Hollow Knight and Crossing Souls.

[Lobster]

Here are two campaigns with some impressive atmosphere in their pitch videos.

Hollow Knight has a haunting trailer thanks to a mix of the music and environment art. It is a 2D metroidvania set in an underground world populated by insects.

Crossing Souls is an RPG adventure with animated scenes and a soundtrack inspired by 1980s TV. The actual game uses pixel art.

[Lobster]

Both campaigns hit their goals.

Hollow Knight ramped up its momentum a lot in its last week. The $25 tier was a great performing reward.
http://i.imgur.com/KM2R9NA.png

Crossing Souls made multiple modifications to its reward tiers over time to adapt.
http://i.imgur.com/pxa3IBa.png