Spewer

"You're born into this world a guinea pig before god. Unsure of his motives you progress through life solving his puzzles searching for meaning in the rudimentary problems of everyday life.

To make sense of life we must evolve past our previous forms, purge from our bodies the rules set in place by our previous selves in order to see the future with new eyes....

In other words Spewer is a game about puking.

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'''Spewer is a puzzle platformer that uses liquid physics though regurgitation as its core mechanic. Taking the role of a mysterious test subject, code named Spewer, you must vomit your way through over 60 levels of stomach turning puzzles, learning new abilities, changing forms and piecing together your purpose in life."'''

- Edmund McMillen

Spewer is the 3rd game in the list in "The Basement Collection"

Story
In Spewer, you are a science creation made by the scientist in the background of the game. His name is unknown.

SPOILER START

Ar the end of the game, a cutscene starts showing Spewer escapes the terrarium and shortly after, is confronted by the scientist. The scientist hold Spewer with his hand and walks into a room showing a child with his eyes close, in critical condition with an IV drip. Spewer sadden by this, Jumps into the IV drip and goes into the child's bloodstream. A short while later, The child's eyes open

SPOILER END

Gameplay
In Spewer, you solve puzzles by puking and using physics to push yourself. there are multiple types of puke in the game, such as the regular puke which is used to push yourself, but doesn't push you very fast, Cloud puke makes puke float and you can swim through the air with, there is Red Puke which is just like regular puke but it pushes you so you go really far, then there is Solid Puke which forms solid chunks you can stand on, then there is Acid Puke, which is used just like the acid in the game, but it lets you touch the acid, and puke it, and it destroys certain blocks. There are 5 chapters in Spewer and 1 Bonus chapter. Each chapter introduces a different type of puke, except for the bonus chapter.