S-GAME has not published an official main-story length, completionist estimate, or speedrun time for Phantom Blade Zero. Any exact number of hours circulating before release is therefore not a verified game-length answer.
No official hour count yet
The official site, preorder material, and Steam listing provide story, combat, platform, and edition information, but they do not publish a finished-playtime figure. A cinematic trailer cannot establish campaign length. This page will not turn a preview impression or a creator's estimate into a confirmed number.
Why estimates can differ
Action RPG playtime varies with difficulty choices, exploration, optional encounters, and how much a player experiments with combat. S-GAME has shown interconnected levels and cinematic encounters, but has not published a complete map, objective list, or completion requirements. Those missing details make a reliable pre-release hour estimate impossible.
What to check after release
Once the game is available, players can compare completed saves, official guidance, and clearly labeled community completion data. Until then, plan purchases around the confirmed release date, platform, and price rather than an unverified length claim. Keep an eye on S-GAME's official channels for any direct update.
Official sources
Official website: https://pbz.s-game.com/
Official Steam store page: https://store.steampowered.com/app/4115450/Phantom_Blade_Zero?utm_source=officialwebsite