“challenging brain”

Difficulty

The typical top-10 app has 516.2K ratings. Dominated by giants. Use it in your description, but chase smaller words to rank.

Keyword in the app name

0 of top 10

None of the top apps use it in their name, so the store ranks by other signals here.

Newest app in the top 10

Released 10 months ago. New apps can still break into this search.

Publishers with several spots

• Unico Studio6 apps · best #1
• JoyGame Studio4 apps · best #3

Top 10 average rating: ★ 4.5