Retro-Computing - Sinclair ZX81 Online Emulator
Explore few programs created for the Sinclair ZX81.
The goal of this section is to act as a digital museum, easily accessible to artists, educators, students or any curious person.
The content is provided for educational purpose, not for entertainment purpose.
Educational (9)
![](preview/arithmetic_add.jpg)
Arithmetic Under 8 - Add
![](preview/fundamentals_addition.jpg)
FUNdamentals Math - Addition
Advanced Micro Technologies
![](preview/geographics_uk.jpg)
Geographics UK
Novus Software - 1983
![](preview/guitar_for_beginners.jpg)
Guitar For Beginners
SZX Systems - 1982
![](preview/language_usage.jpg)
Language Usage Master
Software for Excellence - 1982
![](preview/maths_invaders.jpg)
Maths Invaders
Programs in Education
![](preview/music_educator.jpg)
Music Educator
![](preview/spelling_bee.jpg)
Spelling Bee
![](preview/tutor_french.jpg)
Tutor French
A. & J. Mitchell - 1983
Tools (19)
![](preview/prime_factors.jpg)
Prime Factors of Integret
![](preview/common_denominator.jpg)
Greatest Common Denominator
![](preview/biorhythms.jpg)
Biorhythms
W.H.Smith
![](preview/the_budgeter.jpg)
The Budgeter - Home Accounts
![](preview/chess_clock.jpg)
Chess Clock
![](preview/chinese_astrology.jpg)
Chinese Astrology
![](preview/computacalc.jpg)
ComputaCalc ZX
![](preview/critical_path_analysis.jpg)
Critical Path Analysis
Hilderbay LTD - 1981
![](preview/general_statistics.jpg)
General Statistics
R.M.Allott - 1982
![](preview/heating_system_analyzer.jpg)
Heating System Analyzer
![](preview/home_improvement_planner.jpg)
Home Improvement Planner
Ken Frink - 1982
![](preview/home_money_manager.jpg)
Home Money Manager
![](preview/inventory_control.jpg)
Inventory Control
![](preview/phone_book.jpg)
Phone Book
Timex
![](preview/multigraphics.jpg)
Multigraphics
Bridge Software - 1981
![](preview/rpn_calculator.jpg)
RPN Calculator
Dr.Walter Diembeck - 1982
![](preview/statistics.jpg)
Statistics
Dr.Walter Diembeck
![](preview/tasword.jpg)
Tasword
Tasman Software - 1982
![](preview/vu-calc.jpg)
VU-Calc
National Education Corp.
Simulations (1)
![](preview/life.jpg)
Life
Demos (2)
![](preview/kaleidescope.png)
Kaleidescope
![](preview/meteor_strike_demo.jpg)
Meteor Strike
Games (134)
![](preview/3dgrandprix.png)
3D Grand Prix
M.E.Wright
![](preview/3ddefender.jpg)
3D Defender
J.K.Greye Software
![](preview/admiral_graf_spee.jpg)
Admiral Graf Spee
S.R.Mansfield - 1982
![](preview/adventure.jpg)
Adventure
Simon Wadsworth - 1982
![](preview/adventure_gbarker.jpg)
The Challenge
Gavin Barker - 1983
![](preview/alien.jpg)
Alien
P.Merriman
![](preview/alien_attack.jpg)
Alien Attack
![](preview/alien_dropout.jpg)
Alien Drop-Out
![](preview/alien_rain.jpg)
Alien Rain
A.Miller - 1982
![](preview/outrider.jpg)
Outrider
![](preview/alphaprobe.jpg)
Alphaprobe
![](preview/asteroids.jpg)
Asteroids
A.Glaister
![](preview/avenger.jpg)
Avenger
K.Flynn - 1982
![](preview/backgammon.jpg)
Backgammon
Psion Computers
![](preview/psion_dice.jpg)
Psion Dice
Psion Computers
![](preview/backgammon_archer.jpg)
Backgammon Archer
Keith Archer - 1982
![](preview/bank_robber.jpg)
Bank Robber
Roland Stokes
![](preview/baron.jpg)
Baron
![](preview/bat-cage.jpg)
Bat-Cage
![](preview/battleships.jpg)
Battleships
![](preview/bomber.jpg)
Bomber
MikroGen
![](preview/bouncinbert.jpg)
Bouncin' Bert
Software Farms - 1985
![](preview/breakout.png)
Breakout
CDS Micro Systems
![](preview/breakout_jones.jpg)
Breakout
D.Jones
![](preview/brick-stop.jpg)
Brick-Stop
CDS Micro Systems
![](preview/bubble_bugs.jpg)
Bubble Bugs
Roland Stokes
![](preview/byter.jpg)
Byter
![](preview/othello.jpg)
