IF7-R

The IF7-R (also known as the Inner Fighter VII Revolution) is a machine created by Dr. Minamida in Yakuza 4. It allows the player to fight previously-encountered bosses in the form of a fighting game.
== Description ==
Enemy information must be input before playing, which can be obtained through defeating bosses encountered over the course of the story. The unlocked boss fights require a fee of 10,000 yen to fight them.
After enemy is defeated, the character will be rewarded with a Health or Heat boost from each enemy. Afterwards, defeating one of the enemies again will reward an item from the list below.
== Rewards ==
Broken Radio
Staminan Royale
Small Motor
Super Resin
Gravity Converter
Super High-Voltage Battery
Mystery Liquid
=== Ability Rewards ===
==== Akiyama ====
*Essence of Pole Dancing
*Essence of Jumping
==== Saejima ==== 
*Essence of Knock Down
*Essence of Head Press
==== Tanimura ==== 
*Essence of Hurling
*Essence of Reversing
== List of Enemies ==
=== Thunder's Shadow ===
Masaru Ihara: The first boss Akiyama fights, in Part 1 Chapter 1.
=== Deadly Demon ===
Takumi Midorikawa: The second boss Akiyama fights, in Part 1 Chapter 4.
=== Guardian of Rage ===
Saito: The first boss fought by both Saejima, in Part 2 Chapter 1, and Kiryu, in Part 4 Chapter 1.
=== Flaming Jester ===
Daisaku Minami: The third boss Akiyama fights, in Part 1 Chapter 4.
=== Cold-Blooded Fist ===
Junji Sugiuchi: The only proper boss Tanimura fights, in Part 3 Chapter 4. In this minigame, he can teleport.
=== One-Eyed Demon ===
Goro Majima: The third Boss Saejima fights, in Part 2 Chapter 4.
=== Wind Phoenix ===
Shun Akiyama: Can be obtained after all of the protagonists meet in the final Chapter: Requiem.
=== Iron-Armed Tiger ===
Taiga Saejima: Can be obtained after all of the protagonists meet in the final Chapter: Requiem. In this minigame, he can quickstep, while the real Saejima cannot.
=== The Wall/Unbreakable Tortoise ===
Masayoshi Tanimura: Can be obtained after all of the protagonists meet in the final Chapter: Requiem.
=== Legendary Blue Dragon ===
Kazuma Kiryu: Can be obtained after all of the protagonists meet in the final Chapter: Requiem. After defeating the Legendary Blue Dragon with Akiyama, Saejima, and Tanimura, they will learn 2 of Kiryu's Heat Actions.
Category:Minigames