Rebuild_aquarium_girls_mtl.7z -

This is a compressed archive file created with 7-Zip. You will need software like 7-Zip or WinRAR to extract the contents.

The file refers to a Machine Translated (MTL) version of the Japanese adult visual novel/simulation game titled Rebuild Aquarium Girls (originally Saiken! Aquarium Girls ). Overview of the Game Rebuild_Aquarium_Girls_MTL.7z

Developed by Project_YNP , a circle known for management-style simulation games. This is a compressed archive file created with 7-Zip

Expect grammatical errors, "clunky" phrasing, and occasional gibberish or untranslated UI elements. Gameplay Mechanics improve water quality

You must balance your budget to buy new fish, improve water quality, and renovate the building.

This indicates that the game's text has been translated from Japanese to English using automated tools (like DeepL or Google Translate) rather than a professional human translator.