 The 2021 Nobel Prize in Physics was awarded to recognize the importance of complex systems in the natural sciences. This editorial provides a summary of the opinions of the editors of the journal JPHYS Complexity on the Achievements, Challenges, and Future Prospects of the Field. Each editor's perspective is distinguished by their own unique thoughts and ideas on the topics discussed. The result is a comprehensive overview of the field of complexity science, providing insight into its current state and potential future directions. This article was authored by Genestra Bianconi, Alex Arenas, Jacob Biament, and others.