Popular games for platform Sinclair ZX81

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

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.

In what is possibly the most baffling text adventure ever devised, navigate a surreal landscape with the aid of the Pi-Man in an attempt to discover the (real world) location of a golden sundial. Originally published in 1982.

3D Grand Prix (for the ZX81 with 16K memory expension module) is a racing simulator with a first person view. You race against others on random generated track. You have to accellerate, brake, steer and switch (6) gears.

Pac Rabbit is a Pac-Man clone where you take the role of a rabbit and you move about a maze eating all the dots to clear the maze. As you eat the dots you must avoid the hounds that are hunting you but you can eat magic carrots which enable you to eat the hounds for a short time. If you touch a hound then you lose one of ten lives. There are six mazes split into two parts, Rabbits Revenge and Run Rabbit Run and you can choose the speed of the game (0-9) with zero being the fastest.

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.

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

QS Scramble is a clone of the arcade game Scramble. It's a side-scrolling shooter where the player controls a space craft flying over the surface of an alien planet. Movement is limited to moving up and down and there are two weapons to attack with: forward going missiles and bombs that are dropped onto ground targets. Five missiles can be fired at a time and three bombs can be dropped at a time. Targets include aliens that swoop down from above and rockets that launch from the ground. On the ground there are also fuel dumps. The game goes on until the player has lost all three lives or the fuel runs out.

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.

Shuriken is somehow inspired by Pac-man and Pengo.

During the American Gold Rush you are digging for gold. While excavating gold you must be aware of giant rats and a vicious Gremlin which comes to infest the mine. Snakes can be used to eat the rats. This a 16K program which uses "high-resolution"graphics.

The classic Defenders (Atari 2600 and other platforms) but then in a first person 3D perspective. This game is to be run with a 16K expansion module. You fly over a planet and have a proximity radar indicating where (left-right) an enemy is. Your radar can show false hits when meteorites fall down. The enemies go down and you get points (250) if you shoot them before they reach the ground. The enemies will shoot at you and you will have to try to prevent being hit. If an enemy reaches the ground and can fly up and away again you loose points (50). You have a shield which can take take 10 hits. With either one of the keys q-t moves you left-down. y-p right-down. a-g left-up, h-newline right up. z-m shoots the laser. Using two keys at once allows you to move non-diagonal.

Stinger is a tank-shooter with several enemies, levels, power-ups and items to pick.

A compilation of 7 educational games designed for children between the age of 7 and 11: - Crash - Multiply - Train - Fraction - Add Sub - Division - Spelling

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.

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.

ZX Asteroids is based on the arcade game where you are a craft sitting in the middle of the screen surrounded by large asteroids moving about the screen. You have to blast all the asteroids, and when one is shot then it splits into smaller asteroids and keeps repeating the process until the asteroid has gone. You can turn your craft left or right 360 degrees but you can also move forwards. Occasionally an alien craft will appear and when shot gives you bonus points. If you are hit by an asteroid or the alien craft then you lose one of three lives. Two players can play and each player takes it in turns when the other player loses a life and there are five levels of play (1-5) with one being the easiest.

"Sam Mallard: The Case of the Missing Swan" is a short film noir adventure on the go with 15 different locations to explore and a fantastic 8-bit Jazz noir sound-track.

A Space Invaders clone where you control a craft at the bottom of the screen moving left or right, to destroy aliens in formation above dropping bombs on you.

Early ZX81 game.