It has been discovered that if you input the famous Konami code in the classic mode of Bloodstained: Ritual Of The Night, you will be granted access to the "1986 mode".
The newly discovered mode is a reference to the launch year of the first Castlevania game. During the gameplay, 1986 mode appears on screen, while also giving Miriam a new outfit.
Climbing stairs is now restricted, Miriam cannot backflip or backstep, has decreased midair control, and can no longer use an extended whip.
Bloodstained: Ritual Of The Night is a Metroidvania video game developed by ArtPlay and published by 505 Games released in 2019. The game is the second in the Bloodstained series and considered to be a spiritual successor to the Castlevania series. Bloodstained: Ritual Of The Night is available for Nintendo Switch, PlayStation 4, Xbox One, Windows, iOS, and Android.