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 award on another person's question
43 awarded
First bounty you manually award on your own question
44 awarded
Ask a well-received question on 5 separate days, and maintain a positive question record
239 awarded
First bounty you offer on another person's question
57 awarded
Question score of 10 or more
5.7k awarded
Question with 1,000 views
12.1k awarded
First bounty you offer on your own question
59 awarded
Ask a question and accept an answer
8k awarded
First question with score of 1 or more
14.9k awarded

Answer Badges

Edit and answer 1 question (both actions within 12 hours, answer score > 0)
348 awarded
Answer score of 10 or more
20.3k awarded
Answer more than 30 days after a question was asked as first answer scoring 2 or more
28 awarded
Answer your own question with score of 3 or more
65 awarded
Answer a question with score of 1 or more
8.9k awarded

Participation Badges

Complete "About Me" section of user profile
36.7k awarded
Visit an election during any phase of an active election and have enough reputation to cast a vote
5.8k awarded
Leave 10 comments
3.9k awarded
Earn at least 200 reputation (the daily maximum) in a single day
3k awarded
Followed the Area 51 proposal for this site before it entered the commitment phase
52 awarded
One post with score of 2 on meta
586 awarded
Post 10 messages, with 1 or more starred, in chat
619 awarded

Tag Badges

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

Moderation Badges

First flagged post
3.3k awarded
First rollback
253 awarded
First down vote
4.1k awarded
Complete at least one review task. This badge is awarded once per review type
3.1k awarded
Delete own post with score of 3 or higher
110 awarded
First edit
11.3k awarded
Edit first post that was inactive for 6 months
365 awarded
First retag
611 awarded
Delete own post with score of -3 or lower
864 awarded
Approve or reject 100 suggested edits
42 awarded
Use 30 votes in a day
345 awarded
First up vote
29.8k awarded
First approved tag synonym
12 awarded
First tag wiki edit
88 awarded
Use the maximum 40 votes in a day
169 awarded

Other Badges

Share a link to a post later visited by 25 unique IP addresses
336 awarded
Read the entire tour page
6.3k awarded

Retired Badges

Visited every section of the FAQ
145 awarded
Asked a question with zero score, no answers, no comments, and low views for a week