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
First bounty you manually award on your own question
1 awarded
Ask a well-received question on 5 separate days, and maintain a positive question record
7 awarded
First bounty you offer on another person's question
2 awarded
Question score of 10 or more
96 awarded
Question with 1,000 views
11 awarded
First bounty you offer on your own question
1 awarded
Ask a question and accept an answer
81 awarded
First question with score of 1 or more
159 awarded

Answer Badges

Edit and answer 1 question (both actions within 12 hours, answer score > 0)
6 awarded
Answer score of 10 or more
98 awarded
Answer more than 30 days after a question was asked as first answer scoring 2 or more
11 awarded
Answer your own question with score of 3 or more
13 awarded
Answer a question with score of 1 or more
170 awarded

Participation Badges

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

Tag Badges

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

Moderation Badges

First flagged post
41 awarded
First rollback
5 awarded
First down vote
65 awarded
Complete at least one review task. This badge is awarded once per review type
123 awarded
Delete own post with score of 3 or higher
First edit
122 awarded
Edit first post that was inactive for 6 months
8 awarded
First retag
18 awarded
Delete own post with score of -3 or lower
4 awarded
Approve or reject 100 suggested edits
Use 30 votes in a day
13 awarded
First up vote
401 awarded
First approved tag synonym
2 awarded
First tag wiki edit
18 awarded
Use the maximum 40 votes in a day
9 awarded

Other Badges

Share a link to a post later visited by 25 unique IP addresses
1 awarded
Read the entire tour page
233 awarded

Retired Badges

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