The current management and creative team includes Tony Curtis, Rodger MacGowan, Mark Simonitch, and Andy Lewis.

GMT was successful during the 1990s, when other war game publishers were failing, which has been credited in part to their innovative P500 system.

[1] GMT is known for publishing the COIN series of games, which started with Andean Abyss: Insurgency and Counterinsurgency in Colombia by Volko Ruhnke, a CIA instructor.

[3] In 2018, GMT began creating Windows and mobile adaptations for some of their titles, including Twilight Struggle and Labyrinth: The War on Terror.

[4] GMT was about to publish Scramble for Africa in 2019, but pulled the title after controversy erupted about its subject matter.