Igor is a video game created by Maarten Egmond. It was released on April 4 2004 as an unofficial sequel

Sequel

A sequel is a narrative, documental, or other work of literature, film, theatre, or music that continues the story of or expands upon issues presented in some previous work...

 to the 1991 game, Supaplex

Supaplex

Supaplex is a video game created by Philip Jespersen and Michael Stopp, two Swiss students, and published by Digital Integration in 1991. It is an extended clone of Boulder Dash.-History:...

, and was originally intended to be named "Supaplex-2."

Gameplay

Igor is a puzzle game in which the player progresses through levels by collecting datapods. Traps exist to hinder progress, and objects can be used to help complete puzzles. Igor also features a level editor.