Classic Games Database
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Harley's Humongous Adventure

Review
Also known as
Kagakusha Harley no Haran Banjō 化学者ハリーの波乱万丈

Guide a shrunken scientist through oversized environments to recover his machine parts.

Harley's Humongous Adventure was released for the Super Nintendo Entertainment System in 1993 by Hi-Tech Expressions. The Japanese version, published by Altron, also released in 1993. No earlier release on any platform is known.

About Harley's Humongous Adventure

Harley's Humongous Adventure centers on a brilliant young scientist who becomes insect-sized after a laboratory accident destroys his experimental shrinking device. His objective is to locate the scattered components of this machine to reverse the effects.

The perspective shifts dramatically due to the protagonist's reduced scale, making ordinary environments seem vast. Gameplay involves navigating these oversized settings and undertaking various actions, which include operating vehicles like a tank, utilizing a jet pack, and engaging in confrontations with creatures such as a giant rat.

Harley's Humongous Adventure Screenshots

12 images
Intro: An accident in the lab
Intro: Shrinks Harley
Intro: Now you gotta reverse the shrinker ray
Intro: The items you will encounter in the game
Title Screen
Choose between 1 or 2 player
Chapter One
Collect items while exploring your lab
Harley jumps weird...
Collecting screws
Using suction cups to travel like spiderman
Or use your jet pack