Alternatively, you can also update your game through the Nintendo eShop:

These modes can be accessed by pressing the on the "Samus Files" screen after meeting certain requirements.

: Fight all 12 bosses in order to achieve the best time. Damage carries over between fights, but weapons are fully restored. Survival Rush

Follows the standard Boss Rush format but with zero margin for error. Unlock: Clear the main game in Dread Mode . Technical Fixes & Access

: Allows players to fight individual bosses one-on-one to master their patterns. General Fixes