The Thing Cheats Guide

The Thing is a 2002 third-person shooter survival horror video game developed by Computer Artworks and co-published by Universal Interactive under their Black Label Games publishing label and Konami. It was released for Windows, Xbox and PlayStation 2. Game Boy Color and Game Boy Advance versions were also planned, but both were cancelled early in development.
Cheat codes, console commands, secrets:
Quick Save registry edit:

As per Computer Artworks:
Run "regedit" and go to:
HKLM/Software/Computer Artworks/TheThing/1.0
create a string value called "DoInGameLoadSave" and set it to 1.
Load Game and Save Game now appear in the options menu.
Cheat codes, console commands, secrets and system requirements for The Thing free online.

Game description

Microsoft Windows, PlayStation 2, Xbox
Game Developer:
Computer Artworks
Game Genre:
Third-person shooter, survival horror
Game Mode:
Game Publisher:
Black Label Games
On other platforms and consoles:
PS/PS2 Xbox