У вашего броузера проблема в совместимости с HTML5
A Guide / Playthrough of getting S+ Rank in the Claire A Scenario. IMPORTANT: If you're playing and watching at the same time, use the ESC/START pause menu to stop your timer while watching (NOT the inventory menu). Timestamps for bosses:
0:22:18 - G1
1:19:35 - G2
1:47:14 - G3
1:58:00 - G4