---
title: "Anti-Aliasing Quality (FIntDebugForceMSAASamples) — Bloxstrap Engine & FastFlag Reference"
description: "Configure Anti-Aliasing Quality (FIntDebugForceMSAASamples) (FIntDebugForceMSAASamples) in Bloxstrap via Engine Settings → Anti-aliasing quality (MSAA). Supported values: Automatic, 1x (Off), 2x, 4x."
canonical: https://bloxstraplabs.ink/engine/msaa-anti-aliasing-quality
updated: 2026-10-17
---

# Anti-Aliasing Quality (FIntDebugForceMSAASamples)

Locks Multisample Anti-Aliasing sample count to eliminate jagged brick edges or disable MSAA for maximum competitive frame rates. Underlying key: FIntDebugForceMSAASamples.

## Facts (2026-10-17)

- **Setting:** Anti-Aliasing Quality (FIntDebugForceMSAASamples)
- **FastFlag Key:** FIntDebugForceMSAASamples
- **GUI Location:** Engine Settings → Anti-aliasing quality (MSAA)
- **Supported Values:** Automatic, 1x (Off), 2x, 4x

## How Anti-Aliasing Quality (FIntDebugForceMSAASamples) works in ClientAppSettings.json

Locks Multisample Anti-Aliasing sample count to eliminate jagged brick edges or disable MSAA for maximum competitive frame rates.

When you adjust **Engine Settings → Anti-aliasing quality (MSAA)** inside Bloxstrap, the bootstrapper writes `FIntDebugForceMSAASamples` into `ClientSettings\ClientAppSettings.json` before `RobloxPlayerBeta.exe` initializes its renderer.

## Recommended values and stability tips

- **Accepted values:** `Automatic, 1x (Off), 2x, 4x`. Stick to the built-in GUI preset under [Engine Settings](https://bloxstraplabs.ink/engine) unless you are testing a specific JSON override.
- **Resetting:** If a custom value causes visual artifacts or a startup crash, use [Reset FastFlags to default](https://bloxstraplabs.ink/engine/how-to-reset-fastflags-to-default-bloxstrap).
- **Installer:** Download the latest Windows build of Bloxstrap from [/download](https://bloxstraplabs.ink/download).

## FAQ

### What FastFlag does "Anti-Aliasing Quality (FIntDebugForceMSAASamples)" control?

It manages `FIntDebugForceMSAASamples` inside `ClientAppSettings.json`, accessible directly via **Engine Settings → Anti-aliasing quality (MSAA)**.

### Will this setting reset when Roblox updates?

No. Bloxstrap rewrites `ClientAppSettings.json` into the new Roblox version folder on every launch.

## Related

- [Bloxstrap Engine & FastFlags](https://bloxstraplabs.ink/engine)
- [Best Bloxstrap FastFlags for High FPS & Smooth Frame Pacing](https://bloxstraplabs.ink/engine/best-bloxstrap-fastflags-for-fps-and-low-ping)
- [FastFlags (FFlag, DFInt, FString, FLog)](https://bloxstraplabs.ink/words/fastflags-fflags)
- [Bloxstrap Windows Setup & Installation](https://bloxstraplabs.ink/setup)
- [Framerate Limit / FPS Unlocker (DFIntTaskSchedulerTargetFps)](https://bloxstraplabs.ink/engine/dfint-task-scheduler-target-fps)

## Download

Free Windows app: [Download Bloxstrap](https://bloxstraplabs.ink/download)

Markdown mirror: https://bloxstraplabs.ink/engine/msaa-anti-aliasing-quality.md