https://www.nintendo.com/store/products/the-stanley-parable-ultra-deluxe-switch/
I’ve been patiently waiting for the price to go down from $24.99; it’s on sale for the first time at $12.49 until May 5th.
Ironically, I am just finishing my first playthrough of Portal 2, so I’m guessing this will be right up my alley after I’m done.