Popular games for platform Sinclair ZX81

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

A compilation of 4 quiz games

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.

Traffic is a flick-screen game where you have to move across lanes full of various vehicles for as many points as you can. The vehicles move left or right across the screen and you have to move upwards through gaps while avoiding getting hit by the vehicles or it is game over. If you move downwards then your score decreases. There are 3 skill levels and you can choose the speed of the game (1-255) with 1 being the fastest.

Chess game developed for home computer Sinclair ZX81. Game code takes up only 672 bytes in memory, but implements all chess rules except for castling, promotion, and en passant, including a computer opponent. It was the smallest implementation of chess on any computer at the time.

Asteroids (Silversoft) is a clone of the Arcade version which sees your craft in the middle of an asteroid field and you must destroy all the asteroids to survive. The asteroids start off large and when you shoot one then it splits into two, and shooting an asteroid this size splits it into two again before being destroyed with another shot. Occasionally an alien craft appears moving across the screen and this can be destroyed for extra points. If you are hit by an asteroid or the alien craft then you lose one of three lives. You are able to turn your ship 360 degrees as well as move forward.

A collection of 8 games 16KByte containing: Starship Trojan Your ship has been damaged by a meteor storm. In this adventure you have 70 hours to repair the damage before the next interstellar jump. Princess of Kraal Free the princess from the hidden chamber and fight of the monsters through tunnels, stairs and chambers. Startrek The galaxy is divided in 64 quadrants, every quadrant has 64 sectors. Spread around the galaxy are the Klingons, find and destroy them. Battle With your fleet of ships you fight against another fleet of ships by firing rockets and conquering their basises. Cube A simulation of a Rubic Cube. Martian Cricket An impossible cricket game that drives you into madness. Secret Messages Program to generate secret codes that can be exchanged with other ZX81 owners. Kalabriasz A game of carts.

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.

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.

A top down view space battle against the Klingons. You can rotate your ship and fire rockets to the Klingons but make sure not to hit them. After defeating all the Klingons you can use a wormhole to go the the next galaxy. You can configure the speed and whether the Klingons move or not and you have three ships at your disposal.

Games 1 is a collection of six games and programs which contains: Orbit: You control a ship orbiting a star and the further you are the slower you circle it. Also on screen is a piece of cargo orbiting the same star and you must adjust the speed of your craft by moving inwards and outwards to catch it. Sniper: A man appears on the screen in one of ten positions and you must press one of the number keys 1 to 0 where you think he is on screen. Meteors: You control a craft on the top of the screen and you must move left or right through a meteor storm that moves up the screen. Life: A program that was devised by J. H. Conway in 1970 and allows you to see a pattern come to life and hopefully grow. You place cells on a 16 x 16 grid and when you are happy with your placements you can let it come to life. Three cells adjacent to each other produces a cell, two or three neighbours, the cells survive and one or more than three cells, the cells die. Wolfpack: You control a ship on the top of the screen left or right, and you must drop a depth charge to hit a submarine below moving across the screen right to left. You only have one depth charge per sub and when the sub reaches the edge of the screen it has escaped. Golf: You must hit a ball into a hole at a random distance by selecting the range from 35 to 75.

Em Busca dos Tesouros is a platformer developed by then 15-year-old Tadeu Curinga and published by the computer magazine Micro Sistemas.

You are marooned on a strange planet and have to repair your space ship in order to get back home.

Chase is somehow similar to Gnome Robots but in real-time game and with several items and power-ups.

A reboot of the Game and Watch title Helmet, with Palo T as the protagonist.

Croaka-Crawla is a clone of the arcade game Frogger where the player must control a frog and get him to the other side of a road and river. The game is viewed from above and the first thing to cross is a busy road full of traffic scrolling across the screen. You can move left, right or forward as you dodge the traffic to reach a river bank. Once the road has been survived then a river must be crossed by jumping on logs or the backs of turtles that scroll across the screen as well. Once you reach the other side of the river you must jump into a gap and occasionally a baby frog or flies appears for extra points. If you get hit by a vehicle, fall into the river, or touch the sides of the screen then you lose one of three lives. Before the game you can change the speed of the game (1-100) with 1 being the fastest.

Artic Computing's take on Reversi

ZX Chess II is an improved version of ZX Chess I, a single-player chess game. In addition to the features of the previous version (custom board setup, printing etc.), the code enhancements include additional difficulty level, faster move calculation and an option for the player to ask the program to suggest a move.

3D space shooter

Cassette 50 is a compilation of 50 games that was released for a variety of 8-bit home computers, albeit with different selections of games on different computers. The majority of games within the collection were programmed in BASIC and are widely considered to be of poor quality.

Subespaço is a game for the Sinclair ZX81 where you are the commander of the subspace ship Pegasus and your mission is to dismantle the enemies' supply network, depriving them of their vital supplies.

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