These are the different routes that can be done in terms of speedrunning.
“The Hard Route is one of two any% category in LIMBO. The player is required to complete the game...Hard Route
“The Normal Route is the standard any% route for LIMBO. The timer starts when the player presses...Normal Route
“The 9 eggs category is one of the four main routes offered in Limbo. It's most comparable to the...9 Eggs