Stashed in: Gamification!, Russia and Friends, Maps!, Gamers!, Tetris
Tetris is a metaphor for Soviet Russia:
Errors pile up and accomplishments disappear.
Beating Tetris: http://pandawhale.com/post/11986/beating-tetris-gif-mario-vs-pacman-gif-and-story-gifs
What is a good rebuttal to the line, "Gamification is the high-fructose corn syrup of user engagement"? - Quora
Kid Playing Super Mario Bros I on Nintendo NES
Oh, NOW your arm doesn't get tired.
StarCraft II: Wings of Liberty hell it's about time gif