Here is the full list of all 24 Ojiv achievements.
Complete Colorful Cadance at 100%
Complete Modus Inordinatio at 100%
Complete Instinctual Corruption at 100%
Complete Tempest of Horizon at 100%
Complete Wild Heartbeat at 100%
Complete Worlds That I Belong To at 100%
Complete Swedish Beer at 100%
Open Ojiv for the first time
Complete a song at hard
Complete a song at Extreme
Complete a song
Make 250 streak
Get to Level 5
Get to Level 10
Get to Level 15
Get to Level 30
Make 50 streak
Make 100 streak
Make 150 streak
Make 200 streak
Complete Alternating Current at 100%
Complete Bottle Cap at 100%
Complete Midnight Echo at 100%
Complete a song at Ultra fast