Which platform received the first release of Tony Hawk's Pro Skater in 1999?

The first release of Tony Hawk's Pro Skater in 1999 was on the PlayStation. The game debuted as a Sony console title before Activision and its development partners brought it to additional platforms.

Neversoft developed the game with Activision as publisher, building an arcade-style skateboarding experience around real professional skaters, trick combinations, objectives, and licensed music. Its PlayStation debut helped establish the series before ports appeared for systems including the Nintendo 64, Dreamcast, and Game Boy Color.

The main source of confusion is that the game became strongly associated with multiple late-1990s and early-2000s consoles. Those versions were ports or regional releases, not the original platform debut. The PlayStation version is therefore the canonical answer when the question asks where the game first appeared in 1999.