i want a cheat to change levels in sin episodes and how to change it and please give me the names of levels ..

Answer 1

Cheats for SiN Episodes: Emergence
Hit the ~ Button and enter sv_cheats 1 first.

Code Effect
impulse 101 All Weapons And Ammo
God Gives you god mode
notarget No enemy can see you
health Sets health to the desired number (0-9999)
health 999 Sets your health to 999
noclip Walk through walls and objects
changelevel (Name of Level) Warp to Level