Which version of Samus Aran's Arm Cannon in Metroid had the most impact on gameplay?

Samus Aran's Arm Cannon
Metroid
Metroid
Games
Samus Aran's Arm Cannon poll options
Samus Aran's Arm Cannon
Metroid
Metroid
- Original Metroid
- Super Metroid
- Metroid Prime
- Metroid: Samus Returns