If you're looking for anime similar to Detective Conan OVA 2: 16 Suspects, you might like these titles. All recommendations are made by Anime-Planet users like you!
Inspector Cat, Detective Kun-Kun, Madam Rabbit and the rest of the gang are dishing it up at a dinner party one evening, chatting and admiring Madam Rabbit's newest gift: a gorgeous Blue Tiara! However, things take a turn for the worse when the lights go out, for Madam Rabbit's treasure is stolen! Now, Detective Kun-Kun and Inspector Cat must put on their thinking caps and catch the culprit - the mysterious Cat Thief!
Conan OVA 2 and Detective Kun-Kun explore the lighter side of a detective story - and both randomly take place at a dinner party! These two fit well together given the lighthearted tone and mood, though Kun-Kun is definitely a bit more kiddie at heart.