ZX81 Programs


Read about, play, run, or list games, animations, and more. These are my programs from the ’80s to today.
**1985**SLR/1985*******
**1985**SLR/1985*******
Hit any key to clear the land, but don’t clear too much!
List Run ZIP
**3D IMAGE**SLR/1984***
**3D IMAGE**SLR/1984***
A ZX81 animation experiment using a super nova as its subject.
List Run ZIP
**A STORY**SLR/1983****
**A STORY**SLR/1983****
Use the ZX81 to create a story.
List Run ZIP
**THE BALL**SLR/1983**
**THE BALL**SLR/1983**
A bouncing ball animation.
List Run ZIP
**THE BALL**SLR/1983/2012/2014**
**THE BALL**SLR/1983/2012/2014**
A bouncing ball animation. Use “Q” to quite between BASIC and Machine Code version. In MC version, use “6” and “7” to speed up or slow down the animation.
List Run ZIP
****BEO ONE****SLR/1984
****BEO ONE****SLR/1984
A talking head! Feed it some words, and watch Beo speak them!
List Run ZIP
**BONKERS**SLR/1985****
**BONKERS**SLR/1985****
Avoid the O's to win the game! Use cursor keys to move.
List Run ZIP
*BONKERS*SLR/1985/2012*
*BONKERS*SLR/1985/2012*
Avoid the O's to win the game! Use cursor keys to move.
List Run ZIP
**BLAST OFF**SLR/1985**
**BLAST OFF**SLR/1985**
Type the sequence of letters in time to launch on time.
List Run ZIP
**BOLT**SLR/1984*******
**BOLT**SLR/1984*******
Simple graphic program of a lightning bolt, should just run!
List Run ZIP
*BLOCK £ SPEAR*SLR/1984
*BLOCK £ SPEAR*SLR/1984
Don't get run through with the other Knight's lance! Use
List Run ZIP
**BUGERS**SLR/1985*****
**BUGERS**SLR/1985*****
Use Z (left), X (right), and M (up) to block attacks.
List Run ZIP
*CODE IV*SLR/1985,2017*
*CODE IV*SLR/1985,2017*
Your help is needed to crack into the computer and disable the floor grid.
List Run ZIP
**COMPUTACT**SLR/1984**
**COMPUTACT**SLR/1984**
Run the trench using the 5 and 8 keys and land your ship to destroy the COMPUTACT.
List Run ZIP
**CAN PUNCH**SLR/1984**
**CAN PUNCH**SLR/1984**
Use Z (up) and . (down) to punch the can.
List Run ZIP
**CREATURE**SLR/1985***
**CREATURE**SLR/1985***
Watch the Dungeon Master deflect your attempts to defeat him.
List Run ZIP
*CANYON RAIDER*SLR/1983
*CANYON RAIDER*SLR/1983
Steer your ship with 'Z' and 'X' to avoid objects or capture fuel. Use 'M' to break things.
List Run ZIP
**COMP. TALK**SLR/1983*
**COMP. TALK**SLR/1983*
Introduction to the ZX81.
List Run ZIP
**CAVE WAR**SLR/1985***
**CAVE WAR**SLR/1985***
Use “Z” and “.” to move left and right. Use “X” to destroy blocks.
List Run ZIP
**DICE GAME**SLR/1983**
**DICE GAME**SLR/1983**
A simple high/low dice game.
List Run ZIP
**DRAGONS LAIR SLR/1985
**DRAGONS LAIR SLR/1985
My version of the classic arcade game. Use 'Z' for left, 'X' for right, 'M' for up and '.' for down.
List Run ZIP
**DOLLAR SIGN**SLR/1984
**DOLLAR SIGN**SLR/1984
Quickly get to the goal without hitting a bomb using the 5-8 arrow keys.
List Run ZIP
**ELECTON****SLR/1983**
**ELECTON****SLR/1983**
Try to capture the erratic Electon in your light field using Z for up, X for down, N for left and M for right.
List Run ZIP
**ENLARGER**SLR/1984***
**ENLARGER**SLR/1984***
Program that enlargers a moon in multiple frames.
List Run ZIP
**ENLARGER+**SLR/1984**
**ENLARGER+**SLR/1984**
An updated version that saves the frames and displays in real time.
List Run ZIP
**E.T.**SLR/1985*******
**E.T.**SLR/1985*******
Help E.T. the extra terrestrial get home safely!
List Run ZIP
**E.T.**SLR/1985-2012**
**E.T.**SLR/1985-2012**
E.T. Machine Code version, use A for up, Z for down, N for left, and M for right.
List Run ZIP
**FALLER**SLR/1984*****
**FALLER**SLR/1984*****
Avoid the creepy crawlies or you might fall! Use Z and . to move, M to stop the creepers.
List Run ZIP
**FIREBALL**SLR/1984***
**FIREBALL**SLR/1984***
Dodge the fireballs using 'Z' for down and '.' for up.
List Run ZIP
**FLY**SLR/1984********
**FLY**SLR/1984********
**FLYWHEEL**SLR/1985***
**FLYWHEEL**SLR/1985***
Avoid oncoming cars in this night time driving game.
