| Name a Valid European Capital | 0 | - | 4.95 | 152,084 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,052 |
| Name a City - European Countries | 0 | - | 4.90 | 65,205 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,445 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,785 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,830 |
| Europe Capital to Country | 0 | - | 4.99 | 249,590 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,597 |
| European Capitals by Map | 0 | - | 4.99 | 138,599 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,888 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,246 |
| European Coastal Capitals | 0 | - | 4.95 | 90,396 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,573 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,482 |
| Which City in Europe? | 0 | - | 4.83 | 107,177 |
| Official Cities in the UK | 0 | - | 4.89 | 283,092 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,896 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,081 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,179 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,112 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,943 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,055 |
| Random European City to Country | 0 | - | 4.69 | 117,469 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,956 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,060 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,796 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,674 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,648 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,907 |
| Which City in California? | 0 | - | 4.56 | 32,000 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,182 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,420 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,383 |
| Asia Capital to Country | 0 | - | 4.96 | 126,476 |
| African Capitals by Map | 0 | - | 4.99 | 133,377 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,083 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,505 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,192 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,299 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,747 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,077 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,725 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,406 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,451 |
| Cities in European History #1 | 0 | - | 4.63 | 133,809 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,920 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,309 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,704 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,666 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,459 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,101 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,248 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,001 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,700 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,097 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,841 |
| European Cities by Clue | 0 | - | 4.70 | 89,002 |
| Which City in Canada? | 0 | - | 4.82 | 56,944 |
| Which City in Texas? | 0 | - | 4.45 | 25,057 |
| Which City in Florida? | 0 | - | 4.61 | 10,978 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,130 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,653 |
| British Places A-Z | 0 | - | 4.29 | 79,818 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,506 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,554 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,365 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,473 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,902 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,798 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,840 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,995 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,030 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,375 |
| Capitals of the Stans | 0 | - | 4.95 | 26,746 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,469 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,598 |
| Random Asian City to Country | 0 | - | 4.56 | 44,458 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,199 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,746 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,490 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,822 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,210 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,553 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,561 |
| Random European Capital to Country | 0 | - | 4.98 | 190,638 |
| Random European Country to Capital | 0 | - | 4.93 | 164,640 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,224 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,604 |
| Random African Capital to Country | 0 | - | 4.97 | 100,495 |
| Random African Country to Capital | 0 | - | 4.94 | 71,097 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,832 |
| Which City in Germany? | 0 | - | 4.50 | 136,301 |
| Which City in Italy? | 0 | - | 4.68 | 90,005 |
| Which City in France? | 0 | - | 4.64 | 72,977 |
| Which City in Spain? | 0 | - | 4.50 | 49,880 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,458 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,229 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,706 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,922 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,771 |
| Random U.S. City to State | 0 | - | 4.45 | 76,126 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,619 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,660 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,963 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,882 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,026 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,073 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,014 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,149 |
| Boroughs of London | 0 | - | 4.63 | 87,697 |
| London Geography | 0 | - | 4.47 | 59,630 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,278 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,476 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,791 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,125 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,323 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,853 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,832 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,374 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,726 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,968 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,243 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,275 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,972 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,636 |
| Countries by Capital City | 0 | - | 5.00 | 67,927 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,973 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,464 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,971 |
| Moved Capital Cities | 0 | - | 4.96 | 74,065 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,105 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,406 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,409 |
| Random Country to Capital | 0 | - | 4.98 | 918,425 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,686 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,265 |
| Which City in Africa? | 0 | - | 4.77 | 57,764 |
| Which City in Asia? | 0 | - | 4.52 | 51,322 |
| Rome A-Z | 0 | - | 4.39 | 24,465 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,766 |
| Paris A-Z | 0 | - | 4.16 | 17,437 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,259 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,948 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,671 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,571 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,171 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,333 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,735 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,995 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,211 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,729 |
| North American Sports Cities | 0 | - | 4.83 | 171,760 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,248 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,513 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,418 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,867 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,699 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,102 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,790 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,610 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,699 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,251 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,697 |
| Cities by Former Name | 0 | - | 4.83 | 91,428 |
| Former Capitals | 0 | - | 4.88 | 71,381 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,330 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,578 |
| Capital Cities Chain | 0 | - | 4.83 | 82,499 |
| Coldest World Capitals | 0 | - | 4.95 | 133,465 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,898 |
| World Capitals by Map | 0 | - | 5.00 | 285,637 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,166 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,398 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,690 |
| Capitals Starting With H | 0 | - | 4.91 | 92,179 |
| Capitals Starting With K | 0 | - | 4.87 | 81,171 |
| Capitals Starting With L | 0 | - | 4.81 | 87,664 |
| Capitals Starting With M | 0 | - | 4.93 | 107,247 |
| Capitals Starting With P | 0 | - | 4.88 | 77,864 |
| Capitals Starting With R | 0 | - | 4.87 | 81,525 |
| Capitals Starting With S | 0 | - | 4.90 | 85,462 |
| Capitals Starting With T | 0 | - | 4.85 | 75,901 |
| Capitals Starting With W | 0 | - | 4.87 | 91,093 |
| Capitals Starting With A | 0 | - | 4.97 | 127,470 |
| Capitals Starting With B | 0 | - | 4.89 | 118,094 |
| Capitals Starting With D | 0 | - | 4.93 | 96,100 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,705 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,192 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,497 |
| US States and State Capitals | 0 | - | 4.99 | 161,311 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,771 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,076 |
| Which City in Latin America? | 0 | - | 4.63 | 46,983 |
| Which City in Australia? | 0 | - | 4.67 | 34,379 |
| New York City A-Z | 0 | - | 4.18 | 32,277 |
| Geography of Rome | 0 | - | 4.51 | 16,651 |
| Paris City Trivia | 0 | - | 4.31 | 35,529 |
| Venice Trivia | 0 | - | 4.45 | 10,451 |
| Milan Trivia | 0 | - | 4.56 | 15,162 |
| Berlin City Trivia | 0 | - | 4.67 | 13,192 |
