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Proto:Super Monkey Ball Jr.

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This page details one or more prototype versions of Super Monkey Ball Jr..

Hiddenpalace.org logo.png  This prototype is documented on Hidden Palace.


The August 6, 2002 prototype of Super Monkey Ball Jr. is dated over two months before the final American build. It was released by Hidden Palace on January 1, 2022 as part of their New Years 2022 release.

General Differences

  • Some menu elements are placed very slightly differently on-screen.
    • This is also true for some of the text elements on the screens shown between levels during gameplay.
  • The ball doesn't travel upwards off the screen when finishing a level.
  • Many of the Main Game's levels are different to varying degrees.
  • So are many of the Monkey Golf courses.

Splash Screens

The trademark and "JR" were later added.

Proto Final
MonkeyBallJrPrototypeLegalScreen.png MonkeyBallJrFinalLegalScreen.png

The Realism logo uses its previous logo in the prototype.

Proto Final
MonkeyBallJrPrototypeRealismLogo.png MonkeyBallJrFinalRealismLogo.png

Title Screen

The "Press" in "PRESS START" is completely uppercase in the prototype. A trademark would later be added in the final version, and "Build 14" is written on the top right of the screen.

Proto Final
MonkeyBallJrPrototypeTitle.png MonkeyBallJrTitle.png

Graphical Differences

  • The "P1" sprite does not change outline colour when selecting a character.
  • The sparkles released by the ball when finishing a stage look more like smoke.
  • The "START" sprite that shows where the player starts in a stage is written in full caps rather than small caps, and is fully red instead of being shaded yellow-red.
Proto Final
MonkeyBallJrPrototypeSTARTSprite.png MonkeyBallJrFinalSTARTSprite.png

Floor Differences

Beginner 7

Walls were added.

Proto Final
MonkeyBallJrPrototypeB7.png MonkeyBallJrFinalB7.png

Beginner 9

Walls were removed and the landing platform was made shorter.

Proto Final
MonkeyBallJrPrototypeB9.png MonkeyBallJrFinalB9.png

Beginner 10

The layout was entirely redone.

Proto Final
MonkeyBallJrPrototypeB10.png MonkeyBallJrFinalB10.png

Advanced 2

The ending section was made different, with one bumper removed.

Proto Final
MonkeyBallJrPrototypeA2.png MonkeyBallJrFinalA2.png

Advanced 7

The slope was made less steep and the bumper was removed.

Proto Final
MonkeyBallJrPrototypeA7.png MonkeyBallJrFinalA7.png

Advanced 13

The penultimate staircase was replaced by a slope and the ending curves were made shorter.

Proto Final
MonkeyBallJrPrototypeA13.png MonkeyBallJrFinalA13.png

Advanced 19

The layout and individual sections were changed.

Proto Final
MonkeyBallJrPrototypeA19.png MonkeyBallJrFinalA19.png

Expert 3

The gap was made smaller.

Proto Final
MonkeyBallJrPrototypeE3.png MonkeyBallJrFinalE3.png

Expert 16

The layout and individual sections were changed.

Proto Final
MonkeyBallJrPrototypeE16.png MonkeyBallJrFinalE16.png

Expert 21

Parts of the floor were cut to prevent intense lag.

Proto Final
MonkeyBallJrPrototypeE21.png MonkeyBallJrFinalE21.png

Expert 30

The floor was completely redone. The prototype version also had a spinning cog that presumably functioned as an obstacle rather than a platform to stand on.

Proto Final
MonkeyBallJrPrototypeE30.png MonkeyBallJrFinalE30.png

Master 3

The floor was shortened.

Proto Final
MonkeyBallJrPrototypeM3.png MonkeyBallJrFinalM3.png
(Source: TheLobsterCopter5000)

Minigame Differences

Monkey Golf

Mode A

Hole 4

The slopes were made less steep.

Proto Final
MonkeyBallJrPrototypeGolfA4.png MonkeyBallJrFinalGolfA4.png
Hole 6

The hole in the middle was made narrower.

Proto Final
MonkeyBallJrPrototypeGolfA6.png MonkeyBallJrFinalGolfA6.png
Hole 8

The second row of tiles from the edges were made slightly sloped.

Proto Final
MonkeyBallJrPrototypeGolfA8.png MonkeyBallJrFinalGolfA8.png
Hole 9

The middle bridge moved left and right in the prototype, now just tilts in the final version.

Proto Final
MonkeyBallJrPrototypeGolfA9.png MonkeyBallJrFinalGolfA9.png

Mode B

Hole 3

Completely different course.

Proto Final
MonkeyBallJrPrototypeGolfB3.png MonkeyBallJrFinalGolfB3.png
Hole 4

The walls were remodeled.

Proto Final
MonkeyBallJrPrototypeGolfB4.png MonkeyBallJrFinalGolfB4.png
Hole 6

The centre piece is narrower and has no hole in the prototype, and makes a full rotation instead of tilting back and forth like in the final version.

Proto Final
MonkeyBallJrPrototypeGolfB6.png MonkeyBallJrFinalGolfB6.png
Hole 9

Completely different course.

Proto Final
MonkeyBallJrPrototypeGolfB9.png MonkeyBallJrFinalGolfB9.png

Monkey Bowling

In Challenge Mode, one of the pin layouts was slightly changed.

Proto Final
MonkeyBallJrPrototypeBowlingChallenge.png MonkeyBallJrFinalBowlingChallenge.png
(Source: TheLobsterCopter5000)

Text Differences

Different wording and a minor grammar fix.

Proto Final
Initialising game data Preparing game data
Proto Final
Play points recieved Play points received


To do:
There's more.
Proto Final
Realism Development Team Development Team (Realism/Creations)