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Welcome to Source Level Editor 2.104!
Source Level Editor is a fork of Valve Hammer Editor designed for enhanced mapping experience.

Valve Hammer Editor is a trademark of Valve Corporation.
Source Level Editor is made for personal, non-profit use.

FAQ

Setup Guide

User's Guide

Hotkey Reference

If you wish to report an issue or suggest a feature, check the Issues page.

Check the Releases page for updates.