What to know
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Duomension City’s Music Score is a Bizarre Melody puzzle inside an Interplanar Jump stage.
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Input a specific 8-direction sequence to access a hidden area with chests and achievements.
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Solving it grants the Arcadia Variation: Rabbit Hill achievement and materials.
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Part of Planarcadia’s exploration in Version 4.0, post-Trailblaze Mission progress.
Honkai: Star Rail’s Planarcadia with the Music Score Collection in Duomension City is a clever Bizarre Melody puzzle that rewards your rhythm with exclusive loot. You’ll navigate neon streets and hidden portals, turning exploration into a musical adventure. Perfect for completionists chasing every Stellar Jade.
| Aspect | Details |
|---|---|
| Location | Interplanar Jump! Difficulty III, plaza office area portal |
| Puzzle Type | Directional input melody (8 commands) |
| Rewards | Treasure Chest (5 Stellar Jade, materials), Achievement (5 Jade) |
| Prerequisite | Complete Trailblaze Mission, defeat SparxiConOfficial boss |
| Follow-up | Heart reunion mini-puzzle with levers |
Key locations in Duomension City
Head to the bustling plaza in Duomension City, part of Planarcadia’s cyberpunk-inspired zones introduced in Version 4.0.
Enter the Interplanar Jump! Difficulty III stage—after the office area, veer left through the portal instead of exiting to spot the glowing Bizarre Melody terminal.
How to solve the Duomension City Music Score puzzle
Approach the Bizarre Melody terminal and interact to start inputting directions using your character’s movement keys.
Step 1
Enter the exact sequence: Up (⭡), Left-Down (⭧), Right-Down (⭩), Left-Up (⭨), Right (⭢), Right-Up (⭦), Down (⭣), Right-Up (⭦).
Step 2
Confirm the melody “Duomension City Grand Carnival” plays correctly, teleporting you to the hidden stage.
Step 3
Collect the visible Treasure Chest en route, containing 5 Stellar Jade and upgrade materials.
Step 4
Reach the platform with two levers; observe the floating heart pieces as they circle and pause briefly at correct spots.
Step 5
Pull the left or right lever precisely when a piece stops to lock it, reuniting both halves into a full heart and freeing the imagenae.
Step 6
The Arcadia Variation: Rabbit Hill achievement unlocks automatically, netting another 5 Stellar Jade.
Rewards
| Reward | Amount | Type |
|---|---|---|
| Stellar Jade | 5 | Chest |
| Stellar Jade | 5 | Achievement |
| Upgrade Materials | Varies | Chest |
| Arcadia Variation: Rabbit Hill | 1 | Achievement |
Tie this into broader Planarcadia collection by hitting similar puzzles in Graphia Academy, Dovebrook District, and World’s End Tavern for the full set—each yielding parallel rewards like 5 Jade chests and unique achievements. Prioritize after main story beats for access. You’ll boost your exploration progress while stacking resources for Elation Path characters in 4.0 banners.
Mastering this Music Score turns Duomension City’s chaos into rewarding harmony, with 10+ Stellar Jade secured effortlessly. Grab it early in your Planarcadia run—you’ll feel the Trailblaze thrill amplify.
