Sega · 1993 · 1993 – 1998
CPU: Intel i960KB @ 25 MHz + Motorola 68000 @ 10 MHz (audio)
The Sega Model 2 was the arcade board that brought texture-mapped 3D polygons to the coin-op mainstream, powering Daytona USA, Virtua Fighter 2, Sega Rally, and The House of the Dead — the games that defined the mid-1990s arcade at the peak of its technical and commercial dominance.
Sega's AM2 division, led by Yu Suzuki, had introduced real-time 3D polygon arcade gaming with the Model 1 board in 1992, running Virtua Racing and the original Virtua Fighter with flat-shaded, untextured polygons. The Model 2, arriving in 1993, added the single feature that transformed 3D arcade games from technical curiosities into visually convincing worlds: texture mapping. Where Model 1 characters and vehicles were built from solid-coloured geometric facets, Model 2 could paint bitmap images onto polygon surfaces, giving Daytona USA's race cars painted liveries, Virtua Fighter 2's fighters detailed clothing and faces, and every stage a sense of material reality that flat shading could not produce. The hardware was built around an Intel i960KB RISC processor running at 25 MHz — an unusual CPU choice that had only been released in 1993 and gave Sega's engineers early-adopter difficulties — paired with a custom graphics subsystem developed with contributions from Martin Marietta's expertise in military simulation rendering. The board supported texture filtering, texture anti-aliasing, and trilinear filtering, techniques borrowed from the professional flight-simulation world that made textured surfaces appear smooth rather than blocky as objects moved toward or away from the camera. This filtering gave Model 2 games a visual polish that competing arcade 3D hardware of the period could not match, and that home consoles would not approach for years. The game library reads as a roll call of the era's most influential titles. Daytona USA (1993) became one of the best-earning arcade games in history, its eight-car races and singalong soundtrack fixtures of arcades worldwide. Virtua Fighter 2 (1994) ran at 57.5 frames per second at high resolution with no slowdown, rendering its fighters with texture mapping and animating them with motion-capture data — a combination that set the standard for 3D fighting games. Sega Rally Championship (1995) introduced surface-dependent handling that made driving on tarmac, gravel, and mud feel physically distinct, and The House of the Dead (1996) brought the board's texturing to the light-gun horror genre. The Model 2 existed in several revisions — Model 2, 2A, 2B, and 2C — with incremental improvements to the graphics and geometry hardware across the series. It was Sega's dominant arcade platform through the mid-1990s, the commercial and creative high-water mark of the company's coin-op division before the Model 3 succeeded it in 1996. The board is emulated today by a dedicated project, and its library is preserved as one of the most important bodies of work in arcade history — the moment 3D arcade gaming matured from a novelty into the industry's defining form.