Popular games for platform Sinclair ZX81

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.

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.

A Pac-Man clone without the power ups.

A compilation of 6 games for a ZX81 with a 16K memory expansion module. Lunar Landing The lunar excursion module starts in a atable lunar orbit. You can control it to bring it a soft landing on the moon. Twenty One The card game of Twenty One Combat You are in a spacecraft equiped with 12 missiles with which you have to fight of aliens. Substrike Within a grid you have to fight of submarines using depth charges. Codebreaker A Mastermind like game Mayday You have to find a person lost in space (7x7x7 grid).

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.

Pinball recreates a pinball table where the aim is to keep hitting a ball to score as many points as you can with two flippers. The table is equipped with bumpers and letters spelling TIMEX, as well as two lanes that when entered give bonus points. There are also two outside lanes that when entered lose the ball and if the ball also passes the flippers then you lose one of five lives.

Pac Man clone.

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.

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.

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.

Place the arrow, change the direction of the car, and pass all the flags to clear the game. If the car goes off-screen or hits a rock, it is a failure. If the car hits a wall, it will flip, but the wall will disappear.

The game is cleared when all the stars are taken. The cracked floor disappears when you pass over it, so you can only pass through it once.

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.

Aeroporto 83 is an action shooter game developed by Renato Degiovani and published by the magazine Micro Sistemas, it is considered to be one of the first Brazilian computer games to be commercially released.

Tournament Tennis is an early tennis game featuring or even creating many conventions that would become standard features in later tennis simulations. Matches can be played at quarter-final, semi-final or final level - winning at one level automatically moves the player to the next one. They can last for 3 or 5 sets, with a player requiring a 2-game lead to win a set, though a tie-break comes in at 6–6 in all but the final set.

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.

Namtir Raiders is a fixed screen shoot 'em up. The objective is simply to shoot down as many enemy raiders as possible and save the earth. There are four waves of enemies and each wave has a different kind of enemy. The movement of the ship is a bit different from other shoot 'em ups. Rather than having keys for up, down, left and right, they here lead to diagonal moves (for example up and left, down and right). The player has five lives and earns more when all four waves have been completed. Once they have the game starts over with the first wave. A difficulty level between one and three can be chosen before the game begins. The higher levels run at a higher pace.

QS Asteroids is a fairly basic conversion of the original arcade game. The action starts immediately after loading (no title or options screens here) and players finds themselves in a space ship in the middle of the screen with numerous asteroids passing by. To control the ship, two keys are used for rotating it, one for shooting and another for thrusting it forward. Shooting can be done in eight directions. On an unmodified ZX81, the ship is represented by a number which changes with rotation (For example 0 means it's pointing up, while 4 is down) and the asteroids are o's, while users with a QS CHRS board get graphics more similar to the arcade original. The player starts with three ships and after 10,000 points a bonus ship is given. Asteroids appear in waves. The first one has two large ones and the number increases with each new wave.