Popular games for platform Sinclair ZX81

Bank Robber is a variant of Commodore's Money Wars. The player controls a man who has to move money from the bank to his home. The bank is located on the left side of the screen while the home is located on the right side. The buildings can however only be entered when their doors are opened. From the sky, meteorites are falling and the player has to avoid being hit by these while moving across the screen. Getting hit means a life is lost. Other things falling from the sky are pills that give an extra life when eaten and bricks that when caught builds or repairs one of three protection buildings (similar to the shields in Space Invaders). At the end of the game the player gets a ranking depending on the amount of cash that has been collected.

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.

After failure on your last mission and recovering in hospital growing a new arm and leg, you have had time to find and study the base of the Cosmic Guerillas, the Black Star. The location is a huge industrial complex on an asteroid and when you have fully recovered you are going to attempt to destroy it. Now fully recovered and your Svelgian Raider craft rebuilt and modified you are flying over the base looking for the valley containing the energy ducts. After one run you prepare yourself to fly down the valley again and finally destroy the base. The game is a 1st person shooter where you fly down the valley and using your sight drop bombs on the energy ducts that you pass. You can speed up or slow down your craft and you are able to move your sight left or right. Below your sight is a small radar and this shows any ships flying behind you. On the sides of the main playing area you can see a timer counting down, amount of bombs, fuel levels, power, speed and score. The faster you travel the more power and fuel you use.

Bumper 7 is a collection of seven games and programs which includes: Repeat 20: Based on Simon but instead of colours you get numbers. The computer gives you a sequence of four numbers which you then copy. If correct then the computer will add a number on to the sequence for you to guess. Ski Slalom: You must control a H and move it left or right to go in between gates that move up the screen. Paper Stone & Knife: Based on the game Rock, Paper, Scissors, you must decide whether to use Paper, Stone or Knife to beat the computer's choice. Paper beats Stone, Stone beats Knife and Knife beats Paper. Snowflake: You must catch snowflakes that fall down the screen. Patterns: This a program that lets you watch patterns appear on the screen. Banco: Based on the card game Punto Banco and the idea is to get the nearest to nine. Sketch: A program that allows you to draw shapes and pictures with a cursor.

Fantasy Games is a double games pack containing the following adventure games: Perilous Swamp: Deep in a Perilous Swamp, your quest is to find and rescue a Princess held captive by an evil Wizard before escaping out of the swamp. You are presented with a map of your surroundings and text tells you any objects you can see. As you move around the swamp you will encounter various creatures who you can fight, run from or bribe (if you have enough treasure). If you choose to fight then you decide how many combat strength points to use. Spells can be found and used to help you on your quest. Sorcerer's Island: Similar to Perilous Swamp, this time you are on an island and you must attempt to leave it. One difference is you can encounter people like the King of the Dwarves and the Grand Sorcerer himself to help you.

Game-Pac is a compilation of two games and a dice rolling program. Greed is a dice game played against an AI opponent. The objective is to get the highest score by rolling two dice and adding the result of each roll. The game is played in ten rounds and when the player chooses to stop the score is added to the one of previous rounds. Rolling the starting value a second time leads to a crap out and all points of the round will be lost. Brain Teaser is a puzzle game similar to the board game Lights Out. The player is presented with the numbers 1 to 9 shown on a 3 by 3 grid. Numbers are either normal or inverse and the goal is to get an inverse 5 and all others as normal. The player can choose to flip any number but then also all adjacent numbers will be flipped. Super Dice is a program that simulates dice rolls. The player can roll up to five six-sided dice or one four-, eight-, ten-, twelve- or twenty-sided die.

Maze Death Race is a Rally-X variant. The player controls a car and has to drive around a maze and collect a certain number of flags to complete a level. At the same time other cars chase the player's car and attempt to hit it. The number of cars are user defined in the ZX81 version and pre-defined in the ZX Spectrum version. In addition to chaser cars there are various traps on the roads that the player has to avoid hitting such as rocks, oil and ice. Unlike the original arcade game, in this version the player cannot use a smokescreen to confuse the chasers. Both versions allow the player to choose the speed of the AI cars. In the ZX81 version, it is also possible to choose if the car should have momentum while in the Spectrum version this is always the case.

Jungle Maths is an educational game for multiple sytstems. The player must travel through a jungle to reach their home base and safety. To do this, they must correctly answer 10 math questions. A map tracks the player's progress. If the player answers incorrectly, they could fall in a pit, sink into quicksand, or have other animated maladies befall them. Five incorrect answers, and it's game over. Options include numbers from 10 to 1000, subtraction or addition, negative numbers, and time to answer the questions.

You control a base on the bottom of the screen moving left or right, and you have to blast or avoid falling meteors with your laser over five waves. As you avoid or blast the meteors, you also have a panic button which removes all meteors on the screen but using this reduces your bonus. A wave ends when your base is hit and you move to the next wave but with the meteors falling faster. Before you start the game, you can select three levels of difficulty, Slow, Fast and Expert.

