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
115 awarded
First bounty you manually award on your own question
395 awarded
Ask a good question on 5 separate days, and maintain a positive question record
2.7k awarded
First bounty you offer on another person's question
170 awarded
Question score of 10 or more
10.3k awarded
Question with 1,000 views
18.4k awarded
First bounty you offer on your own question
545 awarded
Ask a question and accept an answer
16.5k awarded
First question with score of 1 or more
27k awarded
Asked a question with zero score, no answers, no comments, and low views for a week
611 awarded

Answer Badges

Edit and answer 1 question (both actions within 12 hours, answer score > 0)
316 awarded
Answer score of 10 or more
17.1k awarded
Answer more than 30 days after a question was asked as first answer scoring 2 or more
2.7k awarded
Answer your own question with score of 3 or more
1.1k awarded
Answer a question with score of 1 or more
7.8k awarded

Participation Badges

Complete "About Me" section of user profile
16k awarded
Visit an election during any phase of an active election and have enough reputation to cast a vote
141 awarded
Leave 10 comments
4.3k awarded
Earn at least 200 reputation (the daily maximum) in a single day
292 awarded
Followed the Area 51 proposal for this site before it entered the commitment phase
71 awarded
One post with score of 2 on meta
670 awarded
Post 10 messages, with 1 or more starred, in chat
172 awarded

Tag Badges

You must have a total score of 100 in at least 20 non-community wiki answers to achieve this badge.
1.6k awarded

Moderation Badges

First flagged post
1k awarded
First rollback
223 awarded
First down vote
1.6k 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
152 awarded
First edit
14k awarded
Edit first post that was inactive for 6 months
770 awarded
First retag
570 awarded
Delete own post with score of -3 or lower
14 awarded
Approve or reject 100 suggested edits
44 awarded
Use 30 votes in a day
323 awarded
First up vote
20.6k awarded
First approved tag synonym
15 awarded
First tag wiki edit
166 awarded
Use the maximum 40 votes in a day
202 awarded

Other Badges

Visited every section of the FAQ (retired)
571 awarded
Share a link to a question later visited by 25 unique IP addresses
827 awarded
Read the entire tour page
3.8k awarded