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 awarded on another person's question
15 awarded
First bounty you manually awarded on your own question
23 awarded
Asked a well-received question on 5 separate days, and maintained a positive question record
117 awarded
Asked a well-received question on 30 separate days, and maintained a positive question record
1 awarded
Asked a well-received question on 100 separate days, and maintained a positive question record
Question favorited by 25 users
12 awarded
Question favorited by 100 users
2 awarded
First bounty you offered on another person's question
21 awarded
Question score of 10 or more
337 awarded
Question score of 25 or more
42 awarded
Question score of 100 or more
2 awarded
Asked a question with 1,000 views
2.6k awarded
Asked a question with 2,500 views
1.5k awarded
Asked a question with 10,000 views
417 awarded
First bounty you offered on your own question
51 awarded
Asked a question and accepted an answer
3k awarded
Asked first question with score of 1 or more
4.4k awarded
Asked a question with no votes, no answers, no comments, and low views for a week
174 awarded

Answer Badges

First to answer and accepted with score of 10 or more
173 awarded
Edited and answered 1 question (both actions within 12 hours, answer score > 0)
71 awarded
Edited and answered 50 questions (both actions within 12 hours, answer score > 0)
3 awarded
Edited and answered 500 questions (both actions within 12 hours, answer score > 0)
Provided non-wiki answers of 15 total score in 20 of top 40 tags
Accepted answer and score of 40 or more
8 awarded
Answer score of 10 or more
555 awarded
Answer score of 25 or more
52 awarded
Answer score of 100 or more
4 awarded
Highest scoring answer that outscored an accepted answer with score of more than 10 by more than 2x
2 awarded
Provided answer of +20 score to a question of -5 score
Answered more than 30 days later as first answer scoring 2 or more
179 awarded
Answered a question more than 60 days later with score of 5 or more
82 awarded
Answered your own question with score of 3 or more
95 awarded
Answered first question with score of 1 or more
2.7k awarded
Zero score accepted answers: more than 5 and 20% of total
2 awarded
Zero score accepted answers: more than 10 and 25% of total

Participation Badges

Completed "About Me" section of user profile
8.7k awarded
Visited an election during any phase of an active election and had enough reputation to cast a vote
181 awarded
Voted for a candidate in the final phase of an election
121 awarded
Left 10 comments
436 awarded
Left 10 comments with score of 5 or more
7 awarded
Visited the site each day for 30 consecutive days. (Days are counted in UTC.)
132 awarded
Visited the site each day for 100 consecutive days. (Days are counted in UTC.)
46 awarded
Earned at least 200 reputation (the daily maximum) in a single day
31 awarded
Earned 200 daily reputation 50 times
Earned 200 daily reputation 150 times
Followed the Area 51 proposal for this site before it entered the commitment phase
46 awarded
Actively participated in the private beta
37 awarded
One post with score of 2 on meta
137 awarded
10 posts with score of 2 on meta
22 awarded
Posted 10 messages, with 1 or more starred, in chat
52 awarded
Posted 10 messages in chat that were starred by 10 different users
6 awarded
Active member for a year, earning at least 200 reputation
624 awarded

Tag Badges

You must have a total score of 100 in at least 20 non-community wiki answers to achieve this badge.
74 awarded
You must have a total score of 400 in at least 80 non-community wiki answers to achieve this badge.
4 awarded
You must have a total score of 1000 in at least 200 non-community wiki answers to achieve this badge.
2 awarded

Moderation Badges

First flagged post
342 awarded
Raised 80 helpful flags
12 awarded
Raised 500 helpful flags
Voted 300 or more times
36 awarded
First rollback
28 awarded
Served as a pro-tem moderator for at least 1 year or through site graduation
7 awarded
Served as an elected moderator for at least 1 year
First down vote
301 awarded
Completed at least one review task. This badge is awarded once per review type
392 awarded
Completed at least 250 review tasks. This badge is awarded once per review type
22 awarded
Completed at least 1,000 review tasks. This badge is awarded once per review type
2 awarded
Deleted own post with score of 3 or higher
6 awarded
First edit
2.3k awarded
Edited 80 posts
17 awarded
Edited 500 posts (excluding own or deleted posts and tag edits)
3 awarded
Voted on 600 questions and 25% or more of total votes are on questions
12 awarded
Edited first post that was inactive for 6 months
116 awarded
Edited 100 posts that were inactive for 6 months
2 awarded
First retag
133 awarded
Deleted own post with score of -3 or lower
20 awarded
Approved or rejected 100 suggested edits
9 awarded
Up voted 100 answers on questions where an answer of yours has a positive score
7 awarded
Used 30 votes in a day
47 awarded
First up vote
5.8k awarded
First approved tag synonym
10 awarded
First tag wiki edit
54 awarded
Edited 50 tag wikis
2 awarded
Created a tag used by 50 questions
51 awarded
Used the maximum 40 votes in a day
25 awarded

Other Badges

Visited every section of the FAQ (retired)
134 awarded
Shared a link to a question that was visited by 25 unique IP addresses
33 awarded
Shared a link to a question that was visited by 300 unique IP addresses
3 awarded
Shared a link to a question that was visited by 1000 unique IP addresses
3 awarded
Read the entire tour page
813 awarded