Alien Sourcebook

The [[Alien_Sourcebook|Alien Sourcebook]] introduced the forces and histories of 3 other factions inhabiting the Legions of Steel galaxy. With force lists providing UPVs for all units and unit organizations available up to that time, any previously published mission could be replayed with entirely new forces. A few new Machine units were also added, along with several scenarios that showcased the alien factions.
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Added Rules

The [[Alien_Sourcebook|Alien Sourcebook]] did not add any new rules beyond those for new units and weapons included in the book itself.

New Scenarios

The [[Alien_Sourcebook|Alien Sourcebook]] featured 6 new scenarios, each featuring one or more of the new factions ([[Black_Empire|Black Empire]], [[Fantasians|Fantasians]], and [[Infranites|Infranites]]) introduced in this supplement.

The Lock

Assault Line

Moon Base Assault

P.B.A. Works

Into The Mix

Operation Jericho

New Factions

The Alien Sourcebook added 3 new factions to the game:
*[[Black_Empire|Black Empire]]
*[[Fantasians|Fantasians]]
*[[Infranites|Infranites]]

New Units

Machines

  1711 [[Assault_Fiend|Mark IA1 Assault Fiend]]
  1790 [[Centurion|C2 Centurion]]
  1800 [[Stalker|G5 Stalker]]

Black Empire

  3000 [[Seth_Drakkar|Seth Drakkar]]
  3002 [[Seth_Drakkar|Aseth Drakkar]]
  3020 [[Storm_Angel|Storm Angel]]
  3040 [[Takkar|Lancer Takkar]]
  3041 [[Takkar|Grenadier Takkar]]

Fantasians

  3200 [[Stormtrooper|Stormtrooper with PPsH]]
  3201 [[Stormtrooper|Stormtrooper with PKM]]
  3202 [[Stormtrooper|Stormtrooper with SS2000]]
  3220 [[T85|T85/34 Shock Trooper]]

Infranites

  3400 [[Warrior|Warrior]]
  3420 [[Chain_Gunner|Heavy Weapons Warrior]]
  3421 [[War_Leader|War Leader]]
  3440 [[BAP|Volcano B.A.P.]]