Loopz is an NES title released in the US which presented a unique puzzle game experience, focusing on manipulating colored blocks within a grid to complete each level. The core gameplay required strategic planning to arrange the blocks in the correct patterns.  The original concepts behind Loopz's gameplay are unique. Although specific developer details may be less well known, Loopz's focus on simple, yet challenging, puzzle mechanics established its place in the NES catalog.  Its simplicity and addictive nature makes it stand out among the more complex games of the era.

Loopz (USA)

Lode Runner (Japan)