Spatterlight is a native Cocoa application plays most kinds of interactive fiction game files: AGT, Adrift, AdvSys, Alan, Glulx, Hugo, Level 9, Magnetic Scrolls, TADS (text-only), Quill, and Z-code (except v6). Spatterlight also supports the Treaty of Babel standard for cataloguing bibliographic information about interactive fiction. The Spatterlight application is released under the GNU Public License; the interpreters and libraries it uses are freely redistributable and covered by their own specific licenses.