It sounds like you're interested in finding a free version of Monster Hunter Stories 2: Wings of Ruin
If you have an active gaming subscription, you may already have access to the full game or extended trials:
: The adventure begins when Rathalos worldwide suddenly disappear.
Title: "Monster Hunter Stories 2: Wings of Ruin" - A Free NSPEE Adventure Awaits!
7. Final Score
Switch version: 7.5/10
(Would be 9/10 on PC.)