 This is the official release of the Prime port of the 39gII Tunnel clone written in BASIC, now adapted for the larger screen and color display. This new version adds speed throttling to ensure that the game runs as close as possible to the same speed as the original Prime on both the emulator and G2 hardware revision of the calculator. It is probably the first ever game ever made available for download for this calculator model. It isn't meant to show coding skills, especially considering the game was made before the author's knowledge of the DIMGROB_P and BLIT_P commands (although an intro transition using them was added afterward), but as you'll see on-calc, even if the entire screen content must be refreshed every frame, it still gets a high frame rate, because of how incredibly fast the calculator is, even with redrawing the entire screen rectangles and score text every frame. As for the multicolor and 3D-ish text effects, they are possible because the HP Prime lets you use text with no background, so all you have to do is superpose multiple copies of that text, gradually changing its color and position through a FOR loop. This also lets you use bold text. To play, just use the UP and DOWN keys and quit with ON.
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Two versions of the original Star Trek application, ported to Python for the Prime. One is the 1972 STTR1 by Mike Mayfield and the other is the 1973 Project Delta by Aron K. Insinga. Both run in the terminal, using ASCII art.
Prime port of Gabriele Cirulli's popular game 2048, re-written in Python.
Slide tiles to combine matching tiles into single tiles with twice the value.
The game of 2048 with touch screen support and selectable color schemes.
Simulates an air hockey table
Clone of the game Almost BlockOut, which is a kind of 3D Tetris game.
Inspired by the Angry Birds game for other mobile platforms.
Spaceship game where you must dodge asteroids and lasers.
Simulates a race between seven racers. Betting is not included.
A game for 1 or 2 players where one side must fire bullets at the other side, and the other side must avoid being hit by them.
Clone of Bejeweled, where you must swap colored blocks in order to get three in a row of the same color to eliminate them.
A simple Blackjack game. Nothing fancy. No insurance, no splitting, etc.; it was just for learning programming.
A full featured Blackjack game with card counting, basic strategy training, splitting, surrender, game saving, data collection and more. Works on Prime G2 as of latest firmware (2023 04 13).
Bounce the ball off the bricks to break them all.
Tetris clone.
Chess with AI. Checks legality of moves, and has computer vs computer too.
Classical 2 player chess game, allowing you to play using the touch screen. This version does not include check-mate or draw detection, nor does it check the legality of moves.
Two-player implementation of Chinese chess.
You have 15 numbered squares in a grid, and you must slide them around to put them in order. This update enables randomly generated color styles, each time opened, colors will be different from the former using RANDINT.
CHIP-8 is a very old simple language/virtual machine with only 4 KB of memory. This emulates several old CHIP ROMs: Pong, Space Invaders, and Tetris.
Lets the user scroll through various colors (black/blanco, gray/gris, white/blanco, etc.) using the plus and minus buttons, showing the names in both English and Spanish.
Tetris-like puzzle. It takes place inside a tall, rectangular playing area. Columns of three different symbols (such as differently-colored jewels) appear, one at a time, at the top of the well and fall to the bottom, landing either on the floor or on top of previously-fallen "Columns".
An incomplete clone of Terry Cavanagh's Copycat. Turn based action game. Written in python. Currently only 5 powers are implemented. Warning: contains bright flashing lights.
3D cube puzzle simulator, like a Rubik's Cube. A 3D cube is displayed in 3D from two views; front/top and back/bottom. Moves are made using the keypad numbers followed by + or -. A list of moves in standard form is maintained on screen, plus exported to a list variable (L0.) A help screen is supplied and accessible from the 'Help' button inside the app.
Dice throwing simulation game.
