What you’re doing: Find a disc → insert into gramophone → perform a kill-type challenge while music plays → earn a mystery perk.

General tips

• Do these one at a time so you don’t forget which challenge is active.

• Ideal rounds: early-to-mid when you can control spawns.

A) Museum Disc → Melee Kills

Disc

• Museum Infinitum, left of crafting bench, mounted on wall.

• Requires a wall jump to reach.

Gramophone

• In museum by fencing/pillar.

Challenge

• Get melee kills near the gramophone while the track plays.

• Recommendation: PaP a melee weapon + Melee Macchiato.

Reward

• Mystery perk + salvage.

B) Machina Disc → Equipment Kills

Disc

• Machina Astralis near pillar and grandfather clock, inside a box.

Gramophone

• Archive of Orbit table in front of chair.

Challenge

• Get kills using equipment while the music plays.

• Best: Semtex / Molotov / Kazimir / Monkey Bomb.

Reward

• Mystery perk + loot + extra equipment + stim.

C) Luminarium Disc → Field Upgrade Kills

Disc

• On top floor bookshelf in Luminarium.

Gramophone

• Near two couches in Luminarium.

Challenge

• Get kills with field upgrade.

Reward

• Mystery perk + essence.

Repeat note

• Can be repeated once per round for loot, but no additional perk rewards after first completion.