My go-to pick for replacing 'incredible' is 'mind-blowing' — it nails that mix of surprise and scale in a way that feels modern and punchy to me.
I use it when I'm talking about things that actually scramble your expectations: a plot twist in a show, the visuals of a game, or a live performance where the crowd loses it. 'Mind-blowing' leans informal and visceral, so it works best in speech, reviews, or excited messages. If I need something a little more formal, I might swap to 'astonishing' or 'remarkable', but for that full, dizzying energy 'mind-blowing' is my top pick. Saying something was 'mind-blowing' carries a bit of personality — it tells readers I was genuinely stunned, not just impressed. That kind of candid, loud reaction is the whole point for me; it still makes me grin when a scene or reveal earns that label.