Hidden Treasures
Non-card collectibles scattered through KOTAMON's dump and surrounding areas. Each family feeds its own achievement set.
Collectable Figurines
Small figures hidden in the trash. The achievement family tracks finding 1, 5, 9, and 12 figurines.
Where to find
Dump-site garbage bags, hidden corners, and unusual containers.
Achievement: Exhibit A / Where Will I Keep It? / A New Hobby / I Need a Bigger Shelf
Audiotapes
Music or voice tapes scattered around the dump. Achievements track finding 1, 5, and 7 tapes.
Where to find
Dump-site containers and hidden treasure spots.
Achievement: Push the Tempo! / Retro Party / Melomaniac
Cosplay Outfits
Costume pieces referenced by the 'A Gift for Jenny' and 'To Be Continued…' achievements.
Where to find
Special containers or hidden locations in and around the dump.
Achievement: A Gift for Jenny / To Be Continued…
Unopened Cereal Boxes
A special loot container that can contain super-rare foil cards according to the official Steam store description.
Where to find
Dump-site rummaging and rare container spawns.
Achievement: Just Don't Eat It! / Gacha Addiction
Card Fragments
Introduced in the GIGA update. Collect five fragments and glue them into a complete card.
Where to find
Dump-site runs and post-GIGA loot sources.
Kotalion
A special object or companion referenced by the 'Get 'em All!' achievement. Exact acquisition method is not yet documented.
Where to find
Unknown — likely tied to a late-game quest or collection milestone.
Achievement: Get 'em All!
Hidden Treasure Objects
Generic 'hidden treasures' mentioned in the Steam store description. These are non-card valuables that reward exploration.
Where to find
Inspect unusual objects and hard-to-reach spots in the dump.
Radio
An interactive object whose activation grants the 'Wow, It Works?' achievement.
Where to find
Base or yard area (exact placement revealed in-game).
Achievement: Wow, It Works?