The file is a source project file for the Undertale fangame Dusttrust: Snowy Night .

: The game was developed by the Snowy Night Team (also associated with The Chair TEAM ). It is a reimagining of the "Dusttrust" AU, which is a combination of the Dusttale and Underswap concepts. [No Hit] Dusttrust: Snowy Night - phase 1

: The .mfa extension indicates it was created using Clickteam Fusion 2.5 , a common engine for Undertale fangames like Dusttrust: Snowy Night.

: This specific file likely represents the final "for release" version of the project before it was compiled into an executable ( .exe ) for players.