Unexpected end .... scénard pourrave and bizarre difficulty

So difficulty zarbe I saved my balls in my to prepare a final difficulty and arriving late in the game I resumed my part I kill three mutant then I finished one goal in 10 seconds and the end of games bam !! !!!!! all this difficult I have known I will not save as much my special bullets and weapons of crazy and I'll have less drooling over new game no more !!!! which would have allowed me to repeat the games with my arms and finish what I had to miss eventuelement could have some trophies and well no !!! well it makes you want dy not play again immediately because frankly y'avait but a sweet world scenario and advanced levels of the story so so again I rummaged lot and finished the game fast enough anyway so for the nag that Zapp missions Optional and distressed low ben ca ... well prommet 15 euros but frankly it makes the guys can do better because the brothel potential y'avait