# Bloxstrap > Bloxstrap is an alternative launcher for Roblox with extra features and mods. Bloxstrap is a free, open-source alternative launcher for Roblox on Windows. It starts the standard Roblox client and adds features such as Discord Rich Presence, mod management, engine settings, game history and server location hints. It requires the Microsoft .NET 6 Desktop Runtime. Not affiliated with Roblox Corporation. Canonical download: https://bloxstraplabs.ink/download Last reviewed: 2026-10-17 ## Docs - [Bloxstrap Launcher & Bootstrapper](https://bloxstraplabs.ink/launch.md): Open-source alternative bootstrapper for Roblox on Windows 10 and 11: multi-instance launching, channel handling, and fast updates. - [Bloxstrap Mods & File Customizations](https://bloxstraplabs.ink/mods.md): Safe asset-folder mods in Bloxstrap: classic oof sound, 2006/2013 cursors, custom TTF/OTF fonts, emoji sets, and desktop icons. - [Bloxstrap Discord Rich Presence](https://bloxstraplabs.ink/rpc.md): Show the exact Roblox game you are playing on Discord with game thumbnails, elapsed timer, server join buttons, and activity tracking. - [Bloxstrap Windows Setup & Installation](https://bloxstraplabs.ink/setup.md): First-time installation guide for Bloxstrap on Windows: .NET 6 Desktop Runtime prerequisite, `%LocalAppData%\Bloxstrap`, and clean uninstall. - [Bloxstrap Engine & FastFlags](https://bloxstraplabs.ink/engine.md): Configure Roblox engine parameters through ClientAppSettings.json: framerate target, Direct3D 11 vs Vulkan, MSAA, and Voxel/Future lighting. - [Bloxstrap How-To Guides](https://bloxstraplabs.ink/howto.md): Step-by-step fixes for Roblox launch crashes, missing Discord Rich Presence, .NET runtime prompts, and reverting broken FastFlags. - [Bloxstrap vs Other Roblox Launchers & Tools](https://bloxstraplabs.ink/compare.md): How Bloxstrap compares against the stock Roblox bootstrapper, standalone RBXFPSUnlocker, Microsoft Store Roblox, Fishstrap, and RoPro. - [Bloxstrap Technical Glossary](https://bloxstraplabs.ink/words.md): Definitions of every Roblox and Bloxstrap term: FastFlag, FFlag, DFInt, FLog, Hyperion (Byfron), ActivityWatcher, and ClientAppSettings.json. - [Bloxstrap Frequently Asked Questions](https://bloxstraplabs.ink/ask.md): Clear answers on whether Bloxstrap is safe, why it cannot get you banned by Hyperion, how open-source MIT licensing works, and system specs. - [Bloxstrap Technical Topics](https://bloxstraplabs.ink/topics.md): In-depth articles on server location notifications, custom companion launches, JSON profile exports, and low-end PC optimization. - [Bloxstrap Hardware & Performance Routes](https://bloxstraplabs.ink/routes.md): Tailored Bloxstrap engine, FastFlag, and mod presets matching your Windows GPU/display tier with your exact Roblox gameplay goal. ## Featured - [How to install Bloxstrap on Windows](https://bloxstraplabs.ink/howto/install-bloxstrap-on-windows.md): Install Bloxstrap on Windows: download the installer, run setup and launch Roblox through Bloxstrap. - [Bloxstrap Launcher & Bootstrapper](https://bloxstraplabs.ink/launch.md): Open-source alternative bootstrapper for Roblox on Windows 10 and 11: multi-instance launching, channel handling, and fast updates. - [Bloxstrap Mods & File Customizations](https://bloxstraplabs.ink/mods.md): Safe asset-folder mods in Bloxstrap: classic oof sound, 2006/2013 cursors, custom TTF/OTF fonts, emoji sets, and desktop icons. - [Bloxstrap Discord Rich Presence](https://bloxstraplabs.ink/rpc.md): Show the exact Roblox game you are playing on Discord with