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
194 awarded
First bounty you manually award on your own question
818 awarded
Ask a well-received question on 5 separate days, and maintain a positive question record
3k awarded
First bounty you offer on another person's question
317 awarded
Question score of 10 or more
8.1k awarded
Question with 1,000 views
30.8k awarded
First bounty you offer on your own question
1.5k awarded
Ask a question and accept an answer
25.8k awarded
First question with score of 1 or more
41.9k awarded

Answer Badges

Edit and answer 1 question (both actions within 12 hours, answer score > 0)
901 awarded
Answer score of 10 or more
11.9k awarded
Answer more than 30 days after a question was asked as first answer scoring 2 or more
3.8k awarded
Answer your own question with score of 3 or more
445 awarded
Answer a question with score of 1 or more
16.8k awarded

Participation Badges

Complete "About Me" section of user profile
44.3k awarded
Visit an election during any phase of an active election and have enough reputation to cast a vote
3.2k awarded
Leave 10 comments
9.2k awarded
Earn at least 200 reputation (the daily maximum) in a single day
1k awarded
Followed the Area 51 proposal for this site before it entered the commitment phase
56 awarded
One post with score of 2 on meta
1.1k awarded
Post 10 messages, with 1 or more starred, in chat
569 awarded

Tag Badges

You must have a total score of 100 in at least 20 non-community wiki answers to achieve this badge.
1.8k awarded

Moderation Badges

First flagged post
3.9k awarded
First rollback
517 awarded
First down vote
5.1k awarded
Complete at least one review task. This badge is awarded once per review type
7.6k awarded
Delete own post with score of 3 or higher
293 awarded
First edit
33.5k awarded
Edit first post that was inactive for 6 months
1.6k awarded
First retag
1.5k awarded
Delete own post with score of -3 or lower
1.6k awarded
Approve or reject 100 suggested edits
109 awarded
Use 30 votes in a day
533 awarded
First up vote
37.6k awarded
First approved tag synonym
17 awarded
First tag wiki edit
197 awarded
Use the maximum 40 votes in a day
372 awarded

Other Badges

Share a link to a post later visited by 25 unique IP addresses
2.2k awarded
Read the entire tour page
25.2k awarded

Retired Badges

Visited every section of the FAQ
265 awarded
Asked a question with zero score, no answers, no comments, and low views for a week
5.5k awarded