Mumps (Steam key).

http://store.steampowered.com/app/777020/Mumps/
«Mumps» — This is a fast, colorful and excellent 2D platformer with a pretty pink pig. The protagonist is a pink pig who called Mumps. Help the Mumps to avoid obstacles, pass all levels and get all the acorns. Feel like a pig and survive by collecting acorns.

● Unlock all Steam achievements.
● Pink platforms disappear when you touch it.
● Avoid Red Spikes.

Controls:
[Spacebar] or [Mouse click] - Jump
[R] - Restart game
[P] - Pause