While purists will argue that cheats ruin the experience, the reality is that Delta Force Xtreme 2 is a product of its era—a hardcore, unforgiving shooter. Sometimes, you just want to blow up a helicopter with a rocket launcher without spending 45 minutes crawling through grass.
Because Delta Force: Xtreme 2 reused a massive amount of code from the original Delta Force: Xtreme and previous engine builds, it shares many of the same legacy console commands. Cheat Command Effect on Gameplay iwillsurvive
If you are struggling with a specific level, you don't necessarily need to cheat through it. Delta Force: Xtreme Cheats - PC Cheats Guide - IGN