Online at Amazon.com or something like that.
Serious Sam The Second Encounter - 2002 VG was released on: USA: 4 February 2002
Press "0" to activate the bomb.
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.
Yep. You can also buy the Fusion DLC pack to get the First and Second Encounters in one package.
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.
Serious Sam The First Encounter - 2001 VG was released on: USA: 12 April 2001
Serious Sam Next Encounter - 2004 VG is rated/received certificates of: UK:15 USA:M
Serious Sam The First Encounter - 2001 VG is rated/received certificates of: New Zealand:R16 Singapore:ADV USA:M
Piratebay.org.
Steam is the easiest place.
You mean where people play co-op sessions of campaign? No. That's very rare. The only game I know with that is Serious Sam: The Second Encounter HD.