YMMV / Frequency (Harmonix)

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• Awesome Music: Bonus song Luge Crash qualifies.
• Cult Classic: Mostly due to low sales and a unique song library.
• Scrappy Mechanic: In Frequency, the tube design allowed you to loop around to a track you needed to hit rather efficiently and see it coming. In the original Amplitude, however, the tracks all being laid out horizontally means it was all too easy to do something like fill out the drum section first, work all the way to the opposite end of the tracks- and then miss 100% track completion because by the time the drums came back, you had no plausible method to get all the way back over and hit the notes in time. Perhaps unsurprisingly, the 2016 game returned to the tube design in single-player, has a wraparound function to the opposite end of the tracks in multiplayer, and auto-skipped over completed tracks as a result.
• That One Level:
  • This is the End of Your World. It most certainly is. Actually, several of the levels can qualify.
  • In Amplitude: "M-80" and "I Am Hated", for their incredibly fast strings of repeated notes, and Rockit (2.002 Remix) and Out The Box for their incredibly complex patterns, depending on which portion of the game you're better at.
  • The bonus song "Spaztik" in Amplitude is one of these, being the only song in the game incorporating 32nd notes, mainly in its drum tracks, as well as a relatively slow BPM compared to the rest of the song list.
• Unintentional Period Piece: The PS2 Amplitude is one of these, featuring (and heavily advertising) several pop and rock musical acts that were either popular or on the rise when the game came out in 2003, such as Garbage, Weezer, P!nk, PapaRoach, and blink-182. This makes it stand out from FreQuency (whose most mainstream acts are The Crystal Method and BT) and Amplitude 2016 (which is mostly comprised of in-house and indie electronica).

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