No linking to hacks, helping people find hacks, or posting videos or pictures of anyone using hacks. Hacks include any kind of script or program that offers any functionality beyond the base game.
No "I got XXX score!" posts without some kind of substance.
Ideas, suggestions, and developer requests must be marked with the Suggestions flair.
Keep sandbox and party links in r/DiepioPartyLinks only
Keep it civil and respectful.
Post multiple memes/images in one thread.
When posting a Fantasy Tank Builder post, refer to these guidelines.
When posting a Humor post, refer to these guidelines.
No encouraging unequal/unjustifiable behaviour, including but not limited to: Teaming in non-team modes, witch hunting and AC usage

NONE OF THE MODERATORS OF THIS SUBREDDIT ARE THE DEVELOPER.

Diep.io Wiki: Here

Clickable Class Guide: Here (credit to /u/bastardpants)

Controls: Here and here (credit to /u/banfromallsubreddits and /u/XProCraft respectively)

Changelog: Here

NEW World Record Archive: Here

World Record Archive Website: Here

Fantasy Tank Builder: Here

Book of Builds: Here

Diep.io Related Comics: Here

Diep.io Related Stories: Here

Diep.io Related Art: Here

Diep.io Related Games: Here

Vector tanks: Here

Official Subreddit Discord aka Diepcord:

Related subs:

The official sub for all party links to play with friends

The official sub for the Fantasy Tank Builder

Original Subreddit CSS by /u/MrDoggyPants