Uploaded May 2025 | Updated September 2026, 3 weeks ago

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This is a playthrough of Arcade Mode using P. Jack in the PS1 version of Tekken 1. Read on below for more information...

Prototype Jack is the sub-boss for Jack in the game. He is an unlockable playable character in the normal version of it.

===== ABOUT THE "BOSS EDITION" =====

To put it simply, this is the normal game as usual but with the major difference being that the bosses' icons appear on the character select screens instead of the regular characters. The 2P Play Mode character select screen also has this change whereby it replaces the regular character's texts.

The interesting thing is that the final boss Heihachi replaces the slot of Kazuya... logically you would think that only the sub-bosses would appear here right? Heihachi being present here results in Kunimitsu not appearing on this screen.

Note that the sub-bosses' icon slot appearances here do not replace/match their regular starting character counterparts (for example Anna would replace Nina's slot), meaning that it's not a structured appearance. Instead, they are of the same order as when they are all unlocked in the normal version of the game.

The bosses' icons on this screen are not just aesthetical... they actually function and do give you the chosen boss when you select them here. Think of it as the bosses being the 'main characters' this time.

I find it rather interesting because normally the bosses' icons are never shown on the character select screen (you normally move the cursor off the side of the screen to select the bosses after they're unlocked).

===== "BOSS EDITION" ADDITIONAL INFORMATION =====

- If you select a boss this way and use him/her to beat Arcade Mode, it does not unlock their regular counterpart.

- As mentioned earlier, Kunimitsu is the only boss that does not appear on the character screen due to Heihachi appearing.

===== P. JACK INFORMATION =====

- HOW TO UNLOCK P. JACK IN THE NORMAL VERSION OF THE GAME:

Beat Arcade Mode with Jack. P. Jack will then be available on the character select screen by scrolling off the side of the grid.

===== ABOUT P. JACK =====

As a robot character, the regular Jack having an alternative "prototype" design of him as a personal sub-boss is a clever idea. In Tekken 1 he looks more "wacky", particularly his default costume... it's like as if he is "pieced" together with various metal and devices. He has a vastly different conservative look in Tekken 2, of which has now become his staple design as his appearances in TTT1 and TTT2 shows.

===== GAMEPLAY =====

He is another derivative of Jack... with one of the extra moves being Paul's hammer & smasher. That, along with one of his throws, I don't actually remember any other gameplay differences between him and regular Jack (there probably is more). Another thing is that his range of attack isn't actually that good, despite looking as if it is.

===== ABOUT PS1 TEKKEN 1 =====

This version of the game is virtually arcade perfect, even bettering the Arcade version in a lot of ways, such as:

1) The sub-bosses and Heihachi being made to be unlockable playable characters. They are unplayable in the Arcade version.

2) Extra/new and unique moves for the bosses.

3) A new alternative costume for each of the bosses.

4) FMV endings for the regular characters.

5) Offering an excellent Arranged soundtrack.

The minor downside however is that the character portraits on the select screen are static when you select/confirm them, unlike in the Arcade where they had animation. This is probably done to cut loading times.

===== CHAPTERS =====

00:00 - Title/Menu & Boss character select screen
00:30 - Regular fights
09:29 - vs. Jack (personal sub-boss)
10:42 - vs. Heihachi
12:21 - Credits
13:29 - Name Entry
13:48 - Time Rankings
14:06 - BONUS: 2P Play Mode character select screen & P. Jack 2P costume