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Proto:Gain Ground (Genesis)

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This page details one or more prototype versions of Gain Ground (Genesis).

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

GainGroundMD-Title-Proto.png

This prototype is dated July 27, 1990; over five months before the game was released.

General

  • The attract mode lacks stage music.
  • In the status bar, "STAY" was changed to "LEFT".
  • There is no "PAUSE" text displayed on-screen when the game is paused.
  • The graphic transition between rounds is messed up.

ROM Header

Prototype Final
SEGA MEGA DRIVE 
(C)SEGA 1990.JAN
GAIN GROUND     
                
                
GAIN GROUND     
                
                
GM 00000000-00
SEGA MEGA DRIVE 
(C)SEGA 1990.DEC
GAIN GROUND     
                
                
GAIN GROUND     
                
                
GM 00004036-00

The date in the ROM header is nearly a full year earlier than the final release is.

Controls

The buttons are mapped differently in the prototype.

Prototype Final
A Normal attack Special attack
B Special attack Normal attack
C Nothing Special attack

Title Screen

Prototype Final
GainGroundMD-Title-Proto.png GainGroundMD-Title-JP.png
  • The static in the background is gray instead of brown. It was also reduced from four colors to two.
  • The text at the bottom of the screen uses a completely unique graphic and font.
  • The space for the text was also expanded vertically.
  • Pressing Start goes straight into the game; no "1 PLAY START"/"2 PLAY START"/"OPTIONS" menu.

Ranking

Prototype Final
GainGroundMD-Ranking-Proto.png GainGroundMD-Ranking-Final.png

Some of the default names in the high score screen were changed. These are likely developer names. Their default scores were also significantly increased.

RANK NAME
(Proto)
NAME
(Final)
ROUND STAGE SCORE
(Proto)
SCORE
(Final)
1 OKA OKA 2 2 999 5000
2 IKU IKU 2 1 800 4000
3 I.O BOO 2 4 700 3000
4 KAB AH 1 8 600 2000
5 N.O N.O 1 7 500 1000
6 OH KAN 1 4 400 800
7 NAO SZK 1 6 300 600
8 OK T.K 2 1 200 500
9 BE S.W 1 8 100 500
10 AOK T.W 1 2 90 400

Text

Text displayed after completing a boss level.

As with the original arcade version, one of these messages will appear at the bottom of the results screen after completing a level:

$ NOW YOU LOOK OUT.  
$ GO FOR YOUR GLORY. 
$ YOU LOOK LIKE BRAVE
$ONE.                
$ NEXT STAGE IS NOT  
$EASY.               
$ NOW TRY NEXT STAGE.
$ YOU HAVE REPRESSED 
$THIS EPOCH.         
$ NOW YOU GO TO NEXT 
$EPOCH.              

The text was removed from the final release for some reason.

Levels

All of the stages in Rounds 4 and 5 are unfinished. The background graphics are largely complete, though lacking in animation and collision detection. Enemies have not been properly placed; typically just a single glitched enemy appears in the upper-left corner of the field. Killing this enemy completes the level.

The game will crash after finishing Round 5, Stage 6, making the game unbeatable.

Round 4, Stage 3
Prototype Final
GainGroundMD-Round4Stage3-Proto.png GainGroundMD-Round4Stage3-Final.png

The alternate exit on the right side of the field was removed. Some pixels in the top corners of the arcade machines were edited. However, tiles for the arcade machines at the top of the field somehow became misplaced.

As an aside, the arcade machines featured in this stage are Racing Hero (top-left), After Burner (bottom-left), and G-LOC: Air Battle (bottom-right).

Round 4, Stage 6
Prototype Final
GainGroundMD-Round4Stage6-Proto.png GainGroundMD-Round4Stage6-Final.png

The alternate exit on the left side of the field was removed.