**Processing version**

1. Run Processing 3.x (https://processing.org/)
2. Open sketch in Processing: `nle_processing/sketch_NLE_CA/sketch_NLE_CA.pde`
3. Edit parameters at the top of the file `sketch_NLE_CA.pde`
4. Run sketch
5. Press `H` for help


**C++ version**

1. Go to directory `nle_cpp/src`
2. Run `make` - excutable file `nle` should appear (run `./nle -h` for program parameters)
3. Go to directory `nle_cpp/scripts/run_single`
4. Edit parameters in file `parameters.sh`
5. Run `./run.sh`
6. See results in a newly created directory