There are up to three icons next to a user's nickname. These convey his user type or authorization, rank in PixelDam city (if he/she has projects there) and optionally PixelMoon involvement.

User type
Tourist
A tourist has no projects in PixelDam or PixelMoon

Citizen
This is a user that has at least one project in PixelDam.

Superuser
A superuser has a moderator status and assists the Administator

Administrator
The administrator of the PixelDam community

PixelDam rank (class)
Builder
Citizen has 1 to 4 blocks in PixelDam city

Constructor
Citizen has 5 to 11 blocks in PixelDam city

Landlord
Citizen has 12 to 19 blocks in PixelDam city

Tycoon
Citizen has 20 or more blocks in PixelDam city

Other
PixelMoon Stargazer