Cosmic Executor
Full sUNC executor with a modern interface
About Cosmic
Cosmic delivers 100% sUNC for free forever: the most budget-friendly way to get full script compatibility without subscriptions. No decompiler, but the core is complete.
Status & Detection
Cosmic is working on the current Roblox version as of the Oct 7, 2026 snapshot. Roblox ships patches roughly weekly and every executor needs a quick update on patch day, but the build listed on our site is always the latest one - download it and you're set.
What the sUNC Score Means Here
With a 100% sUNC score, Cosmic covers virtually the entire Roblox script environment. Universal hub scripts, aim trainers, ESP modules, auto-farms, complex games with custom APIs - practically everything in the script community runs. The remaining percent covers edge-case functions that only a handful of scripts ever touch.
Download Cosmic - How to Install
- Pick the official domain for Cosmic from our download hub - never a YouTube description or a Discord invite.
- On Windows: run the installer, let SmartScreen through (official builds are unsigned), and place the folder somewhere permanent - some executors break when moved after install.
- Launch Roblox, join a game, then attach Cosmic and execute your script.
Cosmic for Windows
The Windows build of Cosmic is a standard executable: download, extract, run. Expect a SmartScreen warning (executor builds are unsigned) - click "More info" and "Run anyway" only if the file came from the official domain. Some antivirus tools flag injectors as false positives; that's normal for the category, unlike a wall of trojan detections on VirusTotal.
Features
- 100% sUNC
- freelifetime
- Full UNC core
- Updates included
Pros
- Cheapest full sUNC
- One-time payment
- Simple client
- Active community with regular tutorials
- Simple UI that beginners pick up fast
Cons
- No decompiler
- Down at snapshot, awaiting update
- Advanced scripts may need workarounds
- No official support channel
- UI feels dated compared to newer tools
Cosmic vs Alternatives on Windows
| Executor | sUNC | Status | Price | Key |
|---|---|---|---|---|
| 100% | WORKING | Free | ๐ keyless | |
| 100% | WORKING | Free | ๐ keyless | |
| 100% | WORKING | Free | ๐ keyless | |
| 100% | WORKING | Free | ๐ keyless | |
| 100% | WORKING | Free | ๐ keyless | |
| 100% | WORKING | Free | ๐ keyless |
Is Cosmic Safe?
The Cosmic build on our site is the verified, safe one. The only real danger in this scene is imitations: fake builds riding popular executor names ship as "updated" or "cracked" versions and quietly steal cookies, passwords and crypto wallets. Golden rule: download Cosmic only from executors.us.com - never from YouTube descriptions or Discord invites - and scan installers on VirusTotal if you want extra peace of mind (a few false positives are normal for executors).
Verdict
When updated, the best price-to-sUNC ratio among lifetime keys.
FAQ - Cosmic
Is Cosmic working right now?
Yes. Cosmic is updated for the current Roblox version - the build on our site is always the latest one.
Is Cosmic safe?
Yes. The Cosmic build on our site is verified and safe. The real danger is fake builds: download only via executors.us.com, never from YouTube descriptions or Discord invites, and scan installers on VirusTotal.
Cosmic not attaching - how to fix?
The most common causes, in order: run Cosmic as administrator; make sure Roblox is fully launched and you're in a game (not the menu); whitelist the folder in your antivirus (injectors get quarantined mid-attach); reinstall the latest build if a Roblox patch just dropped - old builds attach to nothing.
What scripts can Cosmic run?
With a 100% sUNC score, Cosmic covers virtually the entire Roblox script environment. Universal hub scripts, aim trainers, ESP modules, auto-farms, complex games with custom APIs - practically everything in the script community runs. The remaining percent covers edge-case functions that only a handful of scripts ever touch.
How do I fix a Cosmic error?
First, identify the error type. "Unknown function" means the script needs a higher sUNC executor - nothing you can fix on your side. Attach or injection errors: run as admin, disable antivirus real-time protection, reinstall. Key errors: get a fresh key. If Cosmic itself won't launch, the build is outdated after a patch - wait for the update.
Does Cosmic need a key?
No. Cosmic is fully keyless: download, install and attach - no task walls and no waiting.
Is there a Cosmic GitHub repo?
Search "Cosmic GitHub" and check that the repo is linked from the official Cosmic domain before trusting anything. Fake repos with "fixed" builds are a common scam pattern.
Similar Executors
Xeno
The most popular free executor for Windows
Wave
Full sUNC Windows executor with a surf-themed UI
Swift
Multi-platform client for PC and mobile
Solara
Open-source executor popular for its transparency