Yeah I played some games in 6 and became nostalgic of 2 and Alpha Centauri too. Recently, I decided to just conquer everyone mid game and as i was capturing one

Yeah I played some games in 6 and became nostalgic of 2 and Alpha Centauri too. Recently, I decided to just conquer everyone mid game and as i was capturing one of the last cities suddenly bam Defeat. Apparently as I was capturing their cities their religion was spreading (how does that make sense? Did Mongols become Zoroastrian? Did Islamic conquests bring Christianity to Saudi Arabia?) and they reached religious victory