MoReFree builds on the codebase of PEG, you can install by following the repo of PEG codebase: https://github.com/penn-pal-lab/peg

You can run MoReFree on Fetch Push by using command:
python example/run_goal_cond.py --configs fetch_push train_env_goal_percent=0.2 fb_p=0.2 --logdir ./test
