: An iOS version is typically available for around $4.99 on the App Store. Free Alternative: Original "Hydorah"
: Available via the Super Hydorah Steam Store , Epic Games Store , and itch.io .
: An expanded "ultimate" version with 21 levels, 35 bosses, a 60+ track soundtrack, and local co-op. Super Hydorah on Steam
: Offers 16 levels and 30 bosses. It is widely available on legacy indie game hosting sites like Uptodown .
While is a commercial title that generally requires a purchase, you can often find its predecessor, Hydorah , available as a free legal download. Official Purchase & Download Options
: Can be purchased on the PlayStation Store (PS4/Vita cross-buy), Xbox Store , and Nintendo eShop .