The triforce of courage was divided into eight fragments scattered around the four corners of Hyrule's sky. Fortunately the Cyclos storm god lends you his flying cloud, the famous Kinto1. The legend tells that rare are the beings able to ride it, that one must have the perfectly pure heart. Collect a maximum of fragments to realize the best possible score! The game allows you to control Kinto1 directly with your calculator, with two control modes: manual, where you control in real time the movements of the cloud with not 4 but 3 keys, and autopilot, where you provide the movements in advance in the form of a list, switching to manual mode once the list is exhausted. In either case you will be given a score that your goal is to maximize. Created for a French competition through 
Using a control panel of 30 potentiometers from 0 to 1 that control up to 252 lamps, light up the maximum number of light bulbs with minimal energy while wasting as little as possible. Created for a French competition through 
An implementation of the Dichotomy number guessing game.
A video draw poker game written in PPL. It provides two versions of Video Draw Poker for playing Jacks or Better and Deuces Wild.
A function that draws a set number of cards from a deck of 52 standard playing cards, along with a program that uses it to allow you to play poker.
Play against the computer to get five in a row first.
The object of the game is to unscramble five-letter words. You only get one chance, but there is no time limit. Try to get a high score! Written in Python.
A clone of the briefly-popular Flappy Bird mobile phone app.
Given a grid with squares of different colors, your goal is to flood the entire grid, starting in the upper left corner, with the same color within 25 steps.
The popular game of 2048, where you need to add the numbers in the squares to make powers of two.
You have 15 numbered squares in a grid, and you must slide them around to put them in order.
How well do you know your world? Touchscreen game where you are given a location and you must touch the map as close as possible to the actual location.
A simple goal shooting game. Just press left and right to move the player, ENTER to shoot, and ESC to quit.
A gravity simulator. Press shift to create a planet, alpha to create a star, and EEX to create a black hole.
A version of the classic resource management game "Hammurabi", in which the player must run ancient Sumeria for a ten-year term of office. Each year you must decide how much land to buy or sell, how much grain to feed your people, and how many acres of land to plant with seed. If you don't feed your people enough, some will starve and there is a risk of plague. If you starve too many people you will be impeached and thrown out of office before the end of the game! If you survive your ten-your term, you'll be presented with an assessment of your performance.
Implementation of hangman, where you must guess the word before the man is drawn.
Find yourself in an unknown house, with no idea how you came or how to leave. Just a simple programming exercise in the style of old text adventures with small graphics. If you have to wait for about 30 min, you can play it to fill the time.
Play the card game of Hearts.
Based on the game High Performance #1, written for the 48. The screen is divided into 9 rectangular parts (3*3), and each digit (1-9) corresponds to a random combination of rectangle that will be blacked out. From a white screen, you have to blacken the 9 zones. To add to the challenge, if one or more areas of the screen are already blackened from the combination of the number played, they become white again.
The classic text adventure game, Hunt the Wumpus, in Python ported to the HP Prime. HP Prime firmware with Python required.
Implementation of "I Wanna Be The Guy". The parameters and graphics are almost the same as the original Windows game. However, many functions such as platforms are not included for performance reasons, and the collision contact is also not as well implemented as the original one.
Another simple Tetris implementation.
The classic Space Invaders game. Shoot the aliens before they shoot you.
Clone of the famous game Space Invaders, where you must shoot the aliens before they shoot you. Also includes a level editor and a sample level.
Number guessing game.
Another implementation of the Game of Life. Presently there are three pre-canned starting patterns and the app only renders the first 50 generations but it is a start..
Fly a rocket and try to go through as many checkpoints as possible. The longer you survive, the more points you get. A rough port of a TI-84 Plus CE game.
Similar to Fruit Ninja. Use your mouse to operate. Red circles are bombs, so you should avoid cutting them.
Card game of Landlord.
Game where you must turn out all the lights.
The lunar lander is 500 ft above the moon with a downward velocity of 50 ft/s and has 120 units of fuel. The height, velocity, and remaining fuel are displayed. The program will pause for up to 60 seconds. Enter the number of units of fuel you wish to burn during the next second, then press the Enter key. The new height, velocity and remaining fuel are displayed. The maximum amount of fuel you can burn at one time is 30 units. Adapted from the Rocket program in Basic Computer Games, MicroComputer Edition, 1978 by David H. Ahl.
