– “Attack on Survey Corps” sounds like a fan game based on Attack on Titan (Shingeki no Kyojin). Official titles include Attack on Titan 2: Final Battle (Koei Tecmo) or fan projects like Attack on Titan Tribute Game (Unity fan game). Your version number (“v0221”) and “astronut repack” strongly suggest a cracked/repacked version from a warez group.
The keyword begins with – but the word "attack" here is not an action; it is part of the game’s title. However, there is a secondary meaning.
The original official version of AoTSC stalled around v0.9 or v1.0. So, where does come from?
: Includes activities like fighting, studying, and a bottle game. Adult Content