Is Slay the Spire on Game Pass?

No, only to buy: from $31.99 on Steam.

Is Slay the Spire on Nintendo Switch Online?

No, only to buy: from $33.49 on Nintendo eShop.

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

From $31.99 on Steam; also Nintendo eShop $33.49.

Adventure RPG Strategy IndieReleased June 6, 2019Switch · PC

In no subscription, buy only

Buy

Cloud

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

Is Slay the Spire on Game Pass?: No, only to buy: from $31.99 on Steam.
Is Slay the Spire on Nintendo Switch Online?: No, only to buy: from $33.49 on Nintendo eShop.
Can you play Slay the Spire in the cloud?: Yes, with GeForce NOW and Boosteroid (you need your own copy).
How much does Slay the Spire cost?: From $31.99 on Steam; also Nintendo eShop $33.49.