Solution for King of the Jungle in Peter Jackson's King Kong
didn't work for me, but with some tweaking got finally around it:
1. Hold start when the level is loading, so you immediatly jump into the pause menu
2. Enter the KKtigun cheat
3. Don't kill the raptors!
4. Walk to the fire pits, swap guns and throw a fire spear to the plants blocking hayes.
5. Wait till Hayes drops himself to ground level and walks to the other AI.
6. Kill the raptors.
7. Grap lever and open gate (Hayes didn't follow you, will help open the gate and will walk back because of the glitched raptor)
8. Finish the level