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
307 awarded
First bounty you manually award on your own question
996 awarded
Ask a well-received question on 5 separate days, and maintain a positive question record
2.8k awarded
First bounty you offer on another person's question
639 awarded
Question score of 10 or more
8.2k awarded
Question with 1,000 views
64.7k awarded
First bounty you offer on your own question
2.1k awarded
Ask a question and accept an answer
31k awarded
First question with score of 1 or more
68.9k awarded
Asked a question with zero score, no answers, no comments, and low views for a week
26.8k awarded

Answer Badges

Edit and answer 1 question (both actions within 12 hours, answer score > 0)
958 awarded
Answer score of 10 or more
12.3k awarded
Answer more than 30 days after a question was asked as first answer scoring 2 or more
7.1k awarded
Answer your own question with score of 3 or more
2.3k awarded
Answer a question with score of 1 or more
41.1k awarded

Participation Badges

Complete "About Me" section of user profile
66.3k 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
10k awarded
Earn at least 200 reputation (the daily maximum) in a single day
418 awarded
Followed the Area 51 proposal for this site before it entered the commitment phase
67 awarded
One post with score of 2 on meta
1.1k awarded
Post 10 messages, with 1 or more starred, in chat
393 awarded

Tag Badges

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

Moderation Badges

First flagged post
4.7k awarded
First rollback
584 awarded
First down vote
4.8k awarded
Complete at least one review task. This badge is awarded once per review type
7k awarded
Delete own post with score of 3 or higher
168 awarded
First edit
46.1k awarded
Edit first post that was inactive for 6 months
3.1k awarded
First retag
2.1k awarded
Delete own post with score of -3 or lower
364 awarded
Approve or reject 100 suggested edits
174 awarded
Use 30 votes in a day
590 awarded
First up vote
56.5k awarded
First approved tag synonym
45 awarded
First tag wiki edit
414 awarded
Use the maximum 40 votes in a day
384 awarded

Other Badges

Visited every section of the FAQ (retired)
1.2k awarded
Share a link to a question later visited by 25 unique IP addresses
1.8k awarded
Read the entire tour page
18.6k awarded