( Sennyū Sōsakan wa Zettai ni Makenai! ) is a popular short-form anime series released in late 2023. If you are looking at a "repack" (likely a fan-compressed or bundled version of the series), here is a review of the content based on its 2023–2024 broadcast:
The repack version makes this classic experience more accessible than ever. Whether you're a veteran of the stealth genre or a newcomer looking for a challenge, this game offers hours of deep, engaging gameplay. System Requirements (Estimated) secret mission undercover agents never back down repack
Among fans of the repacked version, a popular challenge has emerged: complete the entire game without ever using the "retreat" button (normally bound to X). On the game’s subreddit, players share clips of narrow escapes and one-take infiltrations. The current record: 4 hours, 12 minutes, zero retreats. ( Sennyū Sōsakan wa Zettai ni Makenai