List Run ZIP
**GOLF**SLR/1983*******
**GOLF**SLR/1983*******
Play 18 holes of golf in this simple graphic/physics game.
List Run ZIP
**HIT MAN**SLR/1983****
**HIT MAN**SLR/1983****
Dodge the walls using Z (left) and . (right).
List Run ZIP
Input Two*SLR/1984
Input Two*SLR/1984
Enter ten words and be amazed.
List Run ZIP
INPUT ONE**SLR/1984
INPUT ONE**SLR/1984
A simple input demonstration.
List Run ZIP
**JET FLYER**SLR/1984**
**JET FLYER**SLR/1984**
Use Z (left) and . (right) to stay on course (closest to 0) and not crash.
List Run ZIP
**JOUST**SLR/1984******
**JOUST**SLR/1984******
Another classic arcade game! Look out for the hand!
List Run ZIP
**LANDER 2**SLR/1983***
**LANDER 2**SLR/1983***
Land your ship in as few moves and as much as possible.
List Run ZIP
**LOCK £ FIRE**SLR/1985
**LOCK £ FIRE**SLR/1985
Lock on and kill the aliens before they kill you! Use ZXM. (left, up, down, right) to move, L to lock, then F to fire.
List Run ZIP
**LASER BLAST**SLR/1984
**LASER BLAST**SLR/1984
Save the world by firing your laser with
List Run ZIP
**LIGHT WALLS**SLR/1983
**LIGHT WALLS**SLR/1983
Use Z (left) and . (right) to avoid the walls.
List Run ZIP
**MATH BASH*SLR/1984**
**MATH BASH*SLR/1984**
Solve math problems to save the planet from the aliens.
List Run ZIP
**MAZE CRAZE**SLR/1984*
**MAZE CRAZE**SLR/1984*
A twisty, turvy 3D maze game!
List Run ZIP
**MAZE CRAZE**SLR/1984*
**MAZE CRAZE**SLR/1984*
A twisty, turvy 3D maze game!
List Run ZIP
MISSILE DEFENSE*SLR1983
MISSILE DEFENSE*SLR1983
How long can you last against the missile onslaught? Use Z to move right, X to move left, and . to fire.
List Run ZIP
MONSTER MAKER*SLR/1983
MONSTER MAKER*SLR/1983
Enter 5 numbers and a name and your results are ready for printing.
List Run ZIP
**MONKEY MAZE**SLR/1993
**MONKEY MAZE**SLR/1993
Use the cursor keys (5,6,7,8) to dodge the barrels and save the princess.
List Run ZIP
**TABULAR**SLR/1983****
**TABULAR**SLR/1983****
A word processor for the ZX81 that prints lower case letters to the printer!
List Run ZIP
**NA**SLR/1985******
**NA**SLR/1985******
Use the N and A key's to defeat the NA runner, if you can!
List Run ZIP
**ODYSSEY**SLR/1984****
**ODYSSEY**SLR/1984****
To move use Z (left) and . (right); use M to remove memory card.
List Run ZIP
**PARACHUTE**SLR/1985
**PARACHUTE**SLR/1985
Can you parachute to safety? Press any key to jump.
List Run ZIP
**POLE DODGE**SLR/1984*
**POLE DODGE**SLR/1984*
Use Z (left) and . (right) to dodge the incoming poles.
List Run ZIP
*POLE DODGE 2*SLR/2012*
*POLE DODGE 2*SLR/2012*
How high can you score flying around the incoming poles.
List Run ZIP
**PHOTON**SLR/1985
**PHOTON**SLR/1985
A fiery photon torpedo being shot at an enemy vessel.
List Run ZIP
**PHOTON**SLR/1985/98**
**PHOTON**SLR/1985/98**
Updated/cleaned version of Photon.
List Run ZIP
*THE PICTURE**SLR/1984*
*THE PICTURE**SLR/1984*
Watch the ZX81 draw a picture.
List Run ZIP
**PAC-MAN**SLR/1983****
**PAC-MAN**SLR/1983****
Choose number of dots to eat without getting eaten.
List Run ZIP
*PAC-MAN VIDEO*SLR/1983
*PAC-MAN VIDEO*SLR/1983
Random fun, no skill required.
List Run ZIP
remplot
*ROAD HOG ML**SLR/2012*
*ROAD HOG ML**SLR/2012*
Machine Language version of Road Hog. Use Z (left) and . (right) to dodge the incoming cars.
List Run ZIP
**RMS**SLR/1983********
**RMS**SLR/1983********
Randomly generate some basic monster statistics for adventure games.
List Run ZIP
**RUNNER**SLR/1986*****
**RUNNER**SLR/1986*****
Last game I wrote on my ZX81.
List Run ZIP
**ROAD HOG**SLR/1983***
**ROAD HOG**SLR/1983***
Use Z (left) and . (right) to dodge the incoming cars.
List Run ZIP
**RAIDER V*SLR/1984****
**RAIDER V*SLR/1984****
Avoid the enemies using 'Z' for left and '.' for right.
