The Spectral Game practices the elucidation of structures using spectroscopy, particularly H NMR but also including C NMR, IR and NIR. Click on the structure corresponding to the spectrum provided. Left click and drag across any part of the spectrum to zoom in. Right click for more options on the spectrum. Spectra are in JCAMP-DX format and obtained from Open Data deposits in the ChemSpider database. More information is provided in this paper. Created by Jean-Claude Bradley, Robert Lancashire, Andrew Lang and Antony Williams.