Ozyr's Astrocade (Bally Arcade) Instruction Site
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Alien ships come at your missile launcher from every direction. They peel off from their formation singly or in groups of two and threes. The more aliens you destroy, the more of their reinforcements attack. Each ship is piloted by a highly skilled captain capable of maneuvering with incredible agility. Realistic sounds add to the intensity. Up to 4 players.


1. Turn on your Astrocade and TV set. Select channel 3 or 4.

2. Connect the hand controls by inserting control #1 into the first jack on the back left side (as you face the front of the Astrocade). From left to right, the jacks connect to players 1, 2, 4 and 3.

3. Insert the game cartridge, label side up, into the cartridge slot. Press down firmly to lock it into position.

3. Press the RESET button, and the menu of games will be displayed.

GALACTIC INVASION (1 to 4 players)

Aim your missiles at the alien ships and score points for each one hit! The colorful invaders spin around and soar across the screen in an attempt to destroy your base.

Excitement builds as they collide into (or bomb) one after another of your bases. Exploding several of their ships will make the aliens angry - they'll attack you with greater speed and force than ever before.


Choose Galactic Invasion by pressing 1 on the keypad or by using remote game selection (pull the trigger on hand control #1, turn the knob until 1 appears on the screen, then pull the trigger again).

Select the level of difficulty (0-9). At the easiest skill level (0), the alien ships destroy your base by crashing into it. As the levels become more difficult, the action becomes faster. At level 4, they start dropping bombs. With the higher levels, you engage in battle with more and more aliens at one time. They drop a larger number of bombs and descend with greater speed. By the time you reach level 9, it is next to impossible to survive the battle.

Choose the number of bases (1-9). You will have one base at a time which you will use as your missile launch pad. Your base will be shown on the lower part of the screen.

Enter the number of players (1-4).


The hand control functions for Galactic Invasion are:

Trigger Releases your missiles.
Knob Has no function.
Joystick   Moves your base left or right.

The object of the game is to reach the highest score by destroying as many alien ships as possible. You'll have to move quickly to avoid the ships which peel off from their formation in groups of one, two, three or four.

After you select the number of players, the alien ships will immediately appear on the screen and will start descending on your base. Fire your shots quickly and take evasive action to avoid their ships.

When you have shot down all but one of the aliens, the remaining ship will become enraged. It will attack with such fury that you'll have to move quickly to avoid it.

If you manage to shoot down a complete set of ships, you will hear the sounds of another troop coming to battle. Since the aliens will always be joined by reinforcements, you cannot hope to destroy them all. However, as your skill increases, you will be able to achieve higher and higher scores.

At the top of the screen, you will see each player's number and score. The current player's number is highlighted in a different color. Players take turns firing at the aliens until all bases have been destroyed. The number in the center shows the remaining bases for each player.


When your missile hits an alien ship, points are awarded based on the position of that ship. The point values for the ships, from top to bottom, are:

Top Row:
In rack
Diving with no escorts
Diving with 1 escort
Diving with 2 escorts, with at least 1 still diving  
Diving with 2 escorts, and neither still diving
Middle Row:
In rack
Bottom Row:
In rack


If a top row alien is hit during a dive, the ships will be stunned temporarily and they will cease firing for a moment. Take advantage of this time to move your base and fire another shot.

Also, the alien ships only drop bombs after their altitude is below the middle of the screen. Fire quickly and you will score more points.


To play Galactic Invasion again, press the RESET button and follow the instructions for starting the game.

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