Skip to content
On This Day:

Nintendo Entertainment System · Improvement

Antigrinding

By Ilya Indigo

Metroid · All hacks & resources →

About this project

The changes in this patch are aimed at reducing grinding in this game.

  • The player always starts the game with full energy.
  • Special item restores 10 energy instead of 5.
  • Special item restores 5 missiles instead of 2.
  • You can get 7 energy packs instead of 6.
  • Raising the missile pack restores the full missiles supply.
  • Time to get different endings changed 3|3-5|5-7|7-9|9 hours.
  • If the player collects all equipment (except Wave beam), at least 6 energy packs, all 21 missiles packs, killing all bosses (the maximum number of missiles is 255), then, regardless of the time of the game, he gets the best ending, where Samus in bikini only.

Original game requirements

Database match: Metroid (USA)
Database: No-Intro: Nintendo Entertainment System (v. 20180803-121122)
File SHA-1: ECF39EC5A33E6A6F832F03E8FFC61C5D53F4F90B
File CRC32: A2C89CB9
ROM SHA-1: FDBFC7871962F72A1EF57E5A7E456164FB93430B
ROM CRC32: 70080810

Creator credits

Ilya Indigo
Hacking

RELEASE 1,0

Readme & instructions

5330readme.txt

Energy: 0107+0106/6877
Equipment: 6878
Missiles: 6879/687A

000CC2:
AD 7A 68

000D56:
20 9F DD

000DEA:
20 9F DD

00292E:
AD 77 68
C9 06
30 10
AD 78 68
C9 BF
D0 09
AD 7A 68
C9 FF
D0 02
A0 05
8C 72 68
60

004D56:
20 9F DD

008D56:
20 9F DD

01C930:
A9 99
8D 06 01
EA EA
20 DB FF
60

01CB19:
20 1E A9

01CB28:
1C 16 10 0A

01DC13:
C9 07

01DDA7:
18
6D 7A 68
90 02
A9 FF
8D 7A 68
8D 79 68
60
EA*10

01F4B7:
A2 01
A0 00

01F4C7:
A9 05

01FFEB:
AD 77 68
2A 2A 2A 2A
69 09
8D 07 01
60

001361:
EA EA EA

01C5F1:
A9 01
8D B3 69

Download 5330readme.txt ↓

FROM THE COMMUNITY

Player reviews

0 reviews
No ratings yet

Played this project? Tell other players how it holds up.

Your take on Antigrinding

Spam has been overwhelming. To help us approve your review, sign up and introduce yourself in the Introductions forum so we know you’re not a bot.

Sign in with your Retro Replay account to rate this project and share your experience.

Sign in to review