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Unlocking 60 FPS in Assassin's Creed IV: Black Flag varies by platform, as the game originally lacked native support for higher framerates on many systems. While a dedicated remake titled Assassin's Creed: Black Flag Resynced
is currently in development by Ubisoft, here is how to achieve 60 FPS on current hardware. PC Optimization (Framerate Cap Fix)
On PC, the game often defaults to a 30 FPS lock if it cannot maintain a perfectly stable 60 FPS, a common issue with its older engine.
Bypass the VSync Lock: The most common fix is to disable VSync within the in-game menu and instead force it through the NVIDIA Control Panel or AMD Software. assassin 39-s creed black flag 60 fps unlock
Modify .ini Files: You can manually adjust the refresh rate cap by editing the Assassins4.ini file located in your Documents folder. Change the "RefreshRate" and "DisplayableRefreshRate" values to 60 or slightly higher (e.g., 63-65) and set "Vsync" to 0.
Disable PhysX Particles: High-end graphics cards often struggle with the game's outdated NVIDIA PhysX driver. Turning this setting completely OFF (not just Low) can resolve massive stuttering and FPS drops.
Community Mods: For framerates beyond 60 FPS, community-made FPS patch mods are available, though playing over 120 FPS is known to break certain scripted NPC events. Console Status Unlocking 60 FPS in Assassin's Creed IV: Black
To avoid physics glitches, you don't want unlimited FPS; you want a smooth, high lock. RTSS is the industry standard.
AC4BFSP.exe.Why this works: RTSS hooks deeper than the game engine. It provides a frame-pacing smoothness that Ubisoft’s native V-Sync cannot achieve. At 120 FPS, the sea behaves roughly 95% correctly, with only minor glitches during heavy wave action.
Before we dive into the unlocking process, it's essential to understand a few basics: Method 2: RivaTuner Statistics Server (RTSS) Lock (Safest)
Hardware Requirements: Ensure your computer meets or exceeds the game's recommended system requirements. A strong CPU, a high-end graphics card, and sufficient RAM are crucial for achieving high frame rates.
Graphics Drivers: Make sure your graphics drivers are up to date. Both NVIDIA and AMD regularly release updates that can improve performance in specific games.
Black Flag launched in 2013 on the PS3 and Xbox 360. On those systems, it ran at 30 FPS (often dipping into the 20s during naval battles). Even the PS4 and Xbox One versions were locked at 30 FPS for years.
Here’s the kicker: 60 FPS doubles the visual fluidity. It doesn’t just look smoother—it feels more responsive. Swinging the rope dart, aiming a pistol, and timing those infamous "shanty sync buttons" become noticeably tighter. Naval combat, where you’re tracking multiple enemy ships and swiveling cannons, benefits massively from the reduced input lag.