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
23 awarded
First bounty you manually awarded on your own question
120 awarded
Asked a well-received question on 5 separate days, and maintained a positive question record
435 awarded
Asked a well-received question on 30 separate days, and maintained a positive question record
9 awarded
Asked a well-received question on 100 separate days, and maintained a positive question record
Question favorited by 25 users
129 awarded
Question favorited by 100 users
17 awarded
First bounty you offered on another person's question
42 awarded
Question score of 10 or more
1.7k awarded
Question score of 25 or more
313 awarded
Question score of 100 or more
15 awarded
Asked a question with 1,000 views
5.2k awarded
Asked a question with 2,500 views
1.9k awarded
Asked a question with 10,000 views
233 awarded
First bounty you offered on your own question
229 awarded
Asked a question and accepted an answer
6k awarded
Asked first question with score of 1 or more
8.2k awarded
Asked a question with no votes, no answers, no comments, and low views for a week
773 awarded

Answer Badges

First to answer and accepted with score of 10 or more
826 awarded
Edited and answered 1 question (both actions within 12 hours, answer score > 0)
148 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
16 awarded
Accepted answer and score of 40 or more
109 awarded
Answer score of 10 or more
2.7k awarded
Answer score of 25 or more
509 awarded
Answer score of 100 or more
22 awarded
Highest scoring answer that outscored an accepted answer with score of more than 10 by more than 2x
19 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
495 awarded
Answered a question more than 60 days later with score of 5 or more
226 awarded
Answered your own question with score of 3 or more
225 awarded
Answered first question with score of 1 or more
5.8k awarded
Zero score accepted answers: more than 5 and 20% of total
7 awarded
Zero score accepted answers: more than 10 and 25% of total

Participation Badges

Completed "About Me" section of user profile
16.3k awarded
Visited an election during any phase of an active election and had enough reputation to cast a vote
540 awarded
Voted for a candidate in the final phase of an election
304 awarded
Left 10 comments
1.8k awarded
Left 10 comments with score of 5 or more
38 awarded
Visited the site each day for 30 consecutive days. (Days are counted in UTC.)
549 awarded
Visited the site each day for 100 consecutive days. (Days are counted in UTC.)
125 awarded
Earned at least 200 reputation (the daily maximum) in a single day
106 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
74 awarded
Actively participated in the private beta
95 awarded
One post with score of 2 on meta
274 awarded
10 posts with score of 2 on meta
22 awarded
Posted 10 messages, with 1 or more starred, in chat
183 awarded
Posted 10 messages in chat that were starred by 10 different users
45 awarded
Active member for a year, earning at least 200 reputation
2.9k awarded

Tag Badges

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

Moderation Badges

First flagged post
1.1k awarded
Raised 80 helpful flags
14 awarded
Raised 500 helpful flags
1 awarded
Voted 300 or more times
118 awarded
First rollback
86 awarded
Served as a pro-tem moderator for at least 1 year or through site graduation
3 awarded
Served as an elected moderator for at least 1 year
5 awarded
First down vote
1.3k awarded
Completed at least one review task. This badge is awarded once per review type
945 awarded
Completed at least 250 review tasks. This badge is awarded once per review type
32 awarded
Completed at least 1,000 review tasks. This badge is awarded once per review type
7 awarded
Deleted own post with score of 3 or higher
26 awarded
First edit
6.2k awarded
Edited 80 posts
17 awarded
Edited 500 posts (excluding own or deleted posts and tag edits)
4 awarded
Voted on 600 questions and 25% or more of total votes are on questions
28 awarded
Edited first post that was inactive for 6 months
221 awarded
Edited 100 posts that were inactive for 6 months
2 awarded
First retag
380 awarded
Deleted own post with score of -3 or lower
182 awarded
Approved or rejected 100 suggested edits
13 awarded
Up voted 100 answers on questions where an answer of yours has a positive score
4 awarded
Used 30 votes in a day
138 awarded
First up vote
11.6k awarded
First approved tag synonym
7 awarded
First tag wiki edit
117 awarded
Edited 50 tag wikis
3 awarded
Created a tag used by 50 questions
124 awarded
Used the maximum 40 votes in a day
82 awarded

Other Badges

Visited every section of the FAQ (retired)
488 awarded
Shared a link to a question that was visited by 25 unique IP addresses
127 awarded
Shared a link to a question that was visited by 300 unique IP addresses
10 awarded
Shared a link to a question that was visited by 1000 unique IP addresses
3 awarded
Read the entire tour page
1.3k awarded
http://gamedev.stackexchange.com/help/badges?tab=General&filter=unearned
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