Happy Color® – Coloring Games vs Underground Blossom

How do Happy Color® – Coloring Games and Underground Blossom compare on difficulty, ad pressure, in-app-purchase pressure and what real reviewers say? A side-by-side look, grounded in App Store data.

	Happy Color® – Coloring Games	Underground Blossom
Genre	Puzzle	Puzzle
Price	Free	Paid
Difficulty	easy	hard
Ad intensity	high	none
In-app-purchase pressure	medium	none
Typical session	variable	long
Rating	4.8 / 5	4.9 / 5
Ratings count	3,398,350	4,368
Reviews say	What players like Calming and meditative for anxiety/ADHD Vast library of pictures including Disney content Satisfying animated playback on completion Common complaints Excessive ads interrupt coloring mid-session Ads pop up and open browser tabs without permission Touch sensitivity issues requiring multiple taps	What players like Captivating storytelling with emotional depth Challenging, creative puzzles that engage critical thinking Exceptional art direction and atmospheric soundtrack Common complaints Relatively abrupt ending may feel unsatisfying Some puzzles frustratingly difficult without hints Game is quite short for the price (roughly 2-5 hours)

Happy Color® – Coloring Games — A relaxing color-by-numbers game with 40,000+ pictures designed to calm anxiety and ADHD through meditative coloring. (rated easy difficulty, high ad pressure) Underground Blossom — A haunting point-and-click puzzle adventure through seven metro stations representing fragments of Laura Vanderboom's fractured memories. (rated hard difficulty, none ad pressure)

Data: Apple App Store, as of 2026-08-24. Last updated 2026-08-24.