Toggle navigation
Steven's ZX81 Computer
Topics
Programs
Search
Main
ZX81 Programs
Read about, play, run, or list games, animations, and more. These are my programs from the ’80s to today.
Home
ZX81
**1985**SLR/1985*******
Hit any key to clear the land, but don’t clear too much!
Read more…
List
Run
ZIP
**3D IMAGE**SLR/1984***
A ZX81 animation experiment using a super nova as its subject.
Read more…
List
Run
ZIP
am
List
Run
ZIP
aquarium
List
Run
ZIP
**A STORY**SLR/1983****
Use the ZX81 to create a story.
Read more…
List
Run
ZIP
**THE BALL**SLR/1983**
A bouncing ball animation.
Read more…
List
Run
ZIP
**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.
Read more…
List
Run
ZIP
bargraph
List
Run
ZIP
****BEO ONE****SLR/1984
A talking head! Feed it some words, and watch Beo speak them!
Read more…
List
Run
ZIP
blaster
List
Run
ZIP
blkhole
List
Run
ZIP
**BONKERS**SLR/1985****
Avoid the O's to win the game! Use cursor keys to move.
Read more…
List
Run
ZIP
*BONKERS*SLR/1985/2012*
Avoid the O's to win the game! Use cursor keys to move.
Read more…
List
Run
ZIP
**BLAST OFF**SLR/1985**
Type the sequence of letters in time to launch on time.
Read more…
List
Run
ZIP
bolder
List
Run
ZIP
**BOLT**SLR/1984*******
Simple graphic program of a lightning bolt, should just run!
Read more…
List
Run
ZIP
*BLOCK £ SPEAR*SLR/1984
Don't get run through with the other Knight's lance! Use
Read more…
List
Run
ZIP
**BUGERS**SLR/1985*****
Use Z (left), X (right), and M (up) to block attacks.
Read more…
List
Run
ZIP
catanim
List
Run
ZIP
cctrl
List
Run
ZIP
cgfxdd
List
Run
ZIP
charts
List
Run
ZIP
circles
List
Run
ZIP
*CODE IV*SLR/1985,2017*
Your help is needed to crack into the computer and disable the floor grid.
List
Run
ZIP
codes
List
Run
ZIP
collatz
List
Run
ZIP
**COMPUTACT**SLR/1984**
Run the trench using the 5 and 8 keys and land your ship to destroy the COMPUTACT.
Read more…
List
Run
ZIP
**CAN PUNCH**SLR/1984**
Use Z (up) and . (down) to punch the can.
Read more…
List
Run
ZIP
**CREATURE**SLR/1985***
Watch the Dungeon Master deflect your attempts to defeat him.
Read more…
List
Run
ZIP
*CANYON RAIDER*SLR/1983
Steer your ship with 'Z' and 'X' to avoid objects or capture fuel. Use 'M' to break things.
Read more…
List
Run
ZIP
**COMP. TALK**SLR/1983*
Introduction to the ZX81.
Read more…
List
Run
ZIP
**CAVE WAR**SLR/1985***
Use “Z” and “.” to move left and right. Use “X” to destroy blocks.
Read more…
List
Run
ZIP
deathmaze
List
Run
ZIP
**DICE GAME**SLR/1983**
A simple high/low dice game.
Read more…
List
Run
ZIP
digitalrain
List
Run
ZIP
**DRAGONS LAIR SLR/1985
My version of the classic arcade game. Use 'Z' for left, 'X' for right, 'M' for up and '.' for down.
Read more…
List
Run
ZIP
**DOLLAR SIGN**SLR/1984
Quickly get to the goal without hitting a bomb using the 5-8 arrow keys.
Read more…
List
Run
ZIP
**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.
Read more…
List
Run
ZIP
**ENLARGER**SLR/1984***
Program that enlargers a moon in multiple frames.
Read more…
List
Run
ZIP
enlarger
List
Run
ZIP
**ENLARGER+**SLR/1984**
An updated version that saves the frames and displays in real time.
