7 Video Games That Broke Their Own Rules

7. Portals Can't Move (Portal 2)

The vast majority of puzzles in the Portal series are wound to perfection, making it abundantly clear what the player can and can't do in each given situation.

For instance, throughout both of the core games, it's firmly established that your portals will disappear if you place them on a moving surface. This rule was obeyed all the way through 2007's Portal, and for most of 2011's Portal 2 - before it was ultimately broken in one infamous puzzle.

In the sequel's fifth chapter, there's a neurotoxin room that requires players to destroy a generator by using a laser to cut through some tubes.

This is accomplished by firing a portal onto a moving white platform, causing the laser to slice through each tube like a hot knife through butter.

As pointed out by fans of the series, this is the only time in both games where portals are capable of moving, and though some people go to ridiculous lengths to defend this rule-break ("well, the Earth is moving, so technically portals are always on a moving surface"), it quite obviously goes against the established limitations of portal movement, for no good reason.