The 20 Games Challenge
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List of Games

Below, you will find a list of every game that I thought to add to the challenge. If you think that a game is missing, feel free to check the contributing page to get it added!

I’m still adding details for the majority of these games

Each game in the list below will have a short description, as well as a Definition of Done and a difficulty estimate. Click on the game name to see its details.

A Game! - some basic shooter

Here is some fun information about the game. Release date, random trivia, etc.

Difficulty

Difficulty will be split into two parts: Complexity and Scope.

Complexity *Out of 5 stars total
Scope *Out of 5 stars total

Complexity is the technical level of the game. More advanced topics will have a higher score than less advanced topics.

Scope is the amount of stuff you will need to make. Art, animation, music, etc. More stuff will take longer to make.

This is a best-guess estimate. More stars means that you will need to dedicate more time to learning or making content.

Definition of Done

Here is a list of game elements that you will need to complete. Once you do everything on the list, you can say that you made this game!

  • Player
  • Enemies
  • Bullets and collision
  • etc.

Stretch goal: This isn’t strictly necessary, but you should add one or more of these if you have time.

  • Particle effects
  • Pause menu
  • etc.

Showcase

You are not the first person to try to make this game! Here are some success stories and helpful resources related to this game.

I’m currently trying to sort and evaluate the games below. Each one will get its own page, with a more detailed and accurate estimate of complexity and scope. For now, everything on this page is a best guess.

The challenge page is a good place to start in the meantime.

Game List:

Game Complexity Scope Platform Release Year
Pong 0.5 0.5 Arcade, Console 1972
Flappy Bird 1.0 1.0 Mobile 2013
Breakout 0.5 0.5 Arcade, Console 1976
Jetpack Joyride 1.0 1.5 Mobile 2011
Space Invaders 1.5 2.0 Arcade 1978
Frogger 1.5 2.0 Arcade 1981
River Raid 2.0 2.0 Console 1982
Asteroids 1.5 1.0 Arcade 1979
Spacewar! 1.5 1.0 Arcade 1979
Indy 500 2.0 1.0 Arcade 1979
Lunar Lander 2.0 1.0 Arcade 1979
Pac-Man 2.0 1.5 Arcade 1980
Tic-Tac-Toe 2.0 1.5 Hardware 1950
Conway’s Game of Life 2.0 1.5 Various 1970
Mario Bros 2.5 3.0 Arcade 1985
Pitfall 2.5 3.0 Arcade 1982
VVVVVV 2.0 2.0 Computer 2010
Worms 3.0 3.0 Computer 1995
Dig Dug 2.5 2.0 Arcade 1982
(Super) Motherload 2.5 2.5 Web (Flash) 2013
Super Monkey Ball 3.5 3.0 Console 2001
Star Fox 3.5 4.0 Console 1993
Crash Bandicoot 3.5 3.5 Console 1996
Doom 3.5 3.5 Computer 1993
Mario Kart 3.5 3.5 Console 1992
Minecraft 4.0 2.0 Computer 2009
Portal 4.0 3.0 Computer 2007
Chrome Dinosaur Game 0.5 0.5 Web 2014
Moon Patrol 1.5 2.0 Arcade 1982
Blokade (Snake) 1.0 0.5 Arcade 1976
Tetris 2.0 1.0 Console, Handheld 1984
Snail Maze 1.0 1.0 Console 1986
Missile Command 1.5 1.5 Arcade 1980
Doodle Jump 1.5 1.0 Mobile 2009
Donkey Kong 2.0 1.5 Arcade 1981
The Legend of Zelda 2.0 3.0 Console 1986
Cookie Clicker 1.0 1.0 Computer 2013
Zork 2.0 1.0 Computer 1980
Minesweeper 1.5 1.0 Computer 1989
Bejeweled 1.5 1.0 Computer 2001
Guitar Hero 1.5 1.5 Console 2005
Super Mario Bros 2.0 2.0 Console 1985
Peggle 2.0 2.0 Computer 2007
Rogue 2.5 1.0 Computer 1980
Sonic the Hedgehog 2.5 3.0 Console 1991
Line Rider 3.0 1.0 Computer 2006
Hill Climb Racing 2.5 2.5 Mobile 2012
Marble Madness 3.0 2.0 Arcade 1984
Rampage 2.5 3.0 Arcade 1986
Lemmings 3.0 3.0 Computer 1991
Prince of Persia 3.5 3.5 Computer 1989
Pokémon 3.5 3.0 Handheld 1996
Full Tilt Pinball 2.5 2.5 Computer 1995
Tiny Wings 2.5 2.0 Mobile 2011
Secret of Monkey Island 4.0 4.0 Console 1990
Double Dragon 3.5 4.5 Arcade 1987
Zaxxon 3.0 3.0 Arcade 1981
Maze War 2.0 1.0 Computer 1974
Wipeout (F0) 4.0 3.0 Console 1995
Diablo 3.5 5.0 Computer 1997
Quake 4.0 3.0 Computer 1996
Super Mario 64 4.5 4.0 Console 1996
Rocket League 4.5 2.5 Console, PC 2015
Gran Turismo 5.0 4.0 Console 1997
FTL: Faster Than Light 4.5 5.0 Computer 2012
Roller Coaster Tycoon 5.0 5.0 Computer 1999
Star Craft 5.0 5.0 Computer 1998
Dune II 5.0 5.0 Computer 1992
Sim City 5.0 3.5 Computer 1989
The Sims 5.0 5.0 Computer 2000
Command & Conquer 5.0 5.0 Computer 1995