Read more…
List
Run
ZIP
**E.T.**SLR/1985*******
Help E.T. the extra terrestrial get home safely!
Read more…
List
Run
ZIP
et23
List
Run
ZIP
**E.T.**SLR/1985-2012**
E.T. Machine Code version, use A for up, Z for down, N for left, and M for right.
Read more…
List
Run
ZIP
**FALLER**SLR/1984*****
Avoid the creepy crawlies or you might fall! Use Z and . to move, M to stop the creepers.
Read more…
List
Run
ZIP
fastcat
List
Run
ZIP
**FIREBALL**SLR/1984***
Dodge the fireballs using 'Z' for down and '.' for up.
Read more…
List
Run
ZIP
fizzbuzz
List
Run
ZIP
fizzbuzz2
List
Run
ZIP
**FLY**SLR/1984********
Move left
Read more…
List
Run
ZIP
**FLYWHEEL**SLR/1985***
Avoid oncoming cars in this night time driving game.
Read more…
List
Run
ZIP
**GOLF**SLR/1983*******
Play 18 holes of golf in this simple graphic/physics game.
Read more…
List
Run
ZIP
gq2016
List
Run
ZIP
halloween
List
Run
ZIP
here
List
Run
ZIP
hit
List
Run
ZIP
**HIT MAN**SLR/1983****
Dodge the walls using Z (left) and . (right).
Read more…
List
Run
ZIP
Input Two*SLR/1984
Enter ten words and be amazed.
Read more…
List
Run
ZIP
infmaze
List
Run
ZIP
INPUT ONE**SLR/1984
A simple input demonstration.
Read more…
List
Run
ZIP
**JET FLYER**SLR/1984**
Use Z (left) and . (right) to stay on course (closest to 0) and not crash.
Read more…
List
Run
ZIP
**JOUST**SLR/1984******
Another classic arcade game! Look out for the hand!
Read more…
List
Run
ZIP
kimmie
List
Run
ZIP
lander
List
Run
ZIP
**LANDER 2**SLR/1983***
Land your ship in as few moves and as much as possible.
Read more…
List
Run
ZIP
laserc
List
Run
ZIP
**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.
Read more…
List
Run
ZIP
**LASER BLAST**SLR/1984
Save the world by firing your laser with
Read more…
List
Run
ZIP
**LIGHT WALLS**SLR/1983
Use Z (left) and . (right) to avoid the walls.
Read more…
List
Run
ZIP
mazegen
List
Run
ZIP
mazegen2
List
Run
ZIP
**MATH BASH*SLR/1984**
Solve math problems to save the planet from the aliens.
Read more…
List
Run
ZIP
mbs
List
Run
ZIP
mbscgfx
List
Run
ZIP
mbsmc
List
Run
ZIP
mbssplit
List
Run
ZIP
**MAZE CRAZE**SLR/1984*
A twisty, turvy 3D maze game!
Read more…
List
Run
ZIP
**MAZE CRAZE**SLR/1984*
A twisty, turvy 3D maze game!
Read more…
MISSILE DEFENSE*SLR1983
How long can you last against the missile onslaught? Use Z to move right, X to move left, and . to fire.
Read more…
List
Run
ZIP
mi
List
Run
ZIP
ml
List
Run
ZIP
mlprtscrl2
List
Run
ZIP
mlv2
List
Run
ZIP
MONSTER MAKER*SLR/1983
Enter 5 numbers and a name and your results are ready for printing.
Read more…
List
Run
ZIP
**MONKEY MAZE**SLR/1993
Use the cursor keys (5,6,7,8) to dodge the barrels and save the princess.
Read more…
List
Run
ZIP
monster
List
Run
ZIP
**TABULAR**SLR/1983****
A word processor for the ZX81 that prints lower case letters to the printer!
Read more…
**NA**SLR/1985******
Use the N and A key's to defeat the NA runner, if you can!
