Which of the following does not represent a key element in social games?

A) Leaderboards.
B) Achievement badges.
C) Friend lists.
D) Meetups.
E) None of these.

Social Games

Games designed for social platforms that encourage interaction and collaboration among players, often integrating with social media networks.

Leaderboards

Ranked listings that display users, organizations, or entities based on specific criteria or accomplishments, often used in gaming and educational platforms to encourage competition.

Achievement Badges

Digital or physical tokens of accomplishment, often used in gaming or educational platforms to signify completion of tasks or challenges.