The lunar lander is 120 miles above the moon with a downward velocity of 3600 mph and has 16,000 pounds of fuel. The time, height, velocity, and remaining fuel are displayed. Enter the number of pounds of fuel (0, or between 8 and 200) you wish to burn per second during the next 10 seconds, then press the Enter key. The new height, velocity and remaining fuel are displayed, as well as a graph of the descent. The maximum amount of fuel you can burn at one time is 30 units. Adapted from Jim Storer's 1969 Lunar Lander simulator program that was written in FOCAL-69.
An adventure game where you must explore a tower, fight enemies, collect keys, and buy powerups.
The classic Chinese adventure game Magic Tower, where you must explore a 50-level tower, fight enemies, collect keys, and buy powerups. For a calculator game, this game is very intricate, challenging and fun. Well worth the time to defeat Zeno! Includes both the original version, with most text in Chinese, and an English translated version. Updated to work with (and also require) the April 2023 (or later) firmware.
Well-done implementation of the famous code-breaking game. Each code peg can be one of 6 colors or vacant if you choose that option. When you submit your guess, black and white key pegs will provide
feedback.
A 3D game where you need to eat 3 red diamonds and then eat the cyan diamond to win. Press alpha to step forward and shift to go backward, and use the touchscreen to look around.
A maze game written in Python with a 2D map and a 3D-like view.
A little memory game, where the numbers 1 to 9 appear on the screen and are hidden by rectangles.
Implementation of the Minehunt game from the 48 series.
A 2D Minecraft game, though still early in the development process.
A fairly faithful version of the classic Minesweeper game, where you must clear all spaces without mines.
Clone of the popular puzzle game found on most older versions of Windows. Drag on the touchscreen to move the cursor, press [ENTER] to left-click, and press [DEL] to right-click.
Faithful touch-based implementation of the mine hunting game.
A simple game where the machine randomizes between $250 to $50,000. Press [Enter] whenever you feel lucky.
Simple game where the objective is to collect dollar signs (coins) to unlock the boundary at the top of the screen to allow access to the goal. Trees block your progress. Avoid the purple foes at all times, one touch and it's over! One purple foe jumps around randomly while two fly horizontal.
This is a very basic basketball shooting game based on angle/velocity input. With animation.
Massage the possum to repel aliens from outer space! Inspired from some opossum massage video on Youtube. Originally released in April 2016 for the TI-84 Plus C Silver Edition, TI-Nspire CX, Windows and Android. Opossums are said to have good alien repelling capabilities, but to be able to do so they must be happy. On the eve of an alien invasion, you are thus sent the unholy task of massaging an opossum to send them back into space!
Tiling a Rectangle 5xN by Pentominoes. Seeks solutions (and registers in a spreadsheet), displays solutions, and rebuilds a specified solution.
Similar to the popular phone game, where you control the plants and must protect the garden from zombies.
Database of statistics, types, sizes, categories, sprites, names, categories, descriptions, typings, and more, for Pokémon characters.
Poker game.
A pong game. You can play against a second player or against the calculator. There are four different styles available, including retro and modern.
The famous PONG game, now available on the Prime. Features: 3 modes (1 Player, 2 Players, and demo), 3 difficulty levels (beginner, intermediate, expert), and black and white graphics for the real retro feeling.
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Outrun style racing game, with amazing graphics, just like the old Sega game.
Looks similar to Sokoban but is actually fairly different. There are four kinds of objects: blue cold waste (after pushing it, it will roll until it hits a barrier), red warm waste (comes from a combination of two or more cold waste and cannot be moved), animated red critical mass waste (cold waste or warm waste can change into critical mass when it touches the critical mass), and boxes (you can push them and they will not roll).
Clear the board by selecting groups of adjacent circles of the same color. The points for a group increase with its size.
SCHIP emulator, including Pong, Space Invaders and Tetris ROMs as samples. Some games don't work as expected, but it should play many CHIP and SCHIP games.
