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
60 awarded
First bounty you manually award on your own question
126 awarded
Ask a good question on 5 separate days, and maintain a positive question record
775 awarded
First bounty you offer on another person's question
71 awarded
Question score of 10 or more
4.4k awarded
Question with 1,000 views
19.1k awarded
First bounty you offer on your own question
166 awarded
Ask a question and accept an answer
13.5k awarded
First question with score of 1 or more
19.7k awarded
Asked a question with zero score, no answers, no comments, and low views for a week
52 awarded

Answer Badges

Edit and answer 1 question (both actions within 12 hours, answer score > 0)
444 awarded
Answer score of 10 or more
11.3k awarded
Answer more than 30 days after a question was asked as first answer scoring 2 or more
378 awarded
Answer your own question with score of 3 or more
169 awarded
Answer a question with score of 1 or more
14.9k awarded

Participation Badges

Complete "About Me" section of user profile
31k awarded
Visit an election during any phase of an active election and have enough reputation to cast a vote
1.8k awarded
Leave 10 comments
3.7k awarded
Earn at least 200 reputation (the daily maximum) in a single day
672 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
704 awarded
Post 10 messages, with 1 or more starred, in chat
243 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
2.3k awarded
First rollback
272 awarded
First down vote
3.2k awarded
Complete at least one review task. This badge is awarded once per review type
2.2k awarded
Delete own post with score of 3 or higher
90 awarded
First edit
11.6k awarded
Edit first post that was inactive for 6 months
456 awarded
First retag
616 awarded
Delete own post with score of -3 or lower
385 awarded
Approve or reject 100 suggested edits
56 awarded
Use 30 votes in a day
355 awarded
First up vote
26.5k awarded
First approved tag synonym
21 awarded
First tag wiki edit
120 awarded
Use the maximum 40 votes in a day
188 awarded

Other Badges

Visited every section of the FAQ (retired)
487 awarded
Share a link to a question later visited by 25 unique IP addresses
142 awarded
Read the entire tour page
5.6k awarded