After many attempts, i finally completed all stages of Safe Haven without using the flamethrower, or the tracker, or hiding, and with aggressive alien mod installed. Playing as Ransome.

Some of my numerous failed attempts thrown in at the end. I nearly gave up...

Aggressive Alien Mod :
https://www.moddb.com/mods/agressive...
SweetFX preset by CineFX:
http://sfx.thelazy.net/games/preset/2...
aliasIsolation Cinematic Tools, TAA quality improvements:
https://github.com/aliasIsolation/ali...