The 2026 Terraforming Mars Greek Open will take place on Saturday, May 16th 2026, at "To Keli" (20A Klada st., 117 43 Athens).

This will be the fifth Terraforming Mars live tournament organized by BoardGameGeek’s GrEEK Guild, but the first ever Greek Open. We encourage terraformers from all around the world to come help us create several new ones! 

S C H E D U L E
09:00-09:30 Doors open
09:30-12:00 Round 1 (Tharsis)
12:00-12:30 Break
12:30-15:00 Round 2 (Hellas)
15:00-15:30 Break
15:30-18:00 Round 3 (Elysium)
18:15-18:45 Award ceremony
19:00- Free gaming

Registration can only be completed after depositing a fee of 10 euro, as detailed in the registration form.