Run Think Shoot Live
RunThinkShootLive.com, formerly known as PlanetPhillip.com is a site focusing on Half-Life 2 mods and maps. Commonly it is referred to simply as RTSL.
The website currently lists over 1500 maps and mods, over 50,000 comments, over 50,000 screenshots, more than 300 poll questions, 535 commenting members and 400 other articles about general gaming.
VILLE
Rtslville. "-ville" is what former owner of the site Phillip suffixed his half-life 2 mapping competitions. Eg:
Gravity Gunville - A competition focused on Half-Life 2's Gravity Gun as a mechanic.
OR
Bossville - A competition focused on the concept of video game boss fights.
Etc.
To my knowledge their were around ~60 of these. (i will be listing them here soon)
See also
Map Labs - the current spiritual successor for Hl2 mapping competitions. Formed by and often contributed by the same community members of RTSL.