It took a long time but finally the old MechWarrior 4 game has been released for free.
http://www.mektek.net/projects/mw4/105 different mechs ranging from 20 to 100 tons.
9 Battle Armor
6 Infantry
32 Beam Weapons
43 Ballistic Weapons
44 Missile Weapons
7 Electronic Components
3 different types of armor
Clan and IS Mech Pack mechs available in campaign
Mektek mechs and weapons added to campaigns
Zonematch has been replaced with MekMatch in all visible text and is the one and only mech-matching service
5 new MekMatch servers to host and play on! You can change servers whenever you like. Each server has a dedicated community to cater to
League Server
New Players
Australia
Europe
North America
"Connect" and "Host" default to the last server chosen
Gawd...I really do miss MPBT 3025.
ack-ack