A: Wait for a Steam sale – Rebirth alone drops to $4.99, or the complete bundle (with Repentance) for $19.99. GOG has similar sales.

The Binding of Isaac: Rebirth: Complete Guide to the Full Game Unblocked

With over 4 billion possible seeded runs, no two playthroughs are exactly the same.

Buy The Binding of Isaac: Rebirth on GOG (DRM-free) or Wishlist it on Steam .