Read more…
List
Run
ZIP
**ODYSSEY**SLR/1984****
To move use Z (left) and . (right); use M to remove memory card.
Read more…
List
Run
ZIP
op
List
Run
ZIP
**PARACHUTE**SLR/1985
Can you parachute to safety? Press any key to jump.
Read more…
List
Run
ZIP
pc
List
Run
ZIP
**POLE DODGE**SLR/1984*
Use Z (left) and . (right) to dodge the incoming poles.
Read more…
List
Run
ZIP
*POLE DODGE 2*SLR/2012*
How high can you score flying around the incoming poles.
Read more…
List
Run
ZIP
**PHOTON**SLR/1985
A fiery photon torpedo being shot at an enemy vessel.
Read more…
List
Run
ZIP
**PHOTON**SLR/1985/98**
Updated/cleaned version of Photon.
Read more…
List
Run
ZIP
picasm
List
Run
ZIP
*THE PICTURE**SLR/1984*
Watch the ZX81 draw a picture.
Read more…
List
Run
ZIP
picuse
List
Run
ZIP
pim
List
Run
ZIP
pitfallsim
List
Run
ZIP
**PAC-MAN**SLR/1983****
Choose number of dots to eat without getting eaten.
Read more…
List
Run
ZIP
*PAC-MAN VIDEO*SLR/1983
Random fun, no skill required.
Read more…
List
Run
ZIP
prtscrl
List
Run
ZIP
prtscrl2
List
Run
ZIP
ps2infmaze
List
Run
ZIP
pu
List
Run
ZIP
pylonv
List
Run
ZIP
raceway
List
Run
ZIP
re
List
Run
ZIP
remplot
*ROAD HOG ML**SLR/2012*
Machine Language version of Road Hog. Use Z (left) and . (right) to dodge the incoming cars.
Read more…
List
Run
ZIP
**RMS**SLR/1983********
Randomly generate some basic monster statistics for adventure games.
Read more…
List
Run
ZIP
**RUNNER**SLR/1986*****
Last game I wrote on my ZX81.
Read more…
List
Run
ZIP
road
List
Run
ZIP
**ROAD HOG**SLR/1983***
Use Z (left) and . (right) to dodge the incoming cars.
Read more…
List
Run
ZIP
run2ml
List
Run
ZIP
run3ml
List
Run
ZIP
runml
List
Run
ZIP
runtest
List
Run
ZIP
**RAIDER V*SLR/1984****
Avoid the enemies using 'Z' for left and '.' for right.
Read more…
List
Run
ZIP
sc
List
Run
ZIP
*SUGAR CUBE MUNCH*SLR83
Simple movement game, clear the board as fast as possible! Use arrow keys (5678) to move.
Read more…
List
Run
ZIP
scrollex
List
Run
ZIP
**STAR DODGE*SLR/1984**
Use “Z” and “.” to dodge the stars!
Read more…
List
Run
ZIP
STAR FIGHT/SLR 1983
Prevent the Star Fighter from getting past your sights!
Read more…
*SPACE LANDER*SLR/1983*
Move the lander and hope to find the best landing site!
Read more…
List
Run
ZIP
SPACE LANDER 2011
Steer your space lander on the pad without crashing, rewritten version of Space Lander with some fun added.
Read more…
List
Run
ZIP
slowdown
List
Run
ZIP
**S.M.P.******SLR/1984*
Use NEWLINE for a space and RIGHT ARROW (shift-8) to scroll.
Read more…
List
Run
ZIP
snake
List
Run
ZIP
*SPIDERS£FLIES*SLR/1985
You are a young Venus Flytrap trying to survive. Use the arrow keys (5678) to move.
Read more…
List
Run
ZIP
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.
Read more…
List
Run
ZIP
**SNUNCH**SLR/1983**
A Pac-Man type clone, sort of!
Read more…
List
Run
ZIP
spaceship
List
Run
ZIP
**SPACE DOCK**SLR/1984*
Watch the shuttle head to space for docking.
