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
146 awarded
First bounty you manually awarded on your own question
300 awarded
Asked a well-received question on 5 separate days, and maintained a positive question record
1.1k awarded
First bounty you offered on another person's question
187 awarded
Question score of 10 or more
6.3k awarded
Asked a question with 1,000 views
24.6k awarded
First bounty you offered on your own question
484 awarded
Asked a question and accepted an answer
7.1k awarded
Asked first question with score of 1 or more
12.6k awarded
Asked a question with no votes, no answers, no comments, and low views for a week
1k awarded

Answer Badges

Edited and answered 1 question (both actions within 12 hours, answer score > 0)
402 awarded
Answer score of 10 or more
8.2k awarded
Answered more than 30 days later as first answer scoring 2 or more
1.6k awarded
Answered your own question with score of 3 or more
867 awarded
Answered first question with score of 1 or more
15.2k awarded

Participation Badges

Completed "About Me" section of user profile
17.5k awarded
Visited an election during any phase of an active election and had enough reputation to cast a vote
2k awarded
Left 10 comments
2.3k awarded
Earned at least 200 reputation (the daily maximum) in a single day
337 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
650 awarded
Posted 10 messages, with 1 or more starred, in chat
390 awarded

Tag Badges

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

Moderation Badges

First flagged post
2k awarded
First rollback
322 awarded
First down vote
2.5k awarded
Completed at least one review task. This badge is awarded once per review type
2.1k awarded
Deleted own post with score of 3 or higher
90 awarded
First edit
7.2k awarded
Edited first post that was inactive for 6 months
676 awarded
First retag
891 awarded
Deleted own post with score of -3 or lower
444 awarded
Approved or rejected 100 suggested edits
78 awarded
Used 30 votes in a day
484 awarded
First up vote
14.9k awarded
First approved tag synonym
21 awarded
First tag wiki edit
560 awarded
Used the maximum 40 votes in a day
314 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
482 awarded
Read the entire tour page
1.8k awarded