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Mega Twins (Arcade)
Mega Twins |
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Also known as: Chiki Chiki Boys (JP) This game has unused graphics. |
Mega Twins is a side-scrolling action game by Capcom that has no relation to Mega Man.
Contents
Extended Service Menu
Normally, only the first four options (Dot Test, I.O Test, Dip Test, and Col Test) are available in the service menu. To access the full service menu, set the Game Mode dip switch to "Game", hold 1P Coin and then press the Service Mode button (Default F2 in MAME).
General controls:
- 1P Joystick: Moves cursor.
- 1P Button 1: Selects an option.
- 1P Button 2: Exits selected menu.
Object & Scroll Tests
Object Test | Scroll 1 Test |
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Scroll 2 Test | Scroll 3 Test |
Graphics viewers for Objects (Sprites), Scroll 1 (Font & HUD), Scroll 2 (Foreground), and Scroll 3 (Background).
DISP 1
Groups tiles together.
- 1P Up/Down: Scroll through tiles.
- 1P Button 1 + 1P Up / Down: Scrolls through tiles at 2x speed.
- 1P Left/Right: Changes color palette.
DISP 2
Splits tiles apart for easier individual viewing.
(Same controls as DISP 1)
STAG No.
Loads stage-specific palettes.
- 1P Up/Right: Increments stage value.
- 1P Down/Left: Decrements stage value.
FLIP
Flips tiles horizontally or vertically.
- 1P Up/Down: Toggles vertical flipping.
- 1P Left/Right: Toggles horizontal flipping.
ETC
Allows users to edit the currently loaded palettes.
- 1P Up/Down: Changes palette OR changes the selected color's LRGB value.
- 1P Left/Right: Moves between colors in a given palette OR moves between L, R, G, or B values for a given color.
- 1P Button 1: Chooses a color to edit.
Scroll Move
Allows the user to view background and/or foreground layers in any of the game's stages.
MOVE 2 / MOVE 3 / MOVE 23
"MOVE 2" is for the foreground, "MOVE 3" for the background, and "MOVE 23" for both the foreground and background.
- 1P Joystick: Moves camera.
- 1P Button 1 + 1P Joystick: Moves camera at 2x speed.
- 1P Button 1 + 1P Button 2: Selects between free-movement mode, 16x16 movement mode, and 32x32 movement mode.
MOVE OBJ
Largely the same as "MOVE 23", except for the addition of an on-screen cursor. The value at the top-right displays the collision ID of the tile the cursor is on.
(Same controls as MOVE 2 / MOVE 3 / MOVE 23)
STAG no.
Changes the loaded stage.
- 1P Up/Right: Increments stage value.
- 1P Down/Left: Decrements stage value.
ETC
Does nothing on this menu.
Background Color Change
Changes the service menu's background color.
- 1P Left/Right: Selects between L (Light), R, G, and B.
- 1P Up/Down: Changes currently selected LRGB value.
Object 2 Test
Seems to be an animation viewer for sprites, but it doesn't seem to work properly here.
DISP A
Identical to the standard Object Test viewer.
- 1P Up/Down: Scroll through tiles.
- 1P Button 1 + 1P Up / Down: Scrolls through tiles at 2x speed.
- 1P Left/Right: Changes color palette.
DISP B
Blanks the tile viewer. Actual purpose unknown.
MOVE
Brings up an "Animation" sub-menu.
- 1P Up/Down: Changes currently selected variable.
- 1P Left/Right: Selects between MODE (Sprite size), TIME (Frame animation delay?), "START" (Starting frame for an animation), and "END" (Ending frame for an animation).
STAG
Loads stage-specific palettes.
- 1P Up/Right: Increments stage value.
- 1P Down/Left: Decrements stage value.
TRNS SEND
Displays the values of the Animation sub-menu. Actual purpose unknown.
Unused Graphics
Unused Music
ID | Track | Notes |
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01 | This is used for the attract mode in home ports of the game, but the arcade version is completely silent even with the demo sounds turned on. | |
15 | An earlier version of the ending track. This actually syncs up much better with the ending credits than the final music choice. | |
1D | A short jingle that would play over other music. Possibly meant as an extra life jingle, but there's no way to get extra lives in the actual game. |
Forgotten Worlds Easter Egg
Track 1E is used in the game, but the method to do it is obscure and doesn't seem to be documented anywhere. Hit the mini-boss of Round 2 before the cannons in his arena fully rise up to play this track. This is one of the boss themes from Forgotten Worlds, the first CP System game.
