FNF Tails Dark Diary Mod
Sonic throws a wild music showdown in the FNF Tails Dark Diary Mod, and this time Boyfriend stays off the mic while two old rivals take the spotlight. Sonic stands on one side of the stage, and Tails turns into a darker, red-fox-style version that comes in as a straight-up antagonist. The whole story plays out during one intense song, so every note in this Friday Night Funkin mod actually matters. The track feels like a short concert where Sonic hosts the party, and Tails brings the pressure. There are no extra weeks or side battles here. Everything focuses on that single duel, so the battle feels tight and easy to replay until the full chart clicks.
How to play?
Watch the colored arrow symbols slide toward the top of the screen during Sonic's party track. Hit the matching keys at the exact moment they overlap the targets to keep the rap line going. Miss too many inputs and the bar tilts toward Tails, which hands the win to the antagonist fox. Keep a stable combo instead, and Sonic's side dominates the duel.
Play the song a few times, and the rhythm patterns start to feel familiar, which helps younger players and beginners learn Friday Night Funkin' timing. Treat this online FNF mod like a quick rhythm warmup, then jump back in and try to clear the full song without breaking your streak. Fire up the track again and see how cleanly you can shut down Dark Tails in this one-song showdown.
- start / make a selection / pause
/
- sing
/
- backward
- - / + - adjust the volume
About this game:
- Players have rated this game 4.20 out of 5, based on 130 votes.
- Released in July 2023.
- Ready to play on Web Browser (PC) and Android/iOS (Mobile).
- Age rating: 7+
- Powered by HTML5 — jump right in and start playing in your browser, no downloads needed.
Game features:
- The mod replaces Boyfriend with Sonic as the performing lead in the music battle.
- Tails appears in a darker, antagonist form styled closer to a red fox rival.
- The entire mod centers on a single one-song duel instead of multiple weeks.
- The battle layout keeps the standard colored arrow lanes from classic Friday Night Funkin gameplay.
Tips & Tricks:
- Lower the in-game volume slightly so arrow timing stays clearer than the music.
- Focus on holding a combo instead of mashing every note at the edge of reflex.
- Warm up your fingers on the easier parts of the song before pushing for a full clear.
- Watch the arrow lanes with your eyes instead of looking at the characters during hard sections.























