https://github.com/google-research/clevr_robot_env https://github.com/openai/mujoco-py
baselines https://github.com/openai/baselines/tree/master/baselines/deepq - DDQN https://github.com/tensorflow/models/tree/master/research/efficient-hrl - HIRO https://github.com/yadrimz/option-critic - OC