A little game of Tetris! Though currently without graphics I'm afraid.
To build and run this program you will need Gleam, Erlang and the Erlang build tool rebar3 installed.
cd path/to/this/project
# Run the unit tests
rebar3 eunit
# Build the executable
rebar3 escriptize
# Run the program
cat input.txt | ./_build/default/bin/tetromino