Great. I also forgot about the power-ups.
Also, add:
Metroid: all enemies, NOT bosses or Metroids.
Super Metroid: tilesets. ALL AREAS.
Metroid Fusion: Third Boss (Sector 2 TRO - Hi-Jump)
Metroid Fusion: Security Robot B.O.X. (Sectors 3 PYR and 6 NOC - Wave Beam)
Metroid Fusion: Sixth Boss (Sector 6 NOC - Varia Suit)
Metroid Fusion: Wide Beam Core-X (Sector 3 PYR)
Metroid Fusion: Arachnoid (Main Deck - Space Jump)
Metroid Fusion: Plant Boss (Sector 2 TRO - Plasma Beam)
Metroid Fusion: the Nightmare (Sector 5 ARC - Gravity Suit)
Metroid Fusion: tilesets. ALL AREAS.
Metroid: Zero Mission: Samus (Power Suit)
Metroid: Zero Mission: Samus (Varia Suit - 1)
Metroid: Zero Mission: Samus (Varia Suit - 2 / Fully-Powered Suit)
Metroid: Zero Mission: tilesets. ALL AREAS.
Also, add:
Metroid: all enemies, NOT bosses or Metroids.
Super Metroid: tilesets. ALL AREAS.
Metroid Fusion: Third Boss (Sector 2 TRO - Hi-Jump)
Metroid Fusion: Security Robot B.O.X. (Sectors 3 PYR and 6 NOC - Wave Beam)
Metroid Fusion: Sixth Boss (Sector 6 NOC - Varia Suit)
Metroid Fusion: Wide Beam Core-X (Sector 3 PYR)
Metroid Fusion: Arachnoid (Main Deck - Space Jump)
Metroid Fusion: Plant Boss (Sector 2 TRO - Plasma Beam)
Metroid Fusion: the Nightmare (Sector 5 ARC - Gravity Suit)
Metroid Fusion: tilesets. ALL AREAS.
Metroid: Zero Mission: Samus (Power Suit)
Metroid: Zero Mission: Samus (Varia Suit - 1)
Metroid: Zero Mission: Samus (Varia Suit - 2 / Fully-Powered Suit)
Metroid: Zero Mission: tilesets. ALL AREAS.