These are all community-contributed. You can view all the JSON source files  here: 
<a href="https:&#x2F;&#x2F;github.com&#x2F;duckduckgo&#x2F;zeroclickinfo-goodies&#x2F;tree&#x2F;master&#x2F;share&#x2F;goodie&#x2F;cheat_sheets&#x2F;json" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;duckduckgo&#x2F;zeroclickinfo-goodies&#x2F;tree&#x2F;mas...</a><p>and you can search for Cheat Sheets (and all other Instant Answers) here: <a href="https:&#x2F;&#x2F;duck.co&#x2F;ia?q=cheat+sheet" rel="nofollow">https:&#x2F;&#x2F;duck.co&#x2F;ia?q=cheat+sheet</a>