| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,704 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,035 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,515 |
| Asia Capital to Country | 0 | - | 4.96 | 126,368 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,953 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,455 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,872 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,643 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,998 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,140 |
| Which City in Australia? | 0 | - | 4.67 | 34,364 |
| Capitals of the Stans | 0 | - | 4.95 | 26,690 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,942 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,009 |
| Which City in Germany? | 0 | - | 4.50 | 136,031 |
| Which City in Italy? | 0 | - | 4.67 | 89,910 |
| Which City in France? | 0 | - | 4.64 | 72,930 |
| Which City in Spain? | 0 | - | 4.50 | 49,859 |
| Random Asian City to Country | 0 | - | 4.56 | 44,456 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,180 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,419 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,568 |
| Name a City - European Countries | 0 | - | 4.90 | 65,113 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,941 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,601 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,408 |
| Which City in Europe? | 0 | - | 4.83 | 107,116 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,035 |
| Which City in California? | 0 | - | 4.56 | 31,987 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,306 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,736 |
| Europe Capital to Country | 0 | - | 4.99 | 249,380 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,461 |
| European Capitals by Map | 0 | - | 4.99 | 138,338 |
| African Capitals by Map | 0 | - | 4.99 | 133,151 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,800 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,163 |
| European Coastal Capitals | 0 | - | 4.95 | 90,306 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,892 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,336 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 81,691 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,524 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,338 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,526 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,125 |
| Official Cities in the UK | 0 | - | 4.89 | 282,792 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,857 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,128 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,850 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,189 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,838 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,912 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,876 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,038 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,011 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,124 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,773 |
| Which City in Asia? | 0 | - | 4.52 | 51,296 |
| Which City in Canada? | 0 | - | 4.82 | 56,928 |
| Which City in Texas? | 0 | - | 4.45 | 25,049 |
| Which City in Florida? | 0 | - | 4.61 | 10,974 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,974 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,861 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,750 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,361 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,441 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,250 |
| World Capitals Quiz | 0 | - | 5.00 | 5,059,238 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,852 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,782 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,906 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 120,805 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,674 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,490 |
| Random European City to Country | 0 | - | 4.69 | 117,397 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,347 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,380 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,126 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,282 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,048 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,496 |
| Random European Capital to Country | 0 | - | 4.98 | 190,514 |
| Random European Country to Capital | 0 | - | 4.93 | 164,105 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,068 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,330 |
| Random African Capital to Country | 0 | - | 4.97 | 100,385 |
| Random African Country to Capital | 0 | - | 4.94 | 70,969 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,672 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,763 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,682 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,983 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,915 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,668 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,679 |
| Random U.S. City to State | 0 | - | 4.45 | 75,973 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,487 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,182 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,567 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,895 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,375 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,132 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,914 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,975 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,047 |
| European Cities by Clue | 0 | - | 4.70 | 88,986 |
| Hindu Countries | 0 | - | 4.86 | 49,956 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,186 |
| Countries that Beat China | 0 | - | 4.86 | 115,407 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,640 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,445,852 |
| Asia Map Quiz | 0 | - | 4.99 | 913,471 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,067 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,740 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,712 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,840 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,191 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,209 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,843 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,463 |
| Countries by Capital City | 0 | - | 5.00 | 67,788 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,901 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,394 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,892 |
| Moved Capital Cities | 0 | - | 4.96 | 73,994 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,801 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,339 |
| Random Country to Capital | 0 | - | 4.98 | 917,113 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 28,049 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,466 |
| Which City in Africa? | 0 | - | 4.77 | 57,743 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,760 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,777 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,938 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,494 |
| Countries that Beat Egypt | 0 | - | 4.89 | 56,853 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,429 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,819 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,607 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,875 |
| North American Sports Cities | 0 | - | 4.83 | 171,658 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,169 |
| Cities in European History #1 | 0 | - | 4.63 | 133,725 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,480 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,294 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,686 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,384 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,093 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,709 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,362 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,573 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,186 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,607 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,637 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,460 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,178 |
| Name a Valid World City | 0 | - | 4.83 | 70,852 |
| Cities by Former Name | 0 | - | 4.83 | 91,379 |
| Former Capitals | 0 | - | 4.88 | 71,351 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,561 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,289 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,531 |
| Capital Cities Chain | 0 | - | 4.83 | 82,410 |
| Coldest World Capitals | 0 | - | 4.95 | 133,416 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,795 |
| World Capitals by Map | 0 | - | 5.00 | 285,331 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,099 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,321 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,730 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,582 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,387 |
| Capitals Starting With H | 0 | - | 4.90 | 91,886 |
| Capitals Starting With K | 0 | - | 4.85 | 76,062 |
| Capitals Starting With L | 0 | - | 4.81 | 87,288 |
| Capitals Starting With M | 0 | - | 4.93 | 106,809 |
| Capitals Starting With P | 0 | - | 4.88 | 77,566 |
| Capitals Starting With R | 0 | - | 4.87 | 81,330 |
| Capitals Starting With S | 0 | - | 4.89 | 85,204 |
| Capitals Starting With T | 0 | - | 4.84 | 75,675 |
| Capitals Starting With W | 0 | - | 4.87 | 90,951 |
| Capitals Starting With A | 0 | - | 4.97 | 127,135 |
| Capitals Starting With B | 0 | - | 4.89 | 117,786 |
| Capitals Starting With D | 0 | - | 4.93 | 95,852 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,678 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,179 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,480 |
| US States and State Capitals | 0 | - | 4.99 | 160,958 |
| Which City in Latin America? | 0 | - | 4.63 | 46,969 |
| Hong Kong Facts | 0 | - | 4.49 | 29,242 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,126 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,399 |
| Countries of the Middle East | 0 | - | 4.96 | 200,592 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,566 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,193 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,441 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,893 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,752 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,510 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,027 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,179 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,731 |
