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
65 awarded
First bounty you manually award on your own question
125 awarded
Ask a well-received question on 5 separate days, and maintain a positive question record
539 awarded
First bounty you offer on another person's question
74 awarded
Question score of 10 or more
6.4k awarded
Question with 1,000 views
7.8k awarded
First bounty you offer on your own question
148 awarded
Ask a question and accept an answer
4.1k awarded
First question with score of 1 or more
6.9k awarded

Answer Badges

Edit and answer 1 question (both actions within 12 hours, answer score > 0)
270 awarded
Answer score of 10 or more
18k awarded
Answer more than 30 days after a question was asked as first answer scoring 2 or more
58 awarded
Answer your own question with score of 3 or more
90 awarded
Answer a question with score of 1 or more
12k awarded

Participation Badges

Complete "About Me" section of user profile
22.1k awarded
Visit an election during any phase of an active election and have enough reputation to cast a vote
2.4k awarded
Leave 10 comments
4k awarded
Earn at least 200 reputation (the daily maximum) in a single day
1.3k awarded
Followed the Area 51 proposal for this site before it entered the commitment phase
73 awarded
One post with score of 2 on meta
611 awarded
Post 10 messages, with 1 or more starred, in chat
286 awarded

Tag Badges

You must have a total score of 100 in at least 20 non-community wiki answers to achieve this badge.
1.3k awarded

Moderation Badges

First flagged post
1.9k awarded
First rollback
190 awarded
First down vote
3k awarded
Complete at least one review task. This badge is awarded once per review type
3k awarded
Delete own post with score of 3 or higher
86 awarded
First edit
9.1k awarded
Edit first post that was inactive for 6 months
314 awarded
First retag
395 awarded
Delete own post with score of -3 or lower
214 awarded
Approve or reject 100 suggested edits
37 awarded
Use 30 votes in a day
351 awarded
First up vote
18.6k awarded
First approved tag synonym
13 awarded
First tag wiki edit
116 awarded
Use the maximum 40 votes in a day
177 awarded

Other Badges

Share a link to a post later visited by 25 unique IP addresses
207 awarded
Read the entire tour page
9.2k 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