Originally Posted by Kordanor
I never played on normal or below. But I would say that on insane the game is impossible to beat and on hard only if you are very, very, very lucky, if at all - and there is no way to compensate anything with good tactics. You can save a few hitpoints here and there, save some ammo here and there. But if there is some special enemy or group of enemies…or you don't get a repair station in time, lose an item due to a trap or destroying it on repair, you are screwed and there is no way around it. In addition the game at some point seems to spawn enemies, making the experience even more frustrating.