README file for Ack-Ack Attack game ... by PLBM Games
File Updated: January 17, 2004
Registration information located at the bottom of this file.
You can register at: http://www.plbm.com
This program requires an IBM PC or compatible with at least VGA.
In general, faster systems will run the program more efficiently.
Sound Blaster Notes:
This program contains routines to play digital sound on a Sound
Blaster or compatible card. However, this program does NOT
contain autodetection routines. This program relies upon the
BLASTER= variable being set appropriately in your environment.
If the BLASTER= variable is set incorrectly, the program may
crash. If the BLASTER= variable is absent the program will
NOT attempt to use Sound Blaster sound.
Additionally you will need to have free EMS memory to hear
all digital sounds (they're too big to fit in conventional
memory). The sounds deemed "most important" to game play
will be loaded into conventional memory on a first-come, first-
served basis. To hear ALL sounds you will need enough EMS
free to fit the file ACKSFX.DBO. Check free EMS with the
MEM command under DOS.
Arrow Keys: rotate your gun turret left and right.
Ctrl: increase the rate of gun turret rotation (sweep more quickly)
1/Space: fire regular shots
2/S: fire "steerable" shots
3/H: spray normal shots (Hose 'Em Down)
4/G: fire gravity-bound shells
[P] - pause the game ([P] or enter to restart)
[J] - toggle joystick on/off
[Ctrl-J] - calibrate joystick
[F1] - Review this file (HELP)
[F2] - Display high score chart
[F5] - Toggle sound on/off
[F10] - Quit game, go to menu (Game Over)
[ESC] - Quit game, go to DOS
The object of the game is to destroy as many helicopters and
paratroopers as possible. If a paratrooper lands on the ground
he may still be hit by flying debris, another paratrooper free-
falling on top of him or by your gravity-bound shells.
There are three levels of play: Easy, Hard, and Insane.
You may select the level of play before the game starts.
The game also keeps track of your statistics, how many shots
fired, how many hits, how many choppers and troops hit, etc.
Keep in mind that you have until the START of the next sortie
to try and kill the troops on the ground, using the [G]ravity-
bound shells, or dropping burning wreckage on them. When the
next sortie starts, if there are more than four (4) troops
landed on either side of your base, the game will end.
Ack-Ack Attack is written in C and assembly language, and has
been optimized as much as possible. However on some older
systems performance may deteriorate when there are a lot of
shapes moving on the screen.
Every shot you fire costs points, according to the table below:
Type of shot Cost to fire
regular shells 1
steerable shells 2
gravity-bound shells 5
Item Destroyed Points Awarded
Parachutist (the little dude) 2
Parachute (the dude's chute) 4
If you have zero points you can continue to fire without
your score total going negative.
Ack-Ack Attack was created by Kurt W. Dekker exclusively for
PLBM Games, at http://www.plbm.com
Ack-Ack Attack is Copyright (c) 2004 PLBM Games and Kurt W. Dekker.
Contact email@example.com for support via email. You may also check
the following site for upgrades:
To order the full version of this game, send $9.95 registration fee
plus your email address to:
PLBM Games <firstname.lastname@example.org>
PO Box 10342 <http://www.plbm.com>
Costa Mesa, CA 92627
You may also visit our website and order online with a credit card.
Include your name, address, phone number and email to ensure rapid
All orders are fulfilled VIA EMAIL ONLY - NO DISKETTE WILL BE SENT!