Implementation of Simon Says, where you must repeat the pattern shown to you.
A 2D open world game similar to Minecraft. You can explore an infinite world with varying terrain, build with different kinds of blocks, dig into the ground, and shoot enemies.
Simple sliding panels game.
Slider game, where the object of the game is to put the tiles back in proper numeric order.
A game where you slide a box around on a square graphic.
Recreation of the classic Snake game, where you eat dots and grow bigger, while trying not to run into yourself.
Tracks the balls and scoring when playing snooker.
Push the blocks into their storage locations without getting stuck by a wall. Lots of fun, and many levels. Now has some improvements: made compatible with the Prime G2 and the latest firmware, keys control support in addition to touch control, best scores history, last move undo, and other bug fixes.
Push the blocks into their storage locations without getting stuck by a wall. Lots of fun, and many levels. Now has some improvements: made compatible with the Prime G2 and the latest firmware, keys control support in addition to touch control, best scores history, last move undo, and other bug fixes. This is an alternative fork of the game.
Solitaire game. Build up suits top left to win. Touch a card to pick it, then tap a destination to move it. Cards can only be moved onto the same suit and in sequence.
Card game of Spider solitaire.
The beginning of an implementation of an adventure game, but never finished. Maybe somebody would like to finish it, or at least look at the source code for inspiration.
This is a Sudoku editor/solver for the HP Prime. The GUI is a bit rough, but serviceable. Allows you to select the grid size (4x4, 9x9, or 16x16), clear the grid, and solve the problem, showing trivial hints. Includes some demo problems.
A set of tools for working with Sudoku, allowing you to play the game, solve the game, or make the game.
A simple side-scrolling platformer/tunnel hybrid where you control a bouncing ball, guiding it to the end of each level. Challenge lies in getting through narrow areas or climbing stuff without bouncing back, and it gets progressively harder to do so as the game progresses. The game features physics, randomized levels, animated graphics, multiple themes to make the game look different, smooth scrolling and parallax backgrounds. Try to get as far as possible as fast as you can without running out of time to get the highest score! For speed reasons, a G2 HP Prime is recommended.
T-Rex game modeled after the one in Google Chrome. Now fixed to run on the current firmware version.
Simple implementation of the Tetris falling shapes game.
Another Tetris implementation.
Simulates the Showcase Showdown round of the game show The Price Is Right. The wheel consists of amounts from 5 cents to 1 dollar in increments of 5 cents. The goal is to get closest to $1.00 without going over. On the game show, the winner of the Showcase Showdown advances to the final Showcase round.
This is a port of "The Valley" game to the Prime. The original version was printed as a program listing in the April 1982 edition of Computing Today magazine for the Commodore PET.
Simulates rolling two six-sided dice.
Simple Tic Tac Toe game.
The developer wanted to learn about the miniMax algorithm, so he wrote this tic-tac-toe game and implemented miniMax so you could play a game against your Prime, with a full touch screen interface. It checks through 7! (5040) possible moves to make its move.
Tower of Hanoi game that allows you to enter a challenge time, and calculates the average time per move or enter an average move time and calculate how long a practical activity with real objects will need. It implements the minimum 3-towers solution to the problem. It lists the required moves in lists L1 (from) and L2 (to). There is no animation of the contents of each tower.
Simple implementation of the Towers of Hanoi game.
Make the ball jump down the track without falling off the edge. Fun! An early work in progress. Calculator must be in degrees mode or it will not run properly.
Modeled after the game board in the 1950s-1980s television show Treasure Hunt. Presents you with 12 boxes, one has $50,000. Select a box by just tapping the screen. You will then be presented with a sure thing. A choose box will be presented where you make your choice to take the sure thing or take a risk and open the box. Good luck!
A two-layer game where you must avoid hitting the opponent's trail.
Two-player implementation of Weiqi.
Guess the word in 6 tries or less.
Game created for participation in a contest by