0 is the Sledgehammer, 1 is the Colt, 2 is the Single Shotgun, 3 is the Double shotgun, 4 is the Minigun, 5 is the Assault rifle, 6 is the Rocket launcher, 7 is the Sticky bomb, 8 is the Auto shotgun, 9 is the Cannon, 10 are the Hands, 11 is the Laser, and 12 is the Sniper. Note 3: On "Gives a specified weapon" you have to put a number in brackets. Note 2: Auto aim cheat doesn't seem to have any effect. Note: Cheats don't work in CO-OP games or multiplayer as far as I know. To disable the effect, change the 1 to 0. For example, to fly around and pass through walls you have to type "cht_bGhost = 1". Most of the variables are boolean (true or false), so a value of 0 is false and 1 is true. To change the value of a variable, use a "variable=value" format. Type "cht_bEnableCheats = 0" in the console to disable the cheats for the next session. All Serious Sam 3: BFE secrets Spoiler - click to reveal I'll add more to the guide if this is not suitable information, so please comment below if you feel anything is missing. (Type "cht" into the console and press TAB for a list of cheats.) Doing this however will invalidate your achievements and leaderboard score gained in that session. You can access the cheats through the menu (Press ESC then press F3) or by typing them into the console.
Note that console commands are case sensitive. How to unlock the Look, it's a secret achievement in Serious Sam 3: BFE: Find at least 50 secrets in single player. Press the console key ` and type "cht_bEnableCheats = 3" to enable the developer cheats. I wrote this guide years ago, and back then it all worked.
Therefore I don't guarantee in any way that these are still working. NOTE: According to some user reports, these cheats may not work anymore in the latest patch (or then people just can't read instructions).