Terraforming Mars: Big Box is a storage solution for all Terraforming Mars content released to date, including the base game, five expansions, and the rover for the first player. It also includes a set of 3D terrain tiles to enhance the game.

• 24 city tiles (four of six designs each)
• 40 forest tiles (eight each of five designs)
• 9 ocean tiles
• 14 special tiles (the original eleven, plus three new ones)
• Three new cards related to the three new special tiles
• Card dealers
• Five plastic markers for the global parameters