Deus EX GOTY Edition 

Open this file with Windows Notepad:
...\deusex\system\user.ini
and find the phrase "T=" and change to "T=talk" (or "T=Talk" or "t=Talk" or "t=talk").

Recording Demo:

start the game 
start level which you want to record and type t (Talk)

demorec "name of demo"

demorec demo
demorec demo1
demorec demo2

stop recording:

stopdemo


Play demo:

start the game 
start level which is for the demo and type t (Talk)


at first type:

demoplay "name of demo"

demoplay demo1


now type fast "timedemo 1" 

then you see the current and average FPS 

after the demo is completed the results are plopping out for 3sec. (in the green message)

--> Now press ESC
--> After then press F2-Button (LOG) now you can see the Results as long as you want.