10 Games is a collection of games and programs on one tape. The collection contains: Klingons: You are a spaceship returning from a mining expedition and you have run into a Battlefleet of Klingons but you have no guns so with your shield you must ram them all. The game is viewed from above with you scrolling down the screen and the Klingons scrolling upwards. You receive extra points for any Battleships or Motherships that you hit. Crash-Landing: Your spaceship has been hit by a meteor and you are prepared for a crash landing on a planet with the only control you have is using your rockets. The game is text only and you see your fuel levels, velocity, height and the time. Simon: Based on the classic game where the computer shows you a sequence of colours and you have to input the same sequence. Every time you get the sequence correct, the computer adds another colour to the same sequence. Artist: A drawing program that allows you to draw pictures and shapes on the screen with a cursor. UFO: A row of UFO's sit on the top of the screen and your spaceship scrolls from the left of the screen below them, firing one shot at a time to remove parts of the UFO's. Every time you hit a UFO you score a point and you start scrolling from the left of the screen again. Missing a UFO or hitting the right side of the screen loses you points. Code: Based on the game Mastermind, the computer thinks of a 4 digit number and you have to guess it within a set number of guesses. Once you enter a number the computer tells you which number is correct in the right place and which number is correct in the wrong place. Asteroids: Your spaceship has hit an asteroid field and like the game Klingons you have no gun but instead of ramming the asteroids you must avoid them for as long as possible. Bomber: The game is viewed from the side as you watch a Bomber fly from left to right across the screen. The land is below with a dam on it and you must drop a bomb to hit the dam. Each dam that you see appears in a different location. Kaleidescope: This is program based on the toy where you see dots moving about the screen making symmetrical shapes. There is no interaction from the player. Guillotine: A two player game based on the pen and paper game Hangman but instead of saving your self from being hanged you must stop yourself from getting your head chopped off by a Guillotine. Player One enters a word and Player two has to type in letters to guess the word. Get a letter right and it appears in the word but get it wrong and a Guillotine starts to appear.

2K Games Pack is a collection of six games and programs. The collection consists of: Snail: You have $50 and the choice to bet an amount of money on one of four snails to reach the other side of the screen first. Advice: A program which gives you a statement to take as advice. Dice: You and the computer take it in turns to throw a dice and the winner is the one with the highest score after 10 throws. 31: The computer gives you a number and you decide whether to receive another one with the aim to get closer to 31 than the computer. Sketch: A program allowing you to draw pictures and shapes with a cursor. Reverse: A puzzle game where you have to put 10 mixed up numbers in order by selecting how many numbers from the left will be reversed.

Asteroids (Software Farm) 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. There are three skill levels (1-3) and four players can play with each player taking it in turn when the last player is killed.

Airline is an economic strategy game, with the player taking the role of a Chairman for L-AIR, an air company whose business starts off with £3 million. He has 7 years to increase his net assets to £30 million. The player can charter, buy or sell aircraft, as well as managing staffing, maintenance and insurance. Situations in game (like hijacks, air crashes and sabotage) and costs (of fuel and aircrafts, tax demands etc.) are realistic. The graphics are simplified, made ​​up almost entirely of tables and texts.

Bat Cage is an action game where the player has to capture bats while fighting off other bats that try to rescue them. The playing field consists of a bat cage in the bottom and above it a bat flap around and there are also eight bat eggs bouncing around. The player controls a bar that can be moved around freely. It is used to capture the bat eggs which are taken to the bat cage where they can hatch. As soon as the hatching begins the bat at the top of the screen will attack and try to rescue the egg. The player then has to use the bar to fend it off. It works a bit similar to Breakout as the bat will bounce back up again when it makes contact with the bar. The player then scores points as long as the egg hatches. Ultimately the attacking bat will give up and retreat and the player can move on to the next egg that needs to be captured. As the game goes on the player will reach bonus levels and the number of attacking bats will increase. The game is over when the bats stay at the top of the screen and no longer attack when the player hatches his eggs. The game can be set to different skill levels (1-36) that alters the speed of the game.

Breakout 3 is based on the arcade game Breakout but instead of the bat on the bottom of the screen, the bat is on the left side of the screen. The aim is to hit bricks on the right of the screen to make them disappear but if you let the ball past the bat then you lose one of three lives. Before the start of the game you can choose whether to play with one or two bats, and playing with two bats has them parallel to each other a small distance apart. There are also three types of games to play and they are: Practise Game: A normal game with the choice to choose the speed of the bat (1-4) with 1 being the slowest. Progressive Game: Every time you hit the ball it speeds up and also removing a set of bricks makes the ball faster. Acceleration Game: The ball will speed up for every 10th brick disappearing and it speeds up when all the bricks have been removed.

J.D. Arcades is a collection of three games that contains: UXB: You have to move around a maze to catch four tumblers, which are numbered and must be collected in the correct order. Once you have collected them all then you must get to the detonator before a fuse reaches it. If you collect the wrong tumbler or hit the fuse then it is game over. Strategic Invaders: A Space Invaders clone where you control a base moving left or right, blasting aliens who are above in formation, moving across the screen, slowly descending downwards dropping bombs. Between your base and the aliens are shields which lose parts every time you hit one or the aliens do. One unique feature is that each position on the screen your base is on, only has nine shots. It is game over if you get hit by an aliens bomb or you allow them to land. Laser Patrol: A side view shooter where you must move a spacecraft up or down to either avoid or blast asteroids that move across the screen from right to left. if you hit an asteroid then it is game over.

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.

20 Years on from the Spectrum game Amusement Park 4000, the Zeddy gets a conversion of the 16K Spectrum follow-up Fun Park for Chroma-enabled ZX81s. So much has been crammed into this game; amazing colour and graphics courtesy of Jarrod Bentley, more visitors and options. There are more rides than Amusement Park 4000, and AI and strategy is more sophisticated than the 16K Spectrum version of Fun Park. You've never seen a ZX81 game that looks and plays like this.

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.

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.

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.