List Run ZIP
*SUGAR CUBE MUNCH*SLR83
*SUGAR CUBE MUNCH*SLR83
Simple movement game, clear the board as fast as possible! Use arrow keys (5678) to move.
List Run ZIP
**STAR DODGE*SLR/1984**
**STAR DODGE*SLR/1984**
Use “Z” and “.” to dodge the stars!
List Run ZIP
STAR FIGHT/SLR 1983
STAR FIGHT/SLR 1983
Prevent the Star Fighter from getting past your sights!
List Run ZIP
*SPACE LANDER*SLR/1983*
*SPACE LANDER*SLR/1983*
Move the lander and hope to find the best landing site!
List Run ZIP
SPACE LANDER 2011
SPACE LANDER 2011
Steer your space lander on the pad without crashing, rewritten version of Space Lander with some fun added.
List Run ZIP
**S.M.P.******SLR/1984*
**S.M.P.******SLR/1984*
Use NEWLINE for a space and RIGHT ARROW (shift-8) to scroll.
List Run ZIP
*SPIDERS£FLIES*SLR/1985
*SPIDERS£FLIES*SLR/1985
You are a young Venus Flytrap trying to survive. Use the arrow keys (5678) to move.
List Run ZIP
SNUNCH ML*SLR 1983/2013
SNUNCH ML*SLR 1983/2013
Updated SNUNCH! Avoid the ghost and exploding pills. Use A for up, Z for down, N for left, and M for right.
List Run ZIP
**SNUNCH**SLR/1983**
**SNUNCH**SLR/1983**
A Pac-Man type clone, sort of!
List Run ZIP
**SPACE DOCK**SLR/1984*
**SPACE DOCK**SLR/1984*
Watch the shuttle head to space for docking.
List Run ZIP
**SPHERE**SLR/1984*****
**SPHERE**SLR/1984*****
A simple graphic program that plots a sphere. Runs in FAST mode, press any key to pause and show progress.
List Run ZIP
**STAR PROBE**SLR/1984*
**STAR PROBE**SLR/1984*
Lost in space without memory, can you figure out your controls before something bad happens?
List Run ZIP
**STAR WARS**SLR/2017**
**STAR WARS**SLR/2017**
A short animation using a sketch from 1983.
List Run ZIP
**STICK SHIFT**SLR/1985
**STICK SHIFT**SLR/1985
Use arrow keys to turn (5,8) and shift (6,7) to dodge the dangers of the road.
List Run ZIP
**STUD**SLR/1984*******
**STUD**SLR/1984*******
A simple betting hi/low card game.
List Run ZIP
tabular
**TRAIL BLAZER*SLR/1984
**TRAIL BLAZER*SLR/1984
Run the enemy into your trail using arrow keys. Be careful not to crash yourself.
List Run ZIP
**TARANTULA**SLR/1984**
**TARANTULA**SLR/1984**
Avoid the tarantula's and stalactites.
**TELAPORT**SLR/1984**
**TELAPORT**SLR/1984**
Use the arrow keys (5,6,7,8) to grab cubes, avoid monsters and jump into the teleport to escape.
List Run ZIP
*THE HAUNTING**SLR/1985
*THE HAUNTING**SLR/1985
Weird ZX81 music
List Run ZIP
**THYIME**SLR/1984*****
**THYIME**SLR/1984*****
Use Z (left), . (right), and X (fire) to save the worlds.
List Run ZIP
**TILES**SLR/2013****
Prototype tile adventure game.
List Run ZIP
**TIME**SLR/1985*******
**TIME**SLR/1985*******
Using the “Z”¯ and “.” keys, you maneuver your craft to each successive landing pad.
List Run ZIP
*TIC-TAC-TOE**SLR/1983*
*TIC-TAC-TOE**SLR/1983*
A simple tic-tac-toe game. Just enter the number for where you want to move.
List Run ZIP
**T.W.M.**SLR/1985*****
**T.W.M.**SLR/1985*****
Tactical War Machine, a simple animation using BASIC.
List Run ZIP
**UP-CAKE**SLR/1985****
**UP-CAKE**SLR/1985****
Use “Z” and “.” to eat the cakes, but watch out for the burnt ones!
List Run ZIP
**VARGEN CROWN*SLR/1984
**VARGEN CROWN*SLR/1984
Find the key to the castle.
List Run ZIP
V WATER BATTLE*SLR/1984
V WATER BATTLE*SLR/1984
Save the water! Use “Z” and “.” to move, M to fire.
List Run ZIP
**WATER BUG**SLR/1984**
**WATER BUG**SLR/1984**
Grab the treasure while avoiding the obstacles!
List Run ZIP
**WATER BUG DEMO**
**WATER BUG DEMO**
The title screen demo for Water Bug II.
List Run ZIP
**WATER BUG II*SLR/1984
**WATER BUG II*SLR/1984
Try to grab the treasure again!
List Run ZIP
**WIZERDRY**SLR/1983***
**WIZERDRY**SLR/1983***
A boiling cauldron and bottle smoke up some words.
List Run ZIP
*** ZX MASTER MIND ***
*** ZX MASTER MIND ***
Guess the right 3 numbers, including order.
List Run ZIP