Autor alemán muy prolífico con diseños de los que destacan que contengan minijuegos. Ha reimplementado varios sus diseños en la serie City Collection.
2005 Roma
2006 Rum & Pirates, 2024 Nassau (re-implementation of Rum & Pirates)
2007 In the Year of the Dragon
2007 Notre Dame
2008 The Name of the Rose
2009 Arena: Roma II
2009 The Pillars of the Earth: Builders Duel
2009 Macao, 2022 Amsterdam (re-implementation of Macao)
2010 Spiel mit Lukas: Dribbel-Fieber
2010 Luna
2010 The Speicherstadt, 2016 Jórvík (re-implementation)
2010 It Happens..
2011 Los castillos de Borgoña, The Castles of Burgundy
2011 Strasbourg, 2025 Valencia (re-implementation of Strasbourg)
2011 Trajan
2013 Bora Bora, 2023 Cuzco (re-implementation of Bora Bora)
2013 Rialto, 2022 New York City (re-implementation of Rialto)
2013 Bruges, 2022 Hamburg (re-implementation of Bruges)
2013 Amerigo
2014 La Isla, 2023 Vienna (re-implementation of La Isla)
2014 AquaSphere
2016 The Castles of Burgundy: The Card Game
2016 El oráculo de Delfos - The Oracle of Delphi
2017 The Castles of Burgundy: The Dice Game
2017 Merlin
2018 Forum Trajanum
2018 Carpe Diem
2019 Revolution of 1828
2020 Bonfire
2020 The Castles of Tuscany
2021 Kokopelli
2022 Marrakesh
2024 Kathmandu
2024 Civolution
2025 Chichén Itzá