Star Trek: 25th Anniversary

Maybe you could try this trainer :
It can make the Enterprise invulnerable by pressing the [F1] key during combat.

Note : This is a beta version, which means you may have to experiment with it.

Hint : If you fly backwards during combat, yourenemy locks into orbit around you craft, unable to get a bead on you.
To fly backwards, hit the tilde [~] key. (Information from Cheat Machine)