First person 3D viewpoint games

Frontier: Elite II is a classic space simulation and trading game released in 1993, developed by David Braben and his company Frontier Developments. Frontier is the sequel to the pioneering 1984 game Elite and is often considered a landmark title in the space simulation genre.

Grand Prix 2 is an abandoned Formula 1 racing game designed by Geoff Crammond and published by MicroProse Software in 1995 for DOS. Grand Prix 2 is the sequel to Formula One Grand Prix and was a one-man project (which was uncommon at the time). Grand Prix 2 was essentially an accurate simulation of the 1994 Formula 1 season.

Hi-Octane is an abandoned futuristic combat racing game developed by Bullfrog and released by Electronic Arts in 1995. Hi-Octane was published for DOS and a few consoles: PlayStation, PSP, PS Vita, SEGA Saturn. It's based on the same code used for Magic Carpet, a well known game also made by Bullfrog.

Hired Guns is an abandoned game developed by DMA Design and published by Psygnosis in 1993 for DOS and Amiga platforms. Hired Guns is a sci-fi RPG in which you control four mercenaries in four individual simultaneous first person sub-screens tasked with destroying all the bad guys from a single planet.

House of the Dead is an old horror-themed rail shooter game, developed and released by Sega in 1998. The whole gameplay can be summarized in a single sentence "a first-person 3D shooting gallery with zombies". House of the Dead runs on older version of Windows, so you may need a virtual machine to play it properly.