Give in to Soulless: the enigmatic indie 2D puzzle platformer developed by two high school students and greenlit by the Steam community.
 
Follow the ray of hope in a world of darkening silhouettes as you help Elin save his friend and face his deepest fears.
 
Immerse yourself in Elin’s childlike wonder, and witness each new puzzle, secret, sin, or dilemma unfold to discover the truth behind this shadowy world.
 
Features:

Travel through beautiful handcrafted environments in this imaginative, psychological indie 2D platformer
Challenge yourself with intricate puzzles, cryptic bosses and refreshing gameplay
Confront the seven deadly sins, secrets, dilemmas and atmospheric perspectives
Explore this rich and mysterious world of silhouettes with an epic original soundtrack
Come back for more: with three different endings to uncover
Experience a deeply moving personal journey of hope…

 
Windows
MINIMUM:
OS: Windows XP Service Pack 3
Processor: 2.4 GHz Intel Core 2 Duo
Memory: 2 GB RAM
Graphics: 256 MB NVIDIA GeForce 8600 GTS
DirectX: Version 9.0c
Storage: 2 GB available space
Sound Card: DirectX Compatible Sound Card
Additional Notes: Mouse+Keyboard or Controller
 
Mac OSX
MINIMUM:
OS: OS X 10.9.5
Processor: 2.4Ghz Intel Core 2 Duo
Memory: 2 GB RAM
Graphics: NVIDIA GeForce 9400M 256MB
Storage: 2 GB available space
Sound Card: Compatible Sound Card
Additional Notes: Mouse+Keyboard or Controller
 
Linux
MINIMUM:
OS: Ubuntu 14.04
Processor: 2.4 GHz Intel Core 2 Duo
Memory: 2 GB RAM
Graphics: NVIDIA GeForce 9400M 256MB
Storage: 2 GB available space
Sound Card: Compatible Sound Card
Additional Notes: Mouse+Keyboard or Controller
http://store.steampowered.com/app/528300/

Check this game out on IndieGamestand