Board Thread:General Discussion/@comment-28885320-20160711182624/@comment-29313904-20160727215658

If you think about it, it makes sense why Frisk is the only human to survive, at least in a gameplay sense.

The Light Blue soul is an  plot-hole. Nobody entered or left the RUINS for ages. How the hell they picked their SOUL there? But even if they did, Light Blue Attacks make you stop, and they simply couldn't move and the enemies killed them.

The Orange attacks require the player to keep moving. In Snowdin, there are attacks that require the player to stand still. The Orange SOUL human died there.

The Dark Blue one is affected by gravity. In Waterfall, enemies like Aaron have attacks that come directly from below, and the player needs to be either in the center or the top to properly avoid them.

The Purple SOUL died in Waterfall. This is a pretty easy one. The Purple SOUL is associated with note-taking. Due to the darkness of Waterfall, the purple SOUL was unable to take notes and found their demise, as they could not strategize as efficiently.

The Yellow SOUL is a very tricky one. I can't really think of any reasons why they stopped at Waterfall.

Green SOUL had the ability to shield. The Orange lasers made Green's demise, as they couldn't move, and shielding is inneffective against potent lasers.

But the red SOUL? They can move and stop. They could whatever the hell they want, they had a massive advantage in the other souls, who all had limitations.