If you choose to buy an entire promo pack as a gift, does it come as one collective code for all the games, or does each game have a seperate code to redeem it?

Also, can you gift it to yourself?

Basically just trying to work out if I can split a promo with someone.

From what I've read so far, I THINK it turns into one giant code that gives you only the games you still miss and remains useful afterwards for the games you had both on the code and your shelf.
Can't be bothered to look for a blue citation on this, though I'm pretty sure there is one.

Thanks