Othello
P.E.Canter - 1981
![](preview/awari.jpg)
Awari
P.E.Canter - 1981
![](preview/chequered_worm.jpg)
Chequered Worm
C.Panayi and P.E.Canter - 1981
![](preview/penny_shoot.jpg)
Penny Shoot
C.Panayi and P.E.Canter - 1981
![](preview/princess_of_kraal.jpg)
The Princess of Kraal
N.Streeter
![](preview/battle.jpg)
Battle
![](preview/rubik_cube_simulator.jpg)
Rubik Cube Simulator
![](preview/martian_cricket.jpg)
Martian Cricket
![](preview/Kalabriasz.jpg)
Kalabriasz
![](preview/guns.jpg)
Guns
![](preview/zx-scramble.jpg)
ZX-scramble
![](preview/snakebit.jpg)
Snakebit
![](preview/fungaloids.jpg)
Fungaloids
![](preview/invaders.jpg)
Invaders
![](preview/3d_tic_tac_toe.jpg)
3D Tic-Tac-Toe
![](preview/galaxy_invaders.jpg)
Galaxy Invaders
![](preview/planetoids.jpg)
Planetoids
Frank Serowski - 1983
![](preview/breakout.jpg)
Breakout
1983
![](preview/space_rescue.jpg)
Space Rescue
Mindseye - 1983
![](preview/draughts.jpg)
Draughts
Mindseye - 1983
![](preview/byte-man.jpg)
Byte-man
Mindseye - 1983
![](preview/dodgems.jpg)
Dodgems
Mindseye - 1983
![](preview/blitz.jpg)
Blitz
Mindseye - 1983
![](preview/merchant.jpg)
Merchant
Mindseye - 1983
![](preview/castle_adventure.jpg)
Castle Adventure
![](preview/cave_crusade.jpg)
Cave Crusade
S.Hughes - 1982
![](preview/centipede.jpg)
Centipede
DK.Tronics
![](preview/cartoon_man.jpg)
Cartoon Man
![](preview/road_race.jpg)
Road Race
![](preview/chess.jpg)
Chess
![](preview/city_of_xon.jpg)
City Of Xon
Pleasantrees - 1983
![](preview/city_patrol.jpg)
City Patrol
Don Priestley
![](preview/number_challenge.jpg)
Number Challenge
![](preview/word_challenge.jpg)
Word Challenge
![](preview/counter_attack.jpg)
Counter Attack
P.Hennessy
![](preview/croaka_crawla.jpg)
Hopper - Croaka Crawla
Arthur J
![](preview/damper.jpg)
Damper
M.P.Crane
![](preview/glooper.jpg)
Glooper
M.P.Crane
![](preview/connect_4.jpg)
Connect 4
CDS Micro Systems
![](preview/dominoes.jpg)
Dominoes
![](preview/fighter.jpg)
Fighter
Mindseye
![](preview/first_bomber.jpg)
First Bomber
Mindseye
![](preview/flight_simulation.jpg)
Flight Simulation
Psion
![](preview/fortress_of_zorlac.jpg)
FortressOfZorlac
Paul Carlson - 1982
![](preview/forty_niner.jpg)
Forty Niner
Cormic Cockerel
![](preview/froggy.jpg)
Froggy
David & John Looker - 1982
![](preview/sega_frogger.jpg)
Frogger
SEGA - 1981
![](preview/galactic_gunner.jpg)
Galactic Gunner
Paul W.Carlson - 1983
![](preview/galactic_patrol.jpg)
Galactic Patrol
Omega
![](preview/galactic_trooper.jpg)
Galactic Trooper
I.Morrison & D.Anderson - 1982
![](preview/galaxians.jpg)
Galaxians
William J.Wray - 1982
![](preview/galaxy_jailbreak.jpg)
Galaxy Jailbreak
Roland Stokes
![](preview/warp_wars.jpg)
Warp Wars
![](preview/snake.jpg)
Snake
K.Strong - 1982
![](preview/sweet_tooth.jpg)
Sweet Tooth
Paul Holmes - 1981
![](preview/black_holes.jpg)
Black Holes
JRS Software
![](preview/slalom.jpg)
Slalom
JRS Software
![](preview/arcade_grand_prix.jpg)
Arcade Grand Prix
J.G.Prince
![](preview/penalty.jpg)
Penalty
J.G.Prince
![](preview/golf.jpg)
Golf
J.G.Prince
![](preview/swat.jpg)
Swat
J.G.Prince
![](preview/trojan_dragon.jpg)
Trojan Dragon
S.Fawkes - 1983
![](preview/tablets_of_hippocrates.jpg)
Tablets of Hippocrates
![](preview/jackpot.jpg)
Jackpot
Iain Thomson - 1983
![](preview/the_gauntlet.jpg)
The Gauntlet
Colourmatic Computing - 1982
![](preview/zx-packman.jpg)
ZX Packman
E.L.Bell - 1982
![](preview/bobblers.jpg)
Bobblers
The Software Farm
![](preview/gulp.jpg)
Gulp
Campbell Systems - 1982
![](preview/hopper.jpg)
Hopper
C.P.Cullen
![](preview/house_of_death.jpg)
House of Death
A.J.Rushton
![](preview/invasion_force.jpg)
