Noted for its difficulty, the quiz game consists of various trick questions among irreverent humor and references to popular culture.

Considered to be an influential title during the heyday of Flash content, The Impossible Quiz received generally positive reviews for its difficulty, creativity of the questions and encouragement of outside-the-box thinking.

Notorious for its difficulty, the quiz mixes multiple-choice trick questions similar to riddles, along with various challenges and puzzles.

[5][8] The Impossible Quiz received positive reviews from critics, with several outlets praising the game's difficulty and the creativity of the questions.

[1] Jenny Williams of Wired noted that the game's focus on memorization and logic encouraged players to continuously fail and retry.

[4] Engadget writer Ludwig Kietzmann echoed a similar sentiment, and also described the game's difficulty as akin to "having moist strands of spaghetti run through your fingers.

[6] Conversely, Lex Friedman of Macworld criticized the mobile version while comparing it unfavorably to The Moron Test, claiming it lacks the charm of the latter game.

[10] Since its release, The Impossible Quiz has been recognized by several outlets as an influential game in the heyday of Flash's popularity.