Arcade

Before the CP System

Capcom entered the arcade market in 1984 with Vulgus, a vertical scrolling shooter that demonstrated basic technical competence. The studio’s early arcade hardware was custom but not particularly distinguished from competitors. The breakthrough came with the games, not the hardware: Ghosts ‘n Goblins (1985) succeeded on design and atmosphere rather than technical superiority.

Through the mid-1980s, Capcom released arcade titles on proprietary hardware with varying specifications per game. Titles like 1942, Commando, and Legendary Wings found audiences without a unified hardware platform. The decision to develop a standardised arcade board changed everything.

Street Fighter II and the CPS-1

The CPS-1’s defining moment was Street Fighter II: The World Warrior (March 1991). The board’s sprite capabilities allowed 16 large character sprites on screen simultaneously, with fluid animations previously impossible on arcade hardware of this price range. The game’s commercial success made the CPS-1 the most sought-after arcade platform of the early 1990s.

Operators who purchased CPS-1 cabinets could swap game boards - the hardware remained in the cabinet while different game PCBs were installed. This reduced operator costs and gave the platform an extended commercial lifespan through multiple Street Fighter II revisions: Champion Edition (1992), Hyper Fighting (1992), and Super Street Fighter II Turbo (1994, on CPS-2).

Encryption and Anti-Piracy

One of the CPS-2’s defining features was its ROM encryption system, designed to prevent the bootleg copies that had plagued the CPS-1 era. Each game cartridge contained an encryption key stored in a battery-backed chip. When the battery died, the game board became inoperable.

The encryption system was eventually cracked by the MAME community in 2001, allowing CPS-2 games to be emulated. The batteries in original boards began to die in the mid-2000s, prompting the arcade preservation community to develop techniques for replacing them before the encryption keys were lost permanently.

Q-Sound: Capcom’s Spatial Audio

The CPS-2 incorporated Capcom’s proprietary Q-Sound technology, which provided spatial audio positioning - a form of pseudo-3D sound through stereo speakers. Q-Sound made Capcom arcade games sonically distinctive in the early-to-mid 1990s, with sound effects and music that appeared to come from specific directions around the player.

The Capcom Cabinet Identity

Capcom’s arcade cabinets were recognisable by their red-and-black colour scheme - the same scarlet that defines the company’s corporate identity. The Street Fighter II cabinet, in particular, became an icon of the early 1990s arcade scene. Its six-button layout (three punches, three kicks) was novel, and the cabinet’s marquee artwork - by Akira, the renowned Japanese illustrator - gave the game a distinctive visual identity.

The CPS-1 platform allowed operators to convert existing cabinets between Street Fighter II variants and other CPS-1 games by swapping the PCB. This modularity reduced costs and extended cabinet lifespans, making Capcom an operator-friendly publisher during the boom years.

The Arcade Boom: 1991–1993

The release of Street Fighter II in 1991 triggered an arcade renaissance. Arcades that had been struggling with the home console competition (NES and SNES) suddenly had a game that could not be reproduced at home: a two-player competitive fighting experience in a social space. Queue times for Street Fighter II cabinets were measured in hours at peak locations.

The competitive scene that formed around Street Fighter II in this period - with players developing technique, combos, and character expertise - was the direct predecessor of modern esports. Capcom hosted official tournaments and the game’s competitive depth sustained interest well beyond its initial novelty.