Ironically, the demand for a "Groove Coaster 2 mod" inspired legitimate (or semi-legitimate) clones. Project Heartbeat on PC was directly inspired by GC2’s mechanics. Meanwhile, some modders ripped the GC2 assets and created a completely offline, cracked launcher known internally as "GC2 Unlocked" (never officially released).
Because a perfect mod didn't exist, dedicated fans turned to alternatives: groove coaster 2 apk mod unlock all 2021