60		J.B. Harold: Blue Chicago Blues (PlayStation, 1995)
60		Psychic Detective (PlayStation, 1996)
50		Bounty Hunter Sara: Holy Mountain no Teiō (PlayStation, 2001)
50		Critical Bullet: 7th Target (PlayStation 2, 2002)
50		R?MJ: The Mystery Hospital (PlayStation, 1997)
50		Eurasia Express Satsujin Jiken (PlayStation, 1998)
50		Jikū Tantei DD: Maboroshi no Lorelei (PlayStation, 1996)
45		The Shapeshifting Detective (PlayStation 4, 2018)

Notes: Games similar to The Infectious Madness of Doctor Dekker, Games like The Infectious Madness of Doctor Dekker, D'Avekki Studios Ltd., Wales Interactive Ltd., PlayStation 4, Adventure, Full Motion Video, FMV, Detective, Mystery, 1st-person, Sony PlayStation, PSX, PS1, PS2, PS3, PS4, Game Similarities.