Castle Chess is a Chess variant that was solely created by Andrew Kuess (Star Captain Dread) in 2010, which has gone through a full decade of game play testing in a private capacity before being released to market in 2020. It involves Chess-like game play, but utilizes additional features like Castles, Siege Weaponry, Thrones, additional units and also has multiple game play modes available with 4 different game boards.

Castle vs Castle, Field Battle, Emperors Expansion, The Kings Quests

Castle Chess has several published versions that will be released in 2020 and beyond, including, but not limited to: 

Currently Available:
Castle Chess: Advanced Game Tester Edition  (Print & Play) 

Coming Soon:
Castle Chess                                           - Publication in Progress
Castle Chess: Emperors Expansion      - Publication in Progress
Castle Chess: Online                              - Currently in Development