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
30 awarded
First bounty you manually awarded on your own question
142 awarded
Asked a well-received question on 5 separate days, and maintained a positive question record
957 awarded
First bounty you offered on another person's question
50 awarded
Question score of 10 or more
1.2k awarded
Asked a question with 1,000 views
5.1k awarded
First bounty you offered on your own question
295 awarded
Asked a question and accepted an answer
4.9k awarded
Asked first question with score of 1 or more
11.5k awarded
Asked a question with no votes, no answers, no comments, and low views for a week
1.9k awarded

Answer Badges

Answer score of 10 or more
1.4k awarded
Answered more than 30 days later as first answer scoring 2 or more
783 awarded
Answered your own question with score of 3 or more
377 awarded
Answered first question with score of 1 or more
4.9k awarded

Participation Badges

Completed all user profile fields
3.3k awarded
Visited an election during any phase of an active election and had enough reputation to cast a vote
954 awarded
Left 10 comments
1.7k awarded
Earned at least 200 reputation (the daily maximum) in a single day
34 awarded
Followed the Area 51 proposal for this site before it entered the commitment phase
88 awarded
One post with score of 2 on meta
244 awarded
Posted 10 messages, with 1 or more starred, in chat
28 awarded

Tag Badges

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

Moderation Badges

First flagged post
420 awarded
First rollback
58 awarded
First down vote
682 awarded
Completed at least one review task. This badge is awarded once per review type
903 awarded
Deleted own post with score of 3 or higher
36 awarded
First edit
5.7k awarded
Edited first post that was inactive for 6 months
269 awarded
First retag
400 awarded
Deleted own post with score of -3 or lower
35 awarded
Approved or rejected 100 suggested edits
26 awarded
Used 30 votes in a day
117 awarded
First up vote
5.9k awarded
First approved tag synonym
13 awarded
First tag wiki edit
149 awarded
Used the maximum 40 votes in a day
73 awarded

Other Badges

Visited every section of the FAQ (retired)
310 awarded
Shared a link to a question that was visited by 25 unique IP addresses
122 awarded
Read the entire about page
1.1k awarded