Regional Differences
Title Screen
Japan | International |
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Credit Sound
In the Japanese version, the "coin inserted" noise is someone saying "がんばって ね" (Which means "Do your best"). In other regions, it's a cheery jingle.
Sound 5F: Japan | Sound 74: International |
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Jumping
In the Japanese version, if you hold Up and jump with the Boots item, you will jump 16 pixels higher. In other regions of the game, this is the default jump height and it can't be changed.
Starting in Round 4-1 in the Japanese version, you no longer have the Boots item at the beginning of stages and must collect them from certain treasure chests. In the international versions, you always have the boots at the start of a stage. All of the Boots chests have been replaced with 100-Coin chests.
Final Key
There's an item that only appears in the Japanese version: the Final Key. This item is obtained by slashing at Riepotmahn's chair until a chest pops out. The key is inside the chest.
This key serves a special purpose. If Riepotmahn's second form is defeated with the key obtained, he will drop a chest with the second Dragon Blue Eyes item inside. Without this item, the player can't get the true ending.
In the international versions, Riepotmahn will always drop the second Dragon Blue Eyes in place of the scroll he normally drops. However, the bad ending can still be seen by letting the Eye stay on-screen until it disappears.
Mystery of the Captive Women
In the Japanese version, starting in Round 4-1, there are tied-up blue-haired and blonde-haired women that the player can save. Both women use the same design, they're just palette-swapped.
- The blue-haired women give 1000 points, kiss the player, and give them a hint.
- The blond-haired women give 500 points and disappear when they reach the ground.
In the international versions, these women don't appear in-game, but they're still present in the game's code. At the start of the initialization routine for the captive women, the game checks the region ID word at FF101E and if the value is non-zero, the routine is exited and the woman disappears. Place this MAME code in mtwins.xml or chikij.xml to skip this check:
mtwins | chikij |
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<cheat desc="Reactivate Captive Women"> <script state="run"> <action>maincpu.mw@01F258=4E71</action> <action>maincpu.mw@01F25A=4E71</action> </script> <script state="off"> <action>maincpu.mw@01F258=6600</action> <action>maincpu.mw@01F25A=0354</action> </script> </cheat> |
<cheat desc="Reactivate Captive Women"> <script state="run"> <action>maincpu.mw@01F27E=4E71</action> <action>maincpu.mw@01F280=4E71</action> </script> <script state="off"> <action>maincpu.mw@01F27E=6600</action> <action>maincpu.mw@01F280=0354</action> </script> </cheat> |
By disabling the check, we can see that not only are the hints translated, but the sprites for the kidnapped women use a completely different design! It seems that at some point, rather than just removing them entirely, the captive women would just use an older-looking design in international versions of the game. Apparently even that was still too risque.
Japan | International |
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Interestingly, the Japanese flyer for the game features both designs, suggesting that originally the younger-looking blue-haired women would give hints, and the older-looking blonde-haired women would give point bonuses.
Here are all the translated hints:
Round 4-1 |
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Thank you. If you save us. I'll give you some hints. |
Beware the monster castle. It is very dangerous. |
Benrasp Attacks by jumping on his opponents. You should study his timing. |
Round 4-2 |
Try to find as many hidden items as possible. |
When you think excitement, think CAPCOM. |
A wall may jump in front of you. It will injure you, so be carefull. |
Also, beware of Scorpio's venom. It can paralyze you. |
Round 4-3 |
Thank you. I thought I was going to become an old woman here. In the Japanese version, the text (translated) is, |
Up ahead you may meet a monster who is an excellent swordsman. It was he who destroyed your kingdom. |
Rumor has it that monsters are actively searching for the Dragon Blue Eyes. The first line is actually one character too long. |
Monsters are so unsophisticated. Utterly boring. Another difference, the Japanese hint is: |
Curacura is vulnerable when he spreads his wings. |
Round 4-4 |
I know the dragon blue eyes is a legendary stone which can make ALUREA a paradise again. |
The Dragon Blue Eyes!? Why do you have it? |
Attack Navitank when he stops moving backwards. |
Round 4-5 |
"When the dragon's eyes turn pole, the dark shall vanish and time shall stop." Is there really a connection between the legend and this stone? |
The great RIEPOTMAHN is believed to live at the top of the tower, but I don't now how to get up there. |
The following hints are present in the ROM but not used:
When I was caught, I was scared to death. But I was disappointed a little bit. |
Maybe you can try to build a bridge and go up. These are probably follow-up hints to the second |
Cut the pillars, and you can use them to make a bridge. |
To continue your adventure, add one more coin. In the Japanese game, there's a third kidnapped |
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