Unreal Engine is one of the top notch engines of the industry. It’s developed by Epic games and has been used for many AAA games. The engine also has a free SDK version, the Unreal Development Kit (UDK) that is free for non-commercial purposes.
Videos:
Unreal Engine 4 — Infiltrator GDC 2013 Demo
Languages: Unreal uses Kismet, a visual scripting system but also has UnrealScript, which is a high-level programming language.
Platforms: Windows, Mac, iOS, Flash, Android, Xbox 360, PS3, PSVita and Wii U.
Price: Free UDK and Full License.
Tutorials:
Jazz Jackrabbit UDK iOS Tutorial
Job opportunities:
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