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
38 awarded
First bounty you manually award on your own question
247 awarded
Ask a well-received question on 5 separate days, and maintain a positive question record
2.3k awarded
First bounty you offer on another person's question
88 awarded
Question score of 10 or more
10.8k awarded
Question with 1,000 views
9.5k awarded
First bounty you offer on your own question
691 awarded
Ask a question and accept an answer
10k awarded
First question with score of 1 or more
18k awarded
Asked a question with zero score, no answers, no comments, and low views for a week
837 awarded

Answer Badges

Edit and answer 1 question (both actions within 12 hours, answer score > 0)
324 awarded
Answer score of 10 or more
19.4k awarded
Answer more than 30 days after a question was asked as first answer scoring 2 or more
2.3k awarded
Answer your own question with score of 3 or more
647 awarded
Answer a question with score of 1 or more
9.2k awarded

Participation Badges

Complete "About Me" section of user profile
13k awarded
Visit an election during any phase of an active election and have enough reputation to cast a vote
653 awarded
Leave 10 comments
3.9k awarded
Earn at least 200 reputation (the daily maximum) in a single day
317 awarded
Followed the Area 51 proposal for this site before it entered the commitment phase
One post with score of 2 on meta
408 awarded
Post 10 messages, with 1 or more starred, in chat
92 awarded

Tag Badges

You must have a total score of 100 in at least 20 non-community wiki answers to achieve this badge.
1k awarded

Moderation Badges

First flagged post
1.5k awarded
First rollback
243 awarded
First down vote
2.7k awarded
Complete at least one review task. This badge is awarded once per review type
1.5k awarded
Delete own post with score of 3 or higher
480 awarded
First edit
12.5k awarded
Edit first post that was inactive for 6 months
751 awarded
First retag
889 awarded
Delete own post with score of -3 or lower
690 awarded
Approve or reject 100 suggested edits
35 awarded
Use 30 votes in a day
272 awarded
First up vote
11.7k awarded
First approved tag synonym
9 awarded
First tag wiki edit
108 awarded
Use the maximum 40 votes in a day
84 awarded

Other Badges

Visited every section of the FAQ (retired)
Share a link to a question later visited by 25 unique IP addresses
288 awarded
Read the entire tour page
3.9k awarded