - Angry Birds meets bubble shooter, use your slingshot to match and burst colorful bubbles.
the Wiki Game - Explore & Race Through Wikipedia Articles
Bubble Witch Saga - Stella and her cats need your help to fend off the dark spirits that are plaguing their land.
Bubble Shooter Mania HD - Bubble Shooter Mania HD is a Colorful simple game.
Nonograms Katana - Nonogram puzzle game with gorgeous, Japanese influenced visuals.
WIKIPATHS - WikiPaths is a hyperlink scavenger hunt game played on Wikipedia.org