LvL Experimental Single Player Comp!
First ever Quake III Arena Single Player map making contest at LvL World! Visit LvL website to see the details.
Polycount Challenge: Game Environment
New "Side-Scroller Beat-em-up Game Environment" challenge has been started on Polycount. More info and contest rules can be found here.
11-Day Level Design Challenge 2 – Rural Summer
Alex Galuzin from World of Level Design started a new contest: 11-Day Level Design Challenge - Rural Summer. The task is to create nice rural level.
More information can be found here.
Good luck!
Art Pass Contest at TF2Maps.net
Get your hands on already prepared raw Team Fortress 2 level and show your skills by creating the environment! More information about contest can be found here. Good luck!
Gameplay and Flow Challenge Results!

Results of Gameplay and Flow Challenge, contest from World of Level Design can be found here.
NoGhost Quake 3 Arena Mapping Competition #2

New Quake 3 Arena mapping contest from Maverick Servers and NoGhost is comming! Last time we had a great time looking on the winners' maps. Rewards will be great so it's time to dust off Radiant and start with mapping for this great platform.
More information and rules can be found on official contest page.
Game Environment Challenge – Image Reference Re-Creation 2
Another Image Reference Re-Creation Challange is on the way at World of Level Design. Challenge rules are a bit differend than the last time. Now we can use any game engine or 3D software with custom textures and custom models to provide three beauty shots of abandoned cinema building. Again the main topic is to re-create the object presented on the picture as well as possible. More info and challenge rules at Challenge page.

Game Environment Challenge – Image Reference Recreation
Alex G. from World of Level Design announced another challange - Image Reference Recreation. Participants have to recreate the object from the picture to any Source Engine game as realistic as possible. More info on challange page.

11-Day Level Design Contest – Winners!
Alex G. from World of Level Design announced results of 11-Day Level Design Contest. The goal of the contest was to create Winter themed level in certain period of time and design workflow. More information about contest and winners can be found here.
Winner - "Escape from Parkdale" by Oilcake (Left4Dead 2)

RunnerUp - "Abandoned Depot" by Shepard 203 (Crysis)

RunnerUp - "Koth Cliffside" by Severance (Team Fortress 2)

11-Day Level Design Contest
World of Level Design announces 11-Day Level Design Contest in Winter Theme. You have 11 days to create a playable level. Just start a new thread in WOLD Forums with development progress. More information, contest rules and tips can be found here.