OpenTTD requires a separate base graphics set to run, which can be downloaded through the installer (Windows) or on first run (Windows, Linux). In case you want to manually download and install it, some options are:

• OpenGFX (graphics)
• The Transport Tycoon Deluxe data files can be used as base graphics set. You must own a version of Transport Tycoon Deluxe; they cannot be downloaded.

Sound and music sets are recommended (but not necessary). OpenSFX (sound), and OpenMSX (music) can be installed via the installer or - if you own the CD - also the Transport Tycoon Deluxe sound and music.

Additional graphics, sound, and music sets can be downloaded via the ingame content download manager.

Please refer to the readme for more information.

For all binaries officially released by us we publish the MD5, SHA1, and SHA256 checksums. You can use these checksums to check whether the file you downloaded has been modified. All three checksums should match the file you downloaded; if this is not the case it means that either the file didn't come from us or that it got broken during transport. Either way it might possibly contain dangerous modifications and the file should therefore not be trusted!

Latest release in master is 20191012-master-gac21118736, released on 2019-10-12 18:01 UTC.

• Documentation for AI scripting (xz/lzma archive)
  [ 301.6 KiB ]
  [ Checksums ]
  md5sum   : 7ea619a102caf23967dae4b2b402e598
  sha1sum  : 773dfb5b12d092cb05147d4e0f215f21faef5dfd
  sha256sum: 1ae385dfe6f2aba2c3ad00afc49c1aef3003855b16a0dc6bb0dbcbfc7fda1d05
  
• Documentation for Game scripting (xz/lzma archive)
  [ 385.9 KiB ]
  [ Checksums ]
  md5sum   : 7c2fdd1da7a2163fd67cba451dd9abaf
  sha1sum  : 99e5b715903316a3365e51582c8253aa6e593ccf
  sha256sum: b94c456b5e5804b257e0d7147b7445a4fef7ce3f5906cdec9a8c67a1f75ca7f1
  
• Documentation of Source (xz/lzma archive)
  [ 11.1 MiB ]
  [ Checksums ]
  md5sum   : 745a7c7e86a4b014405bfbe9b4748f38
  sha1sum  : f2ce94cdca623d56e3a27391e3296c7bc3d6414f
  sha256sum: c6384227020929583f865b40427a64c0b41a61f20739d4f26d9845dc553d13c7
  
• MacOS 10.12+ (Apple Disk Image)
  [ 8.5 MiB ]
  [ Checksums ]
  md5sum   : 3df6e4524e38adaf70afd5187465b578
  sha1sum  : 6ebccade337260ca37caf196a165994617f375f5
  sha256sum: ecb9bf26fa2b033ac121efb515839bc1e8f334fe76ba1f1c33cd135da3f02bf4
  
• MacOS 10.12+ (zip archive)
  [ 6.8 MiB ]
  [ Checksums ]
  md5sum   : 252ec8b653bae42548f80c10d1c99899
  sha1sum  : bfd7535ccd16b4c985f05c374f090461b77d5978
  sha256sum: 5ef3c64588375e3fcad2a0db657af4bde3f0277e9ae86b1f0d40c51e683f648e
  
• Sources (xz/lzma archive)
  [ 6.4 MiB ]
  [ Checksums ]
  md5sum   : c678707481b3c71f5682a200c9127173
  sha1sum  : f84c6df6e3a3cd4210186d017eff37b9a0b61974
  sha256sum: 567ea12f4042ee5caf32fb6c5383749f24cafc8162108680963ee819898520a7
  
• Sources (zip archive)
  [ 10.8 MiB ]
  [ Checksums ]
  md5sum   : 449e6319e282f9042af7578e85e8acba
  sha1sum  : 146aadf5e08dabdb0b02caf6b958d07cf4ec3239
  sha256sum: a8184d4351d0ab60c36425bca2c433a4c7b13c95a5d7a4a78c99aef13bd6a3c1
  
• Windows XP with SP3 / Vista / 7 / 8 / 10 (32bit) (zip archive)
  [ 5.4 MiB ]
  [ Checksums ]
  md5sum   : b83afe685983687d7e96d64a7ce70221
  sha1sum  : fc2d54403a5ce7916d113d85ca37cd23563b6cff
  sha256sum: 3644bc0d24b8cbfd0d5540fb262a8fd11d4f6e509b8b35a61db085acda9d3a9b
  
• Windows XP / Vista / 7 / 8 / 10 (64bit) (zip archive)
  [ 5.9 MiB ]
  [ Checksums ]
  md5sum   : 2f9b30431bebd7e9bfb871e45d835f23
  sha1sum  : 7caa80d2162c95f22354a853cd591db4babde8b3
  sha256sum: 6cffe918b9386558ed5b4be036c098331860df544cb23e7bcffb9bb90e9bbf4b