Is Slime Rancher: Plortable Edition on Game Pass?

No, only to buy: from $19.99 on Steam.

Is Slime Rancher: Plortable Edition on Nintendo Switch Online?

No, only to buy: from $24.99 on Nintendo eShop.

Yes, with Boosteroid and GeForce NOW (you need your own copy).

From $19.99 on Steam; also Nintendo eShop $24.99.

In no subscription, buy only

Buy

Cloud

Prices are the store price, without subscription discounts. Struck through: the price before the discount.

Is Slime Rancher: Plortable Edition on Game Pass?: No, only to buy: from $19.99 on Steam.
Is Slime Rancher: Plortable Edition on Nintendo Switch Online?: No, only to buy: from $24.99 on Nintendo eShop.
Can you play Slime Rancher: Plortable Edition in the cloud?: Yes, with Boosteroid and GeForce NOW (you need your own copy).
How much does Slime Rancher: Plortable Edition cost?: From $19.99 on Steam; also Nintendo eShop $24.99.