A video showing all locations and solutions for the Life Hearts in Monster Boy and the Cursed Kingdom.

Video Timestamps:

00:00 #1 (Skullrock Beach)
00:36 #2 (The Sewers)
02:06 #3 (Village of Lupia)
02:40 #4 (Green Fields)
04:09 #5 (Misty Woods)
04:29 #6 (Misty Woods)
04:46 #7 (Crystal Caves)
05:56 #8 (Crystal Caves)
06:21 #9 (The Lost Temples)
06:52 #10 (The Lost Temples)
07:12 #11 ( Village of Aeria)
07:40 #12 (The Volcano)
08:31 #13 (Castle of Lupia)
09:49 #14 (The Falls)
10:36 #15 (Haunted Manor)
11:17 #16 (The Dark Realm)
12:01 #17 (Cyber Dungeon/Village of Lupia Well)