The game that launched the golden age of arcades
Space Invaders was designed by Tomohiro Nishikado and released by Taito Corporation in Japan in June 1978. Nishikado spent a full year creating both the game and the custom hardware to run it, as existing arcade hardware was too slow to move multiple enemy sprites.
The game was inspired by H.G. Wells' "The War of the Worlds" and early sci-fi films. The descending rows of pixelated aliens were originally meant to be humans, but Nishikado changed them to aliens after realizing depicting humans being shot was inappropriate.
Space Invaders caused a national coin shortage in Japan. By 1980, the game had grossed $2 billion worldwide — equivalent to roughly $8 billion today. Atari paid $2 million for the home console rights, and the Atari 2600 version quadrupled the console's sales.
The game introduced concepts we now take for granted: a persistent high score table, progressive difficulty (the aliens speed up as their numbers decrease), and the concept of "lives".
One of Space Invaders' most famous features was unintentional. The game was designed so that as aliens were destroyed, the remaining ones would move faster — but this was actually a hardware limitation. The processor could update fewer sprites faster. Nishikado turned this bug into a feature, and difficulty scaling was born.
The four protective bunkers that players could hide behind were another innovation — destructible environments that changed gameplay strategy over time.
Space Invaders is widely credited with establishing the video game industry as a serious commercial force. Before Space Invaders, video games were a novelty; after it, they were a global industry. The game's alien sprite became one of the most recognized symbols of gaming culture worldwide.
French street artist Invader has installed over 4,000 mosaic Space Invader artworks in cities across the world, cementing the game's place in broader culture.
Space Invaders has been ported to over 100 platforms and has sold over 13 million copies in home versions alone. It appeared in the 2015 film "Pixels" and remains a staple of retro gaming culture. The game was added to the World Video Game Hall of Fame in 2016.
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