DO NOT add new seeds for basic items/trinkets/etc. Seeds for special conditions are allowed. (details)
Do NOT add any hard numbers, unless... (details)
Add item, enemy etc. sprites via the standard upload interface and follow the guidelines.
All speculation belongs on discussion (talk) pages.
When adding a platform specific entry (like seeds or bugs) please use our platform tags:
{{plat|PC}}
PC {{plat|PS4}}
PS4 {{plat|Vita}}
Vita {{plat|3DS}}
3DS {{plat|Xbox}}
XboxOne {{plat|iOS}}
iOS {{plat|Switch}}
Switch {{plat|WiiU}}
WiiU
When adding any changes introduced in a DLC (like synergies between new items, newly added synergies, or new monsters added to original floors) please use the corresponding tag:
{{dlc|a}}
{{dlc|a+}}
{{dlc|r}}
or the parameter in any related template:
| dlc = a | dlc = a+ | dlc = r
Failure to obey the editing guidelines may result in a ban.