Besides gaining reputation with your questions and answers, you receive badges for being especially helpful. Badges appear on your profile page, flair, and your posts.

Question Badges

First bounty you manually awarded on another person's question
137 awarded
First bounty you manually awarded on your own question
279 awarded
Asked a well-received question on 5 separate days, and maintained a positive question record
986 awarded
First bounty you offered on another person's question
176 awarded
Question score of 10 or more
5.9k awarded
Asked a question with 1,000 views
21.9k awarded
First bounty you offered on your own question
447 awarded
Asked a question and accepted an answer
6.5k awarded
Asked first question with score of 1 or more
11.4k awarded
Asked a question with no votes, no answers, no comments, and low views for a week
890 awarded

Answer Badges

Answer score of 10 or more
7.6k awarded
Answered more than 30 days later as first answer scoring 2 or more
1.4k awarded
Answered your own question with score of 3 or more
805 awarded
Answered first question with score of 1 or more
14k awarded

Participation Badges

Completed all user profile fields
10.1k awarded
Visited an election during any phase of an active election and had enough reputation to cast a vote
2k awarded
Left 10 comments
2.1k awarded
Earned at least 200 reputation (the daily maximum) in a single day
312 awarded
Followed the Area 51 proposal for this site before it entered the commitment phase
90 awarded
One post with score of 2 on meta
616 awarded
Posted 10 messages, with 1 or more starred, in chat
366 awarded

Tag Badges

You must have a total score of 100 in at least 20 non-community wiki answers to achieve this badge.
271 awarded

Moderation Badges

First flagged post
1.8k awarded
First rollback
295 awarded
First down vote
2.3k awarded
Completed at least one review task. This badge is awarded once per review type
1.9k awarded
Deleted own post with score of 3 or higher
82 awarded
First edit
6.4k awarded
Edited first post that was inactive for 6 months
577 awarded
First retag
821 awarded
Deleted own post with score of -3 or lower
388 awarded
Approved or rejected 100 suggested edits
67 awarded
Used 30 votes in a day
462 awarded
First up vote
13.6k awarded
First approved tag synonym
20 awarded
First tag wiki edit
521 awarded
Used the maximum 40 votes in a day
302 awarded

Other Badges

Visited every section of the FAQ (retired)
809 awarded
Shared a link to a question that was visited by 25 unique IP addresses
442 awarded
Read the entire about page
1.5k awarded