Nope. Just big guns.
You just press the usual fire button, Sam will light the bomb, and it will explode. He does not throw it.
Yes. Press the '~' button and type in: please god (god mode) please giveall (gives all weapons) please fly (fly ability) please ghost (no clip activated) please invisible (invisibility activated)...
Serious Sam refers to the console version for Xbox. Serious Sam: The First Encounter refers to the PC version. They're both entirely different games.
Online at amazon.com or something like that.
Serious Sam HD: the Second Encounter House of Sam Trailer
Serious Sam HD: the Second Encounter Launch Trailer
Serious Sam HD: the First Encounter Review
Serious Sam HD: the Second Encounter Announcement Trailer