Riko Ophorst
old (03 Jul 1996)
Graphics & engine programmer
Comp. Science at NHTV Breda (IGAD)
C++, C#, C
HLSL, GLSL
JavaScript, HTML5
OpenGL, Vulkan, DirectX 11, DirectX 12
More about me..
Download resume
Flappy Christmas
  • Shipped game
  • JavaScript
  • HTML5
  • Mobile
  • Internship project
What is Flappy Christmas?
Flappy Christmas is part of the Dr Atom & Quark franchise, where Quark goes on a christmas themed flight.
  • Based on the infamous Flappy Bird.
  • Dr Atom is looking at flying Quark, don't disappoint!
  • Dodge all the obstacles.
  • Get all the stars and buy upgrades.
  • Get as far as possible.
Technical specifications
  • JavaScript
  • HTML5
  • Optimized for mobile and web
  • Built in around 2 months (Sep 2014 - Oct 2014)
  • 1 programmer, 1 artist
Play the game
Source is confidential, sorry.
My contribution to Flappy Christmas
I was responsible for everything programming-wise in the game. Some of the major things:
  • Programmed all of the UI in the game.
  • Lots of bugfixing work on the game.
  • Optimized for mobile devices.
  • Implemented analytics for the game.
  • Worked closely with artists to iterate over new assets.