Contests where C# code is allowed

Name
JavaScript Basics - 9 January 2015
Java Basics Exam - 7 January 2015
High-Quality Code Sample Exam
High-Quality Code - 18 Jan 2015 Morning
High-Quality Code - 18 Jan 2015 Evening
OOP Exam - 19 Jan 2015
High-Quality Code - 23 Jan 2015
Java Basics Exam - 8 February 2015
OOP Exam - 1 March 2015
I, Engineer Contest