Some models have interchangeable nibs to allow for different effects.

This world is a source of the valuable mineral known as "soulstone" which allows for magical effects.

Another model allows for partisan effects to occur even in the presence of rational expectations.

Other games feature environments which are extensively destructible, allowing for additional visual effects.

Release of the film was moved back in post-production to allow more time for special effects and marketing.

This allows for more realistic graphics and effects, such as having rain bounce off the player's weapon.

It also allows for special effects, since each window is stored as a large, flat, 3D polygon.

But like phase diagrams, they do not allow for reaction rate or kinetic effects.

It also allows for special effects such as repeating a note very quickly without stopping the sound from the previous note.

Dynamic lighting allows for day/night cycles and special effects, such as ion storms.