| Base Animal Stock List Addition-Raptors & Other Avians | by: Steve Saunders |
| Breeding System | By: Daniel "GameMaster" Movrich |
| Diseases for that nasty surprise a few days later | By: Derek Holland |
| Critical Hits - Melee | By: Kerry Jordan |
| Critical Hits - Missile | By: Kerry Jordan |
| Critical Misses - Melee | By: Kerry Jordan |
| Critical Misses - Missile | By: Kerry Jordan |
| Descriptions of Various Power Sources | By: Reginald Blue |
| Industrial Hazards | By: Bob Crichton |
| Random Alliance Table | by: Reginald Blue |
| Robotic Critical Hit Tables | By: Reginald Blue |
| Skill System for 4th Edition | By: Kerry Jordan |
| Weapon Effects Chart | By: Moses "Wolfy" Wildermuth |