The following figures show the average returns of the Rainbow RL algorithm on the Unity Obstacle Tower Challenge.

Each step represents 250,000 frames for the training phase and 125,000 frames for the evaluation phase.

Further information about the challenge: https://www.aicrowd.com/challenges/unity-obstacle-tower-challenge

Obstacle Tower paper: https://arxiv.org/pdf/1902.01378.pdf

Further information about Google dopamine: https://github.com/google/dopamine

Rainbow paper: https://arxiv.org/pdf/1710.02298.pdf