Read more…
List
Run
ZIP
**SPHERE**SLR/1984*****
A simple graphic program that plots a sphere. Runs in FAST mode, press any key to pause and show progress.
Read more…
List
Run
ZIP
srncp
List
Run
ZIP
star
List
Run
ZIP
starfight
List
Run
ZIP
**STAR PROBE**SLR/1984*
Lost in space without memory, can you figure out your controls before something bad happens?
Read more…
List
Run
ZIP
starproberedo
List
Run
ZIP
startrek
List
Run
ZIP
**STAR WARS**SLR/2017**
A short animation using a sketch from 1983.
Read more…
List
Run
ZIP
**STICK SHIFT**SLR/1985
Use arrow keys to turn (5,8) and shift (6,7) to dodge the dangers of the road.
Read more…
List
Run
ZIP
**STUD**SLR/1984*******
A simple betting hi/low card game.
Read more…
List
Run
ZIP
t1
List
Run
ZIP
ta
List
Run
ZIP
tabular
List
Run
ZIP
**TRAIL BLAZER*SLR/1984
Run the enemy into your trail using arrow keys. Be careful not to crash yourself.
Read more…
List
Run
ZIP
td
List
Run
ZIP
**TARANTULA**SLR/1984**
Avoid the tarantula's and stalactites.
Read more…
**TELAPORT**SLR/1984**
Use the arrow keys (5,6,7,8) to grab cubes, avoid monsters and jump into the teleport to escape.
Read more…
List
Run
ZIP
test
List
Run
ZIP
*THE HAUNTING**SLR/1985
Weird ZX81 music
Read more…
List
Run
ZIP
themonster
List
Run
ZIP
**THYIME**SLR/1984*****
Use Z (left), . (right), and X (fire) to save the worlds.
Read more…
List
Run
ZIP
**TILES**SLR/2013****
Prototype tile adventure game.
List
Run
ZIP
tiles32
List
**TIME**SLR/1985*******
Using the “Z”¯ and “.” keys, you maneuver your craft to each successive landing pad.
Read more…
List
Run
ZIP
tol
List
Run
ZIP
trenchrunner1
List
Run
ZIP
trenchrunner2
List
Run
ZIP
ts
List
Run
ZIP
*TIC-TAC-TOE**SLR/1983*
A simple tic-tac-toe game. Just enter the number for where you want to move.
Read more…
List
Run
ZIP
**T.W.M.**SLR/1985*****
Tactical War Machine, a simple animation using BASIC.
Read more…
List
Run
ZIP
**UP-CAKE**SLR/1985****
Use “Z” and “.” to eat the cakes, but watch out for the burnt ones!
Read more…
List
Run
ZIP
ufo
List
Run
ZIP
usflag
List
Run
ZIP
**VARGEN CROWN*SLR/1984
Find the key to the castle.
Read more…
List
Run
ZIP
venture
List
Run
ZIP
V WATER BATTLE*SLR/1984
Save the water! Use “Z” and “.” to move, M to fire.
Read more…
List
Run
ZIP
**WATER BUG**SLR/1984**
Grab the treasure while avoiding the obstacles!
Read more…
List
Run
ZIP
**WATER BUG DEMO**
The title screen demo for Water Bug II.
Read more…
List
Run
ZIP
**WATER BUG II*SLR/1984
Try to grab the treasure again!
Read more…
List
Run
ZIP
windmill
List
Run
ZIP
**WIZERDRY**SLR/1983***
A boiling cauldron and bottle smoke up some words.
Read more…
List
Run
ZIP
wztest
List
Run
ZIP
xmastree
List
Run
ZIP
yars
List
Run
ZIP
z80digrain
List
Run
ZIP
ztsxxstz
List
Run
ZIP
zu
List
Run
ZIP
zx81rain
List
Run
ZIP
*** ZX MASTER MIND ***
Guess the right 3 numbers, including order.
List
Run
ZIP
zxscroll
List
Run
ZIP