The complete list of each edition winner and the full rankings (linked in pdf)
| Year | Edition | Winner | Rankings |
| 2025 | GTOC13 – The Altaira System | Tsinghua University, School of Aerospace Engineering | web |
| 2023 | GTOC12 – Asteroid Mining | Jet Propulsion Laboratory – Outer Planets Missions Analysis Group | web |
| 2021 | GTOC11 – Dyson sphere | Tsinghua University, School of Aerospace Engineering and Shanghai Institute of Satellite Engineering | web |
| 2019 | GTOCX – Settlers of the Galaxy | National University of Defense Technology and Xi’an Satellite Control Center State Key Laboratory of Astronautic Dynamics | web |
| 2017 | GTOC9 – The Kessler Run | Jet Propulsion Laboratory – Outer Planets Missions Analysis Group | |
| 2015 | GTOC8 – Very-Long-Baseline Interferometry | ESA’s Advanced Concepts Team JAXA’s Institute of Space and Astronautical Science | |
| 2014 | GTOC7 – Multi-spacecraft exploration of the asteroid belt | Jet Propulsion Laboratory – Outer Planets Missions Analysis Group | |
| 2012 | GTOC6 – Global mapping of Galilean Moons | Turin Polytechnic – Dipartimento di Energetica and University of Rome “Sapienza” | |
| 2010 | GTOC5 – Penetrators | Jet Propulsion Laboratory – Outer Planets Missions Analysis Group | |
| 2009 | GTOC4 – Asteroid Billiard | Moscow State University, Faculty of Mechanics and Mathematics | |
| 2007 | GTOC3 – Multiple Sample Return | Centre National d’Etudes Spatiales | |
| 2006 | GTOC2 – Multiple Asteroid Randezvous | Turin Polytechnic – Dipartimento di Energetica | |
| 2005—– | GTOC 1 – Save the Earth | Jet Propulsion Laboratory – Outer Planets Missions Analysis Group | pdf—- |