Siege (19xx)(Postern)[h TSTH] is a great game, and it's been around for few years. That game under Acorn BBC Micro platform.. To play this game, you need to download the lastest Emulator like BeebEm, MESS, B-EM, B-BBC and load game then enjoy it!
1. Select Acorn BBC Micro platform and search game version as you want then download it from RomsBase.
2. Download latest version of “B-BBC” from official website, then install on your PC.
3. Run emulator B-BBC, load the rom and config joystick then click “play” and enjoy it!