game thumbnails, elapsed timer, server join buttons, and activity tracking. - [Bloxstrap Windows Setup & Installation](https://bloxstraplabs.ink/setup.md): First-time installation guide for Bloxstrap on Windows: .NET 6 Desktop Runtime prerequisite, `%LocalAppData%\Bloxstrap`, and clean uninstall. - [Bloxstrap Engine & FastFlags](https://bloxstraplabs.ink/engine.md): Configure Roblox engine parameters through ClientAppSettings.json: framerate target, Direct3D 11 vs Vulkan, MSAA, and Voxel/Future lighting. - [Bloxstrap How-To Guides](https://bloxstraplabs.ink/howto.md): Step-by-step fixes for Roblox launch crashes, missing Discord Rich Presence, .NET runtime prompts, and reverting broken FastFlags. - [Bloxstrap vs Other Roblox Launchers & Tools](https://bloxstraplabs.ink/compare.md): How Bloxstrap compares against the stock Roblox bootstrapper, standalone RBXFPSUnlocker, Microsoft Store Roblox, Fishstrap, and RoPro. - [Bloxstrap Technical Glossary](https://bloxstraplabs.ink/words.md): Definitions of every Roblox and Bloxstrap term: FastFlag, FFlag, DFInt, FLog, Hyperion (Byfron), ActivityWatcher, and ClientAppSettings.json. - [Bloxstrap Frequently Asked Questions](https://bloxstraplabs.ink/ask.md): Clear answers on whether Bloxstrap is safe, why it cannot get you banned by Hyperion, how open-source MIT licensing works, and system specs. - [Bloxstrap Technical Topics](https://bloxstraplabs.ink/topics.md): In-depth articles on server location notifications, custom companion launches, JSON profile exports, and low-end PC optimization. - [Bloxstrap Hardware & Performance Routes](https://bloxstraplabs.ink/routes.md): Tailored Bloxstrap engine, FastFlag, and mod presets matching your Windows GPU/display tier with your exact Roblox gameplay goal. - [Classic 'Oof' Death Sound](https://bloxstraplabs.ink/mods/old-death-sound-oof.md): Restores the iconic pre-2022 Roblox 'oof' death sound automatically across every client update. Configured via Mods → Use old death sound. - [Custom In-Game Font (TTF / OTF)](https://bloxstraplabs.ink/mods/custom-font-ttf-otf.md): Replaces default Builder Sans / Gotham UI text across all Roblox menus and chat boxes with any `.ttf` or `.otf` font file on your PC. Configured via Mods → Choose custom font. - [Framerate Limit / FPS Unlocker (DFIntTaskSchedulerTargetFps)](https://bloxstraplabs.ink/engine/dfint-task-scheduler-target-fps.md): Sets the native Roblox task scheduler framerate ceiling without external DLL injection or memory tampering. Underlying key: DFIntTaskSchedulerTargetFps. - [Rendering Mode (Direct3D 11, Direct3D 10, Vulkan, OpenGL)](https://bloxstraplabs.ink/engine/direct3d-11-vs-vulkan-opengl.md): Switches the graphics API used by RobloxPlayerBeta.exe to lower CPU driver overhead or fix GPU driver crashes. Underlying key: FFlagDebugGraphicsPreferD3D11 / PreferVulkan. - [Bloxstrap vs Official Roblox Player Launcher](https://bloxstraplabs.ink/compare/bloxstrap-vs-official-roblox-launcher.md): Bloxstrap launches the exact same official signed RobloxPlayerBeta.exe binary while adding Discord Rich Presence, persistent mods, server region alerts, and a GUI FastFlag manager. - [Bloxstrap vs Standalone RBXFPSUnlocker (axstin)](https://bloxstraplabs.ink/compare/bloxstrap-vs-rbxfpsunlocker.md): Standalone memory-injecting FPS unlockers are obsolete and blocked by Hyperion; Bloxstrap unlocks FPS natively via ClientAppSettings.json FastFlags. ## Optional - [Full catalog](https://bloxstraplabs.ink/llms-full.txt): every topic page in Markdown - [Sitemap](https://bloxstraplabs.ink/sitemap.xml)