: It features over 3,500 lines of dialogue from 24 voice actors, a rare feat for a community mod. Critiques Underhell Chapter 1 Review - GND-Tech
: The main story missions, which shift from survival horror with infected enemies to high-stakes tactical stealth and action.
: Reviewers from sites like GND-Tech praise its "perfect soundtrack" and immersive ambient audio.
: For a free mod, it offers a massive amount of content, with playtime ranging from 15 to 20 hours.