Fretladder

Osiris 1 by Amogh Symphony

A Clone Hero custom chart, from the CSC Quarterly Pack - 1st Quarter 2026 pack.

CyclopsDragon / Custom Songs Central / Custom / The Quantum Hack Code / 2010 / Progressive Metal

On Expert Lead it scores D 26.79, Calc Tier 8, at or above 92% of the site’s Expert Guitar charts.

Difficulty graph of Osiris 1 by Amogh Symphony: notes per second, fret changes per second and their sum over time

PartExpertHardMediumEasy
Lead Tier 826.7992%17.6595%12.3497%6.9190%

Ranked #3 of 53 songs in CSC Quarterly Pack - 1st Quarter 2026 on Expert guitar, and #121 of the 2,257 songs on the site with an Expert guitar chart. 2,766 notes over 5:38, 8.2 a second on average.

Nearby on Expert guitar: harder: Swallow by Casiopea (D 26.82, tier 8), Microbeings by Fearofdark (D 26.82, tier 8); easier: Thrash by Jake "virt" Kaufman (D 26.75, tier 8), Winter, The Four Seasons (Vivaldi cover) by SuperWarMech (D 26.69, tier 8)

In CSC Quarterly Pack - 1st Quarter 2026: harder: E83 by Syu and Yuhkinen (D 27.33, tier 8), 5 (Illuminate the Excessive Full EP) by Soreption (D 28.95, tier 8); easier: Final Boss III by Thaehan (D 23.62, tier 7), Sueños (Part 2) by Strunz & Farah (D 23.47, tier 7)

From CSC Quarterly Pack - 1st Quarter 2026, whose every song is ranked by difficulty on its page.

D is the difficulty fretwork computes from the chart’s note density and movement, with the percentile among charts of the same instrument and level on the site and the Calc Tier anchored to the Expert chart; how it is scored and what the library holds. A number opens that chart’s graph.

Open in the table on Fretladder