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
115 awarded
First bounty you manually awarded on your own question
387 awarded
Asked a well-received question on 5 separate days, and maintained a positive question record
2.6k awarded
First bounty you offered on another person's question
169 awarded
Question score of 10 or more
10.1k awarded
Asked a question with 1,000 views
17.9k awarded
First bounty you offered on your own question
531 awarded
Asked a question and accepted an answer
16.2k awarded
Asked first question with score of 1 or more
26.4k awarded
Asked a question with zero score, no answers, no comments, and low views for a week
589 awarded

Answer Badges

Edited and answered 1 question (both actions within 12 hours, answer score > 0)
309 awarded
Answer score of 10 or more
16.7k awarded
Answered more than 30 days later as first answer scoring 2 or more
2.7k awarded
Answered your own question with score of 3 or more
1.1k awarded
Answered first question with score of 1 or more
7.6k awarded

Participation Badges

Completed "About Me" section of user profile
15.5k awarded
Visited an election during any phase of an active election and had enough reputation to cast a vote
141 awarded
Left 10 comments
4.2k awarded
Earned at least 200 reputation (the daily maximum) in a single day
292 awarded
Followed the Area 51 proposal for this site before it entered the commitment phase
71 awarded
One post with score of 2 on meta
662 awarded
Posted 10 messages, with 1 or more starred, in chat
169 awarded

Tag Badges

You must have a total score of 100 in at least 20 non-community wiki answers to achieve this badge.
1.6k awarded

Moderation Badges

First flagged post
1k awarded
First rollback
218 awarded
First down vote
1.6k awarded
Completed at least one review task. This badge is awarded once per review type
1.4k awarded
Deleted own post with score of 3 or higher
151 awarded
First edit
13.7k awarded
Edited first post that was inactive for 6 months
753 awarded
First retag
563 awarded
Deleted own post with score of -3 or lower
14 awarded
Approved or rejected 100 suggested edits
44 awarded
Used 30 votes in a day
319 awarded
First up vote
20.2k awarded
First approved tag synonym
15 awarded
First tag wiki edit
166 awarded
Used the maximum 40 votes in a day
196 awarded

Other Badges

Visited every section of the FAQ (retired)
571 awarded
Shared a link to a question that was visited by 25 unique IP addresses
804 awarded
Read the entire tour page
3.5k awarded