File:Quake1.gif DMAS01: Basin Game Episode Designer Level Editor Soundtrack Level Theme Previous Map Next Map [Source] Basin or Basin DM is the first level of DEATHMATCH Maps. This level is considered by Jim Lowell to be his first serious attempt to make a level in THRED. This level mainly consists of a single room with multiple levels, the bottom being submerged in a pool of Water. A .3DT version of this map is included with THRED as an example file.