If you pre-order Stronghold 3 on Steam you'll get 10-year-old Stronghold 1 thrown in for free.
You'll also get a Tower of London map free for Stronghold 3.
The strategical castle building and castle defence game costs Ł29.99 on Steam.
Stronghold 3 is due for release this autumn.
Stronghold 1 arrived in 2001, the year the Wikipedia launched, according to Wikipedia.
Thankfully Eurogamer existed back then, and so it was our duty to appraise Stronghold 1. Then-editor John "Gestalt" Bye reviewed Stronghold and awarded 6/10.