Popular games for platform Sinclair ZX81

Get the frog from the bottom of the screen to the top. You'll cross a road with trucks and cars and then you'll cross a river with logs and crocodiles.

A Pac-Man clone for the ZX81 with 16k memory expansion module and for the ZX Spectrum

Piramide Inca is a game for the ZX81 where your mission is to explore one of the sacred pyramids of the Incas where, according to an ancient legend, one of their greatest chiefs was buried along with all their fabulous treasure.

You have to defeat the Lords of Chaos in this action adventure.

You have to cross a park from S to F. While doing this you encounter various mini games. During these mini games you can loose the game or be send back to the beginning.

QS Defender is a side scrolling shooter that although it is inspired by it, lacks many features of the arcade game Defender. This version is constantly scrolling left to right and there is no option to turn around and move in the opposite direction. The player can move up and down, fire and use thrust to increase the movement speed forward. There is only one enemy type and each one killed is worth 100 points. Enemies appear in waves. At the start there are just a few but as the player progresses it gets more hectic with up to eight enemies on the screen at once. The player has nine ships. When getting hit the screen goes black for a few seconds before it starts again with a clear screen and one ship less. Once all ships are lost the game has to be restarted through basic.

Bob Smith's interpretation of Atari's 1979 arcade game 'Asteroids'.

An unofficial port of Atari's Centipede made by Jeff Minter in the early years of Llamasoft.

Alerta Vermelho is a game where you need attack the enemy planet using the lasers and bombs you have and, at the same time, defend yourself.

Gunfight is an unofficial port of the classic Atari VCS game where a cowboy at either side of the screen, moving up and down for the Sinclair ZX81.

Centopeia is a shooter game where you are the operator of the earth's defense bases, with the mission of frustrating the attack of the terrible fleet of space centipedes that want to conquer our planet.

Aventuras na Selva is a text-based adventure developed by Renato Degiovani and published by the magazine Micro Sistemas.

Blow up as many boxes as you can before the guard sees you. Or play as the guard and try to find the saboteur.

O Aventureiro is a text-adventure where in search of an adventure, you clandestinely teleport aboard a cargo ship whose crew is made up of exotic beings from various planets. Your objective is to accumulate all the money you can by searching the ship's rooms.

1K Games Pack is a collection of 11 games and programs on one tape. The collection consists of: Slot machine: You have 10p and you play a slot machine for 1p a go trying to get three numbers the same (10p) or the numbers add up to seven (5p). Etch and Sketch: This a program that allows you to draw pictures and shapes with a cursor. Slalom: Gates move down the screen and you have to align yourself to go through them without hitting them or missing them altogether. Catch me if you can: You must move an X to catch a O that moves about the screen. Space Pirate: You must attempt to dock your spaceship as it moves down the screen with another ship that moves left and right across the screen. Spacefire 1: You are on the left of the screen while the computer is on the right, firing bullets at each other attempting to hit the other player. Spacefire 2: Same as 1 but now the computer moves left across the screen. Car Crash: You must drive your car down the screen avoiding the other vehicles and the sides of the road. Man-Eating Budgies: You are on the top of the screen and Budgies move up the screen and you must avoid them while collecting their eggs. Maze: You are on the top of the screen and a maze moves upwards and you must navigate through it without hitting the walls. The Wall: You move right across the screen and you must remove every part of a wall that moves slowly upwards.

A collection of 8 games for the Sinclair ZX81 with an a 16K memory expansion module. Invaders A Space Invaders clone with an extra shield that can be activated for a brief moment in time. Life A simulation of cell growth. The player can set a patern and see if/how it grows. 3D Tick-Tac-Toe A 3D Tic-Tac-Toe game. The aim is to make a straight line of 4 dots. You play against the computer. Galaxy Invaders A shoot em up where the player is at the bottom trying to shoot alien crafts moving around the screen. Gun Fight An Outlaw clone. You try to shoot a cowboy on the other side of the screen and you can take cover behind a carriage. ZX Scramble A Scramble clone where the player flies through a tunnel from left to right which bombing installations on the gound. Snakebite A Snake clone. Fungaloids The player flies at the top of the screen bombing funguses growing into the air. When a funcgus is destroid it can throw spores into the air which must be dodges. Be aware not to bomb installations on the ground. Fuel can be collected at the side of the screen.

Galaxians is a clone of Galaxian. The player's goal is to destroy a matrix of enemy spaceships which is gradually descending on the screen. Single ships will sometimes leave the formation and bombard the player with multiple shots. There's only a single scenario with a single type of spaceship. The process repeats itself when a squadron is completely eliminated, but the difficulty increases.

Timex Sinclair 1000 release port of Frogger.

A collection of 8 games for the ZX81 with 16K memory expansion module. Planetoids A clone of the Arcade classic Asteroids. Breakout A clone of the Arcade classic Breakout. Space Rescue You have to rescue 6 astronauts on the ground by steering a dropship through an asteroid field towards landing platforms. After landing and picking up one astronout you have to fly up through a field of enemy ships and dock with the mother ship. Draughts Play draughts against a computer opponent. Byte-man A Pac-man clone with three different mazes to complete. Dodgems Like pac-man you must eat all the dots. Dodgems is however made up of lanes (from outside to inside) and you can switch lane on the left, right, top or down side of the screen while always moving forward. Blitz You fly over a city and you have to bomb the building to clear a path for landing. You can go up and down and drop bomb. Buildings are rebuild and get higher as time progresses, make sure not to crash into one. Merchant You are a sea trader sailing from city to city buing and selling items. While sailing from one city to another you can encounter danger which make you loose cargo. You can buy more ships. The goals is to reach a capital of 1000000 florins.

Scram - 81 is a clone of the arcade game Scramble which is viewed from the side with the screen scrolling left to right constantly. You have to fly a spaceship above the surface of a planet bombing ground targets while shooting or bombing missiles with your laser. As you fly, your fuel level decreases but you can bomb fuel dumps to increase it. If you hit a missile or the surface then you lose one of three lives.

Text adventure with an overview of surrounding rooms for the ZX81 with a 16K memory expansion module. The game allows you to set some parameters (like amount of food and arrows, but also the dungeon layout) before starting.

Backgammon for the ZX81 with 16K memory expansion module or for the ZX Spectrum.