This code exports lichess game database in a standard PGN format.
Files are available on https://database.lichess.org.
Use them to do great things. Please share the results!
# export Jan 2016 Standard games to lichess_db_2016-01.pgn
sbt "runMain lichess.Games 2016-01"
# export Jan 2016 Standard games to custom_file.pgn
sbt "runMain lichess.Games 2016-01 custom_file.pgn"
# export Jan 2016 Atomic games to custom_file.pgn
sbt "runMain lichess.Games 2016-01 custom_file.pgn atomic"