Invasion Force
Simon Wadsworth - 1982
![](preview/jd_arcades.jpg)
JD Arcades Pack
![](preview/Kongs_Revenge.jpg)
Kongs Revenge
I.R.Kendrick - 1983
![](preview/krypton_ordeal.jpg)
Krypton Ordeal
Novus Software - 1983
![](preview/labyrinth.jpg)
Labyrinth
![](preview/lost_island.jpg)
Lost Island
M.Holman - 1982
![](preview/lunar_rescue.jpg)
Lunar Rescue
K.J.Bezant - 1982
![](preview/marine_rescue.jpg)
Marine Rescue
International Publishing - 1982
![](preview/mazogs.jpg)
Mazogs
Don Priestley & Bug-Byte - 1981
![](preview/merchant_of_venus.jpg)
Merchant of Venus
Crystal Computing - 1982
![](preview/micro_mouse.jpg)
Micro Mouse
Ken Riley
![](preview/mothership.jpg)
Mothership
Al Laity - 1983
![](preview/namtir_raiders.jpg)
Namtir Raiders
J.Ritman - 1982
![](preview/nowotnik_puzzle.jpg)
Nowotnik Puzzle
David Nowotnik - 1982
![](preview/octopussy.jpg)
Octopussy
![](preview/pengy.jpg)
Pengy
S.Fawkes - 1983
![](preview/pinball.jpg)
Pinball
Timex
![](preview/oregon_trail.jpg)
Oregon Trail
Marion Stubbs - 1982
![](preview/puckman.jpg)
Puckman
John Hardman
![](preview/inversion.jpg)
Inversion
N.L.Martino - 1982
![](preview/robbers_of_the_lost_tomb.jpg)
Robbers of the Lost Tomb
Timeworks Inc - 1982
![](preview/salvo.jpg)
Salvo
![](preview/sea_wolf.jpg)
Sea Wolf
Stephen Hartley Computing - 1983
![](preview/space_intruders.jpg)
Space Intruders
Hewson Consultants - 1981
![](preview/space_man_apollo.jpg)
Space Man Apollo
Iain Thomson
![](preview/star_soccer.jpg)
Star Soccer
![](preview/superchess.jpg)
Superchess
CP Software - 1982
![](preview/super_invaders.jpg)
Super Invaders
Bridge Software - 1982
![](preview/super_scramble.jpg)
Super Scramble
The Software Farm - 1982
![](preview/super_wumpus.jpg)
Super Wumpus
Silversoft
![](preview/supermaze.jpg)
Supermaze
![](preview/tai.jpg)
Tai - Tiny Arid Dustball
B.Burdett - 1983
![](preview/trader.jpg)
Trader
Pixel Production
![](preview/ufo.jpg)
UFO
Protek Computing - 1982
![](preview/zx_asteroids.jpg)
ZX Asteroids
Robert J.Wray - 1982
![](preview/zaraks.jpg)
Zaraks
R.M.Taylor - 1982
![](preview/zuckman.jpg)
Zuckman
David & John Looker - 1982
Credits
- Emulator developed by Michael D Wynne and Simon Holdsworth
- Advanced Micro Technologies for the program FUNdamentals Math - Addition
- Novus Software for the program Geographics UK
- SZX Systems for the program Guitar For Beginners
- Software for Excellence for the program Language Usage Master
- Programs in Education for the program Maths Invaders
- A. & J. Mitchell for the program Tutor French
- W.H.Smith for the program Biorhythms
- Hilderbay LTD for the program Critical Path Analysis
- R.M.Allott for the program General Statistics
- Ken Frink for the program Home Improvement Planner
- Timex for the program Phone Book
- Bridge Software for the program Multigraphics
- Dr.Walter Diembeck for the program RPN Calculator
- Dr.Walter Diembeck for the program Statistics
- Tasman Software for the program Tasword
- National Education Corp. for the program VU-Calc
- M.E.Wright for the program 3D Grand Prix
- J.K.Greye Software for the program 3D Defender
- S.R.Mansfield for the program Admiral Graf Spee
- Simon Wadsworth for the program Adventure
- Gavin Barker for the program The Challenge
- P.Merriman for the program Alien
- A.Miller for the program Alien Rain
- A.Glaister for the program Asteroids
- K.Flynn for the program Avenger
- Psion Computers for the program Backgammon
- Psion Computers for the program Psion Dice
- Keith Archer for the program Backgammon Archer
- Roland Stokes for the program Bank Robber
- MikroGen for the program Bomber
- Software Farms for the program Bouncin' Bert
