What secret character can you unlock by entering a specific code in the character selection menu?+
You can unlock Tankman by entering the code 'NEWGROUNDS' in the character selection screen, which is a reference to the original Friday Night Funkin's roots on the Newgrounds platform.
Where can you find the hidden developer room that contains unreleased songs and testing features?+
The developer room can be accessed by clicking on a specific pixel behind the main menu logo while holding shift, revealing a secret area with beta songs and debugging tools that aren't available in normal gameplay.
What happens when you input the Konami Code during the loading screen of certain weeks?+
Entering the Konami Code (Up, Up, Down, Down, Left, Right, Left, Right, B, A) during loading screens for Week 3 and Week 6 unlocks harder difficulty versions of those songs with additional arrow patterns and faster speeds.
Which song contains a hidden audio track that only plays when you achieve a perfect combo?+
The song 'Roses' contains hidden vocal harmonies and additional instrumental layers that only activate when maintaining a perfect combo throughout the entire track, creating a fuller sound experience for skilled players.