Ok...Naturally, this isn't the correct page to "pimp" a game, but, what the heck.

The first one is Walt Disney's Haunted Mansion in 3-D.
http://www.sendspace.com/file/1h3zh6

Originally a modification of DOOM, but a standalone version.

The second, is another DOOM mod, CounterStrike Zdoom, also standalone.
http://www.sendspace.com/file/c0vhl0

The Zdoom game engine, and the free freedoom wad are used.