hah...ok Peppe...i think i'll get some money to buy Lost Planet...
1. Yes. There are soldiers and weapons...about monsters...yes there are monsters but mostly you'll fight against stnthetic race called Geth and other races of galaxy...there are zombies too..
2. Yes, there is Mako
the best vehicle to discovering lost planets...(even our moon!!!)
3. in other games you need to rescue (only) the world... in this game you need to rescue whole GALAXY!!!! is that what you mean???
But this is only first part of the trilogy...