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COSMIC SYMPHONY

OSTER project

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12.5
Constant: 12.3
S: 12.3
990k: 12.4
Pianist: 12.4
Recital

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Pattern tendency

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Stairs: —
Repetition: —
Polyrhythm: —
Offset: —
Meter changes: —

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Chart Info

BPM: 280
Note Count: 1,675
Length: 2:04
Release Date: 2020-07-03
Unlock Condition: Delivery! Great Trolley Operation 2
→ Nostalgia Line: A Trolley Journey · 36 Stardust

Tier placement historyLatest change 10/08/2026

10/08/2026

Basic Pianist12.6 → 12.4
Basic S12.7 → 12.3

09/19/2026

Recital12.0 → 12.4
Basic Pianist12.0 → 12.6
Basic 990k12.0 → 12.3