“I came across this at a very sad point in my life, it was on a hard drive on a vintage computer I bought off Amazon,” Marshall explains on the expansion’s GitHub page. “Literally this essentially saved my life, I was going through a divorce and just happen[ing] to come across something like this was insane.”
Why? Xcom has its first game released in 1994. The IP has been around for a long time.
Technically we already had XCOM 3. Apocalypse wasn’t half bad, despite the weird realtime/turn-based combat system.
Because the industry has changed a lot over the last decade and XCOM would be more likely to be dragged through the dirt than to be faithfully resurrected.