Same level of challenge, maybe a little more.
Edit: I made some mistakes with item order so if you die there may be glitches. Just use save states if u die.
Update:
I made a map
The arrows show where the zones cross over each other.
Metroid (U) (PRG0) [!].nes
CRC32: A2C89CB9
MD5: D77C8053168DA14B360BF5CAECCC5964
SHA-1: ECF39EC5A33E6A6F832F03E8FFC61C5D53F4F90B
SHA-256: E6E6B7014685ADAE447EBB3833242815747BC1E5DF83ADE79F693FB67CF565B6