Duolingo

Duolingo is a gamified language learning app, which works using the spaced repetition technique. In order to keep the learner engaged, Duolingo has leaderboards, daily objectives and rewards like badges, items, its own currency and experience points. As September 24th, 2024, Duolingo added a new lesson type called "Adventures", in which you can control one of Duolingo's mascots, while answering questions to make the scene play out. As of April 2025, Duolingo has added a Chess course for iOS.

Who Wants to Be a Millionaire Second Edition is the second game based on the hit TV gameshow. You have to answer fifteen questions, slowly going up to the one million mark. If you have trouble, there are three lifeline you can use to help you: Phone a friend, 50/50 and ask the audience.

The second game in the Virtual Chess series.

What Would You Choose is a fun and addicting game where you have to choose between two difficult scenarios. Including hundreds of the best hand-picked Would You Rather questions and even a voting system for your favorite options!

When a little brat girl named Polly Spark sends 25 of her fathers robots in time to change history, it's up to you and a robot boy named Botley to capture the Robots and bring history back to normal. In Polly's mystery Mountain Mansion you must go around the Mansion playing games and Logic puzzles that teach 2nd, 3rd and 4th grade subjects, to save the world from crazy history.

Become an expert in geography with World Geography - Quiz Game. World Geography is a quiz game that will help you to learn everything about countries - maps, flags, emblems, capitals, population, religion, languages, currencies, and much more. This game will help you learn all about geography in an easy and enjoyable way.

Play 1000s of free quizzes on your PC. Challenge your friends on any device. Use phones or tablets as controllers and compete in multiple question types.

Guess the hidden flag in six tries. After each guess, pixels of the solution that overlap with the guessed flag will be revealed.

AIDS Awareness contains 100 questions to test your awareness of the facts about HIV and AIDS. You won't know all of the answers-- in fact, many of the questions are very difficult. As you select your answers, the program will tell you whether you are right or wrong, and it will tell you why. By the time you've answered all of the questions, you will be AIDS Aware.

This is a fun little quiz game where you a hear the first seconds of game tunes and guess which game it is.

The game is divided into 5 different sections focusing on baby animals, animal facts, animal habitats, information on the San Diego Zoo itself and all about saving endangered animals from extinction. The content consists of several video clips, audio, photos and articles.