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Rainbow Walker / Countdown

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Downloads: 1,730
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Comments (6)
rave.N - 08/02/2016
Countdown, see the game "Kangaroo" for a more convenient demo of the same color flicker bug, wont have to wait like 10 mins for the rocket launch to see it. Kangaroo has both model 800 and model 5200 versions they act alike, bug on my best emulator, maybe not everybody's emulators.

I've identified so many bugs in the latest Atari800MacX v4.6, they stopped releasing updates long ago. The next update will probably stop supporting Tiger OS/PowerPC but I wish they wouldn't.

See "Megalegs" for the bad smooth scrolling, see "Stellar Shuttle" for collision detect bug where PMG meets artifacting (old vs. new artifacting, I forget which), see "Choplifter!" (1982) and "Death By Solitaire" for rendering bug where PMG meets artifacting, and see "Ultima IV" / "Ultima V" for everything wrong with artifacting in general.
rave.N - 03/01/2016
Nukes are all about cheating. As mentioned,
C O U N T D O W N

CHEAT MODES unlimited shield (lives), disk image. Change 3 bytes $38 $E9 $01 (with $8D $DB $81) into $EAEAEA, found here at offsets 1BFE,1BFF,1C00

CHEAT MODES unlimited explosives, disk image. Change 3 bytes $38 $E9 $01 (with $85 $D8) into $EAEAEA, found here at offsets 281F,2820,2821

CHEAT MODES unlimited ammo, disk image. Change the 2 byte sequence $C6 $D7 into $EAEA, found here at offsets $2857, $2858

Might as well duplicate the disk image then bundle all 3 cheats together, calling it "Countdown Cheater". This also works on your favorite file-version of the game.

There's an emulation bug in NTSC but not PAL, in which the rocket when lifting off should flicker its tail flame between red and yellow so that it appears to glow orange. My emu only sparsely intermittently changes the color, it's mostly all red or all yellow, but if I rapidly pause/unpause during liftoff some flickering shows thru.

Another quirk Countdown has is the Reset button wasn't originally trapped, then those crackers who tried mostly ended up with either broken graphics or broken sound after pressing Reset. Trapping Reset involves more work than usual on this game, it can be done, I just succeeded.
sparkle - 23/12/2015
must see Comments for "Rainbow Walker" in the non-Countdown entry(s) found in Atarimania's games database. werks best in PAL mode, how to get unlimited lives, more...
meddle - 22/08/2015
Countdown needs a game listing of its own. Now it only appears here joined to Rainbow Walker. Countdown is best played with its cheat version, unlimited ammo, unlimited tnt, unlimited shield. If nukes were anything but ficticious, countdown would be a true story.
cohones - 11/11/2013
Both games awesome!
Paul Westphal - 07/01/2009
Sweet! This is one helluva fun game. This is a good example of great programming. I rate it right up there with alley cat in terms of replayability. Kid's love this game too!
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Screenshots

Rainbow Walker / Countdown atari screenshot
Rainbow Walker / Countdown atari screenshot
Rainbow Walker / Countdown atari screenshot
Rainbow Walker / Countdown atari screenshot
Rainbow Walker / Countdown atari screenshot
Rainbow Walker / Countdown atari screenshot

Information

GenreVariousYear1984
LanguageMachine LanguagePublisherSynapse Software
ControlsJoystickDeveloper-
Players1, DemoCountryUSA
Programmer(s)

Coleman, Steve / Rose, Ken

LicenseCommercial
Graphic Artist(s)

-

Medium Disk 
Sound

-

Rarity   
Cover Artist(s)Boxell, TimSerialATDSK-2501
Dumpdownload atari Rainbow Walker / Countdown Download

Additional Comments

Two games:
Rainbow Walker
Countdown (never released on its own)

Missing original disk images!

Disk

Rainbow Walker / Countdown Atari disk scan Rainbow Walker / Countdown Atari disk scan 
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