A good way to find people for playing your game is to put it on the social network: And what can be better and more effective than Facebook?!
Sentiment Quiz exploits human intelligence for providing words' collocations. A player should choose if the word written is positive, very positive, negative, very negative or neutral. If his choice matches with the answers of other players, he will get points and a small icon depicting him tries to get ahead of his concurents. The game is available in 7 languages: English, German, French, Spanish, Italian, Portuguese and Russian. One can win DVD from movie collection if he gets the most points.
Design of the game leaves somehow much to be desired. In comparison with the GWAP, it is not so colourful and competetive. There is also no time restriction: you can play as long as you wish.
The results will be used for some scientific research. I think, something in SentiWordNet style or opinion mining. Maybe also lexical functions or machine translations.
Somehow, the Sentiment Quiz team have recently gathered 98% evaluated terms. Within this period 5540 players helped evaluating terms from different languages!!! Sounds amazing!!!