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Gradius Home World グラディウス ホームワールド

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Games Rom Hacking

Arcade - アーケード (AC) コナミ Arcade - アーケード (AC)

Note: Back up your roms before replacing files as these will replace you current rom files.

Gradius III ~Densetsu kara Shinwa e~ - グラディウスIII~伝説から神話へ~

Gradius III 01

Edit Mode

This rom hack allows you to select weapon combinations that were not in the original version of the game.

On the EDIT MODE screen you will be able to go further up and down to select the other weapons.

I like chosing SPREAD BOMB, FREE WAY, TWIN LASER, OPTION, FORCE FIELD and REDUCE.

MISSILE DOUBLE LASER OPTION ? !
SPREAD BOMB          
2WAY          
NORMAL/MISSILE VERTICAL TWIN LASER OPTION FORCE FIELD NORMAL
CONTROL SPREAD GUN RIPPLE S.OPTION SHIELD SPEED DOWN
UPPER MISSILE TAIL GUN E.LASER   FREE SHIELD R.OPTION
S.SPREAD FREE WAY C.LASER   REDUCE MEGA CRUSH
PHOTON TORPEDO NORMAL NORMAL     REDUCE

Gradius III 02 Gradius III 03

Service Mode - Sound Test

This hack also stops the counter in the Service Mode Sound Test, this allows you to listen to all the sound effect and music rather than only a few seconds.

Gradius III 04

Note that this is a Merged Set and does not require the gradius3 (World. program code R) rom.

Download gradius3j (Japan. program code S) - 1.66MB - Konami 1989

Gradius IV ~Fukkatsu~ - グラディウスIV~復活~

There are three different version of this hack that add different things:-

Gradius IV round and stage select (JAC version) + 20hz rapid

Select your starting loop, stage select and autofire (saves your poor arm with all the button bashing).

Gradius IV round and stage select (JAC version) - no rapid - stage 9 continue

Select your starting loop, stage select, no autofire and allow game continue on Stage 9 (normally it's game over if you die on Stage 9).

Gradius IV round and stage select (JAC version) - no rapid v2

Select your starting loop, stage select, no autofire.

This version is good for high score competitions as no autofire but you do still want to start on a higher loop and stage selects.

Information

Use joystick lever + start to select a loop:

  • LOOP 1: Start
  • LOOP 2: Right + Start
  • LOOP 3: Left + Start
  • LOOP 5: Down + Start
  • LOOP 9: Up + Start

Use buttons + start to select stage. Game will pause momentarily.

Release button to avoid selecting weapon type accidentally:

  • STAGE 1 LIQUID MAGMA Start
  • STAGE 2 PLANT C + Start
  • STAGE 3 BUBBLE B + Start
  • STAGE 4 VOLCANO C + B + Start
  • STAGE 5 MOAI A + Start
  • STAGE 6 CELL A + C + Start
  • STAGE 7 HI-SPEED A + B + Start
  • STAGE 9 LAST A + B + C + Start

Download gradius4 (JAC) - 14.14MB - Konami 1998

Nintendo Super Famicom - スーパーフアミコン (SFC) ニンテンドー Nintendo Super Famicom - スーパーフアミコン (SFC) ニンテンドー

Gradius III SA-1 patch by Vitor Vilela

https://github.com/VitorVilela7/SA1-Root

Gradius III (Japan)

Gradius III (USA)