"This is a shot at a collection of ideas I had a few years ago, about looking critically at the universe of Super Mario Bros. in light of the total lack of explicit narrative in the original game in particular.

And so, this is one lens through which to look at all that, with Luigi, the second brother, the also-ran, as a complicit onlooker, wandering now through some fractured, rotting liminal place in this strange world, reflecting on it all in scattered fragments."

[4][7][8] In a Reddit thread, Millard commented "I [...] think it's a pretty weird implied narrative once you step back and look at it, and enjoyed funneling some thoughts about all that into a recharacterization of Luigi as a guy who's as legitimately confused and distressed by his strange life as you'd expect a person to be once removed from the bubble of cartoony context of the franchise.

[9] Reviewers described Luigi's character in Ennuigi as "chain smoking,"[3] "depressed,"[3][6] "laconic,"[5] "perpetually miserable,"[15] and "an angsty teenager who just finished writing a book report about Albert Camus' The Stranger.

"[16] Dangerous Minds's Martin Schneider reviewed "The slow, tinny music is a perfect complement" to the game.

In a review for the interactive movie video game Night Trap, TechCrunch's John Biggs recommended playing a little Ennuigi.

"[5] Destructoid's Steven Hansen said it "makes for a fun, depressing little distraction as it looks literally at the cartoonish abstractions of the Mushroom Kingdom.

"[7] The Next Web's Mic Wright received the game favorably stating it "reveals the bleakness of Luigi alone time.