How are video games made? Game studios rely on teams of people, such as designers, programmers and artists, to make video games; a game has sound effects and music, and people on the team work on them. Programmers do the technical work that makes a game's ideas work. Artists make the pictures in a game, such as its characters. The art director keeps the overall style and look of a game consistent, within time and budget limits. You may have heard that one person makes a whole video game. In fact, most are built by teams of designers, artists, programmers, sound people and testers.

Here are more jobs on the team. Art and design staff are expected to work closely with other teams, balance quality with performance, and make sure the assets they make function. Artists in real-time work often start as junior artists, become senior artists after a few years, and may later become supervisors or creative directors. Programming jobs in real-time projects such as games create the functionality, including gameplay, networking and artificial intelligence; programmers in game roles spend most of their time writing and revising code, researching new techniques and optimizing their projects for performance. A gameplay programmer studies the game design documents and builds systems such as the player's actions, character behavior, game elements and game progression; a localization specialist translates, tests and adapts a game so it works for players from different backgrounds. A community manager looks after the community around a game: attending events, writing newsletters, and answering player feedback.

Designers and planners start the work. Game designers write detailed game design documents that outline visual mockups, mechanics, features and workflows; game designers build small game prototypes to test out fun ideas for mechanics and worldbuilding. Game designers balance mechanics to give the right amount of challenge while staying fair; small changes to movement speed, timing, collisions or controls can change how a game feels. Designers have people play a game and use what they learn to change it; before a game can begin development, its idea must be approved by the publisher or developer. In pre-production, a team defines game details such as levels, play mechanics and character sets, and makes visualizations of what the game will look like; a prototype is a simple early version of a game that a team builds to see if an idea works. In an early prototype, a player character might be a floating capsule and a level an empty room.

Games run on engines. A game engine is a software platform with the tools a team uses to build a game; games are made of smaller pieces such as 3D models, scripts and audio files, and a game engine is where all the parts of making a game come together. Inside a game engine you do not create assets; assets such as objects and sounds are made in specialized outside programs called digital content creation (DCC) tools; Blender is not a game engine but is used to make assets that are exported into engines like Unity or Unreal. Different game engines suit different games: some make 2D visual novels and others suit 3D sandbox games. Unity is a game engine used to make both 2D and 3D games. Godot is a game engine that can make both 2D and 3D games.

Next, how teams work through a game. One Unity course splits game development into four phases. In pre-production you conceive ideas, make prototypes and draft a game design document. Production then builds the game from that blueprint through designing, coding and testing; in Unity's model, post-production wraps up the game with more testing, refined mechanics, polished art and tweaked sound. The fourth phase, operations, starts after release and covers updates, patches and customer service. Unity's playtest guide tells teams to let testers play without interference, then gather feedback by conversation or questionnaire. It says to prioritize feedback by its impact on player experience, make changes, and repeat, since iteration is key.

Then comes testing. If a bug gets into a released game, players will find it, so testers try to find bugs first; QA testers do two things at once: check that the software works as users expect, and investigate unknowns and risks that could hurt the user's experience. A game QA tester notes each possible bug, the steps to reproduce it, and how serious it is: low, medium, high or game-breaking; after developers mark a bug as fixed, the QA tester repeats the same steps to make sure the problem is gone. Testers prioritize bugs so developers can tell a critical bug from a nice-to-have fix; game testers also test across multiple platforms to see whether the same bugs appear. Game testers check a game for bugs and other problems while it is being made.

Games are older than Pong. In 1958, a scientist at a laboratory in New York helped make Tennis for Two, an early electronic game that visitors could play; the Whirlwind computer, built at MIT in the 1950s, had a bouncing-ball simulation that was turned into a kind of game by adding a target. A blackjack game for it probably was written to test what the machine could do. Steve Russell set out to build Spacewar! on MIT's new PDP-1 minicomputer. By 1962, with help from others, it had two players flying spaceships that circled a sun, and skilled players learned to use its gravity to outfox opponents and dodge torpedoes. Nolan Bushnell wanted to turn Spacewar! into a coin-operated arcade game, but the only computers able to run it cost over $100,000. He and Ted Dabney instead made cheaper custom hardware running a simpler, single-player version, which they debuted as Computer Space.

Now, Pong. Magnavox released the Odyssey in 1972, shortly before arcade Pong, after six years of work by its creator Ralph Baer. Atari engineer Allan Alcorn built Pong after his boss asked for a simple game based on Ping-Pong. The first Pong machine, in a Sunnyvale, California, bar, stopped working because it was full of quarters. Soon after Pong came out, Atari had tens of thousands of copies in restaurants and bars across the country, and the arcade era had begun. Atari released the arcade game Pong in 1972. Spacewar!, made at MIT in the early 1960s, is one of the earliest games for a digital computer. You may have heard that Pong was the very first video game. In fact, Tennis for Two and Spacewar! came earlier.

Some games of those years. The Legend of Zelda, first released in 1986, let players explore its world in whatever order they chose. The Strong museum notes it was also the first console game in the North American market with an internal battery to back up saved data. Three student teachers made The Oregon Trail in 1971 for Minnesota schoolchildren, first programming it on a teletype printer. Players chose what to bring and how fast to travel. When one of them joined MECC in 1974, MECC built a version for schools. According to its designer, Toru Iwatani, the name Pac-Man comes from the Japanese paku-paku, an imitation of the sound of eating. The maze game became a mass hit. The museum calls it the best-selling arcade video game ever. Alexey Pajitnov made Tetris in 1984 by adapting the pentominoes puzzle for computers, with seven different shapes. As play goes on, the pieces fall ever faster.

Here is where games stand. Video games are played on many kinds of machines, such as computers, game consoles and phones. More than 205 million Americans play games, according to the ESA's 2025 Essential Facts report. In the ESA's 2026 report, the top two reasons Americans play games were to relax and to have fun; a 2017 conference abstract said that reward schedules, operating on operant conditioning principles, may encourage excessive gameplay behavior. An ESRB rating of E means the content is generally suitable for all ages, as of November 2026; the U.S. game industry creates and supports more than 250,000 jobs and about $95.8 billion in total economic impact, according to the ESA's 2026 report. In 2025, 90% of the 6,761 ESRB ratings assigned were E, E10+, or T; in the ESA's 2025 report, 82% of players age 8 and older used a mobile device to play games.

Words to know

• prototype: early version
• engine: building platform
• assets: objects and sounds
• localization: adapting games