- CDS Micro Systems for the program Breakout
- D.Jones for the program Breakout
- CDS Micro Systems for the program Brick-Stop
- Roland Stokes for the program Bubble Bugs
- P.E.Canter for the program Othello
- P.E.Canter for the program Awari
- C.Panayi and P.E.Canter for the program Chequered Worm
- C.Panayi and P.E.Canter for the program Penny Shoot
- N.Streeter for the program The Princess of Kraal
- Frank Serowski for the program Planetoids
- Mindseye for the program Space Rescue
- Mindseye for the program Draughts
- Mindseye for the program Byte-man
- Mindseye for the program Dodgems
- Mindseye for the program Blitz
- Mindseye for the program Merchant
- S.Hughes for the program Cave Crusade
- DK.Tronics for the program Centipede
- Pleasantrees for the program City Of Xon
- Don Priestley for the program City Patrol
- P.Hennessy for the program Counter Attack
- Arthur J for the program Hopper - Croaka Crawla
- M.P.Crane for the program Damper
- M.P.Crane for the program Glooper
- CDS Micro Systems for the program Connect 4
- Mindseye for the program Fighter
- Mindseye for the program First Bomber
- Psion for the program Flight Simulation
- Paul Carlson for the program FortressOfZorlac
- Cormic Cockerel for the program Forty Niner
- David & John Looker for the program Froggy
- SEGA for the program Frogger
- Paul W.Carlson for the program Galactic Gunner
- Omega for the program Galactic Patrol
- I.Morrison & D.Anderson for the program Galactic Trooper
- William J.Wray for the program Galaxians
- Roland Stokes for the program Galaxy Jailbreak
- K.Strong for the program Snake
- Paul Holmes for the program Sweet Tooth
- JRS Software for the program Black Holes
- JRS Software for the program Slalom
- J.G.Prince for the program Arcade Grand Prix
- J.G.Prince for the program Penalty
- J.G.Prince for the program Golf
- J.G.Prince for the program Swat
- S.Fawkes for the program Trojan Dragon
- Iain Thomson for the program Jackpot
- Colourmatic Computing for the program The Gauntlet
- E.L.Bell for the program ZX Packman
- The Software Farm for the program Bobblers
- Campbell Systems for the program Gulp
- C.P.Cullen for the program Hopper
- A.J.Rushton for the program House of Death
- Simon Wadsworth for the program Invasion Force
- I.R.Kendrick for the program Kongs Revenge
- Novus Software for the program Krypton Ordeal
- M.Holman for the program Lost Island
- K.J.Bezant for the program Lunar Rescue
- International Publishing for the program Marine Rescue
- Don Priestley & Bug-Byte for the program Mazogs
- Crystal Computing for the program Merchant of Venus
- Ken Riley for the program Micro Mouse
- Al Laity for the program Mothership
- J.Ritman for the program Namtir Raiders
- David Nowotnik for the program Nowotnik Puzzle
- S.Fawkes for the program Pengy
- Timex for the program Pinball
- Marion Stubbs for the program Oregon Trail
- John Hardman for the program Puckman
- N.L.Martino for the program Inversion
- Timeworks Inc for the program Robbers of the Lost Tomb
- Stephen Hartley Computing for the program Sea Wolf
- Hewson Consultants for the program Space Intruders
- Iain Thomson for the program Space Man Apollo
- CP Software for the program Superchess
- Bridge Software for the program Super Invaders
- The Software Farm for the program Super Scramble
- Silversoft for the program Super Wumpus
- B.Burdett for the program Tai - Tiny Arid Dustball
- Pixel Production for the program Trader
- Protek Computing for the program UFO
- Robert J.Wray for the program ZX Asteroids
- R.M.Taylor for the program Zaraks
- David & John Looker for the program Zuckman