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
58 awarded
First bounty you manually award on your own question
272 awarded
Ask a well-received question on 5 separate days, and maintain a positive question record
623 awarded
First bounty you offer on another person's question
137 awarded
Question score of 10 or more
1.9k awarded
Question with 1,000 views
22.6k awarded
First bounty you offer on your own question
754 awarded
Ask a question and accept an answer
8.6k awarded
First question with score of 1 or more
20.6k awarded

Answer Badges

Edit and answer 1 question (both actions within 12 hours, answer score > 0)
199 awarded
Answer score of 10 or more
1.7k awarded
Answer more than 30 days after a question was asked as first answer scoring 2 or more
2.1k awarded
Answer your own question with score of 3 or more
638 awarded
Answer a question with score of 1 or more
12.4k awarded

Participation Badges

Complete "About Me" section of user profile
50.6k awarded
Visit an election during any phase of an active election and have enough reputation to cast a vote
2k awarded
Leave 10 comments
2k awarded
Earn at least 200 reputation (the daily maximum) in a single day
39 awarded
Followed the Area 51 proposal for this site before it entered the commitment phase
89 awarded
One post with score of 2 on meta
313 awarded
Post 10 messages, with 1 or more starred, in chat
56 awarded

Tag Badges

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

Moderation Badges

First flagged post
2.2k awarded
First rollback
132 awarded
First down vote
1.4k awarded
Complete at least one review task. This badge is awarded once per review type
1.9k awarded
Delete own post with score of 3 or higher
36 awarded
First edit
13.5k awarded
Edit first post that was inactive for 6 months
735 awarded
First retag
608 awarded
Delete own post with score of -3 or lower
173 awarded
Approve or reject 100 suggested edits
37 awarded
Use 30 votes in a day
211 awarded
First up vote
25.3k awarded
First approved tag synonym
11 awarded
First tag wiki edit
177 awarded
Use the maximum 40 votes in a day
164 awarded

Other Badges

Share a link to a question later visited by 25 unique IP addresses
1.3k awarded
Read the entire tour page
16.9k awarded

Retired Badges

Visited every section of the FAQ
349 awarded
Asked a question with zero score, no answers, no comments, and low views for a week
8.9k awarded