Core Viewpoint - The game "Duet Night Abyss" (二重螺旋) has deviated from traditional gacha mechanics by removing character and weapon draws, opting instead for cosmetic purchases, which has led to disappointing revenue and player engagement [3][15][32] Group 1: Game Performance - The daily revenue of "Duet Night Abyss" peaked at $44,366 shortly after launch but has since plummeted to $3,244, approximately 14% of its initial earnings [4] - The game's ranking on the App Store has significantly dropped, now outside the top 300 in the free games category [7] - The game has received a considerable amount of negative feedback, particularly regarding its mobile optimization, which has been described as poor [12][14] Group 2: Game Mechanics and Design - "Duet Night Abyss" features a dual protagonist system, with gameplay mechanics reminiscent of other popular games, including a combo scoring system during battles [9][11] - The game allows players to unlock characters through gameplay progression rather than traditional gacha mechanics, which has led to a lack of immediate incentives for players to spend money [15][19] - Players can acquire characters and weapons for free, but the monetization strategy relies heavily on cosmetic purchases, which may not appeal to all players [15][17] Group 3: Player Experience and Feedback - Many players have expressed frustration with the game's initial pacing and narrative, leading to a perception that the game is not engaging enough to warrant continued play [21][22] - The game has been criticized for lacking excitement and motivation for players to grind, despite having a relatively friendly character development system [23][25] - The developers have acknowledged the issues and are reportedly working on improvements to enhance player experience [25][31]