NBT-HardCore: Mechwarrior 4 Based Planetary League (NBT-HC Mod)

NBT-Classic: MegaMek Based Planetary League

NBT-Battlefield: Battlefield 2142 Based Planetary League

NBT-Solaris: MW3 RPG Character Creation System & Pending Ladder League

Welcome to the NetBattleTech League System

NBT Forums For All Leagues
Active Leagues: NBT-HardCore and NBT-Classic
Pending Leagues: NBT-Solaris and NBT-Battlefield
Retired Leagues: NBT-Mercs and NBT4