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FastFlags
FastFlags are Roblox engine configuration values that GokuTrap can write into the client's settings before launch.
Default: on.
A master switch. When off, nothing configured on this page is applied to Roblox, even if you have presets or flags saved. This is the quickest way to be certain Roblox is running untouched.
Roblox only applies whitelisted FFlags.
A flag that is not on Roblox's published local-configuration allowlist may be ignored entirely, or may stop working in a future client update.
GokuTrap never claims a flag will definitely do something. Effects depend on your client version, GPU and renderer. See Platform-Limits.
| Preset | What it does |
|---|---|
| Anti-aliasing quality (MSAA) | Default, 1x, 2x or 4x. Sets FIntDebugForceMSAASamples
|
| Rendering mode | Default, Vulkan or D3D11. Vulkan is faster on some systems; D3D11 is the safer default on unusual hardware |
| Preserve rendering quality with display scaling | Stops Roblox reducing render quality when Windows display scaling is not 100% |
| Geometry | Controls how Roblox renders 3D geometry |
| Mesh detail | Controls mesh detail in game |
Warning Lower mesh detail qualities can cause meshes to disappear in some experiences.
| Preset | What it does |
|---|---|
| Fullscreen titlebar | Stops the title bar appearing when you move the mouse to the top of the screen |
| Preset | What it does |
|---|---|
| Menu debloat | Reduces the in-game menu using FastFlags |
Direct3D exclusive fullscreen via Alt+Enter is enabled by default in Roblox. See Crosshair-Overlay for why that matters to the overlay.
Sets DFIntDebugFRMQualityLevelOverride — the frame-render-manager quality level Roblox should use. This is a rendering-quality control only. No network settings are changed.
A separate, hidden page (FastFlag editor) reachable only by explicitly opening it. It lets you manage arbitrary flags by name and value.
Use with caution. Arbitrary flags are unvalidated by GokuTrap. A wrong value can degrade or break your client. The page carries its own warning for this reason.
If a flag you set causes problems, remove it in the editor, or use Reset everything to defaults to clear the whole profile.
- Flags are regenerated into Roblox's client settings on every launch, so a flag that disappears from GokuTrap's configuration disappears from Roblox too.
- Saving a FastFlag profile writes to GokuTrap's settings; the client file is derived.
- Reset everything to defaults returns the managed profile to its shipped state. It does not restore flags you set in the raw editor for keys GokuTrap does not manage — remove those individually.
Community-Hub offers curated, schema-validated presets fetched from the repository. They overlap with two of the flags above and are distinguished by showing an exact diff before you apply anything, and by offering a conflict-aware restore.
- Global-Basic-Settings — in-game settings, including framerate cap
- Settings-Overview — how and when settings are saved
- Troubleshooting — "Roblox ignores my flag"