Collaboration collection is available for free. There are 9 songs in this collection. This collection was originally titled the "Brave Frontier Selection", but was renamed in the 2.4 update to the "Collaboration Collection" as collaborations were made with other games. Artworks are done by Siyouko.
|The Story Unfolds||Sdorica||2||5||7||Sdorica||180||Sdorica|
|Rayark 7th Main Theme||Rayark Sound Team 'Ice & SIHanatsuka'||4||6||8|
|HYAKKA RYOURAN||Kakumi Nishigomi||6||6||8||Taiko no Tatsujin|
|Knots Way||NICODE. feat Romelon||4||7||9||184||Crusaders Quest|
|Kimi no namae no kazegafuku||ZENTA||1||4||6||97||Hortensia Saga|
|Randall||Hikoshi Hashimoto||1||3||5||82||Brave Frontier|
|Land of Giants||Hikoshi Hashimoto||1||2||7||136|