| Name a Valid European Capital | 0 | - | 4.95 | 152,087 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,053 |
| Name a City - European Countries | 0 | - | 4.90 | 65,206 |
| 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 | 74,832 |
| Europe Capital to Country | 0 | - | 4.99 | 249,593 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,602 |
| European Capitals by Map | 0 | - | 4.99 | 138,602 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,892 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,247 |
| European Coastal Capitals | 0 | - | 4.95 | 90,396 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,577 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,483 |
| Which City in Europe? | 0 | - | 4.83 | 107,178 |
| Official Cities in the UK | 0 | - | 4.89 | 283,108 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,898 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,081 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,184 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,112 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,946 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,059 |
| Random European City to Country | 0 | - | 4.69 | 117,470 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,975 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,103 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,801 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,676 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,649 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,911 |
| Which City in California? | 0 | - | 4.56 | 32,000 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,188 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,423 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,384 |
| Asia Capital to Country | 0 | - | 4.96 | 126,479 |
| African Capitals by Map | 0 | - | 4.99 | 133,386 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,085 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,505 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,202 |
| 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 | 94,079 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,725 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,453 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,458 |
| Cities in European History #1 | 0 | - | 4.63 | 133,812 |
| 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 | 55,705 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,669 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,475 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,115 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,248 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,003 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,704 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,101 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,843 |
| European Cities by Clue | 0 | - | 4.70 | 89,006 |
| Which City in Canada? | 0 | - | 4.82 | 56,945 |
| 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 | 108,132 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,656 |
| British Places A-Z | 0 | - | 4.29 | 79,820 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,506 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,556 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,365 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,582 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,903 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,802 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,840 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,004 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,045 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,378 |
| Capitals of the Stans | 0 | - | 4.95 | 26,747 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,470 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,629 |
| Random Asian City to Country | 0 | - | 4.56 | 44,459 |
| 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 | 39,491 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,869 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,211 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,554 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,562 |
| Random European Capital to Country | 0 | - | 4.98 | 190,645 |
| Random European Country to Capital | 0 | - | 4.93 | 164,653 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,225 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,605 |
| Random African Capital to Country | 0 | - | 4.97 | 100,500 |
| Random African Country to Capital | 0 | - | 4.94 | 71,098 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,834 |
| Which City in Germany? | 0 | - | 4.50 | 136,304 |
| Which City in Italy? | 0 | - | 4.68 | 90,008 |
| Which City in France? | 0 | - | 4.64 | 72,977 |
| Which City in Spain? | 0 | - | 4.50 | 49,883 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,469 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,229 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,710 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,003 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,774 |
| Random U.S. City to State | 0 | - | 4.45 | 76,134 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,621 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,665 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,964 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,882 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,029 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,076 |
| 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 | 87,699 |
| London Geography | 0 | - | 4.47 | 59,630 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,281 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,476 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,792 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,128 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,323 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,857 |
| 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 | 109,969 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,245 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,278 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,974 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,638 |
| Countries by Capital City | 0 | - | 5.00 | 67,930 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,973 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,466 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,972 |
| Moved Capital Cities | 0 | - | 4.96 | 74,065 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,164 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,406 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,412 |
| Random Country to Capital | 0 | - | 4.98 | 918,437 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,710 |
| 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 | 24,466 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,767 |
| Paris A-Z | 0 | - | 4.16 | 17,437 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,262 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,949 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,674 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,574 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,172 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,337 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,741 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,000 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,264 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,731 |
| North American Sports Cities | 0 | - | 4.83 | 171,762 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,252 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,513 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,419 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,867 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,700 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,103 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,790 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,612 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,700 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,252 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,699 |
| Cities by Former Name | 0 | - | 4.83 | 91,429 |
| Former Capitals | 0 | - | 4.88 | 71,382 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,330 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,580 |
| Capital Cities Chain | 0 | - | 4.83 | 82,500 |
| Coldest World Capitals | 0 | - | 4.95 | 133,466 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,902 |
| World Capitals by Map | 0 | - | 5.00 | 285,644 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,167 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,403 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,692 |
| Capitals Starting With H | 0 | - | 4.91 | 92,187 |
| Capitals Starting With K | 0 | - | 4.87 | 81,308 |
| Capitals Starting With L | 0 | - | 4.81 | 87,675 |
| Capitals Starting With M | 0 | - | 4.93 | 107,261 |
| Capitals Starting With P | 0 | - | 4.88 | 77,869 |
| Capitals Starting With R | 0 | - | 4.87 | 81,531 |
| Capitals Starting With S | 0 | - | 4.90 | 85,471 |
| Capitals Starting With T | 0 | - | 4.85 | 75,904 |
| Capitals Starting With W | 0 | - | 4.87 | 91,096 |
| Capitals Starting With A | 0 | - | 4.97 | 127,482 |
| Capitals Starting With B | 0 | - | 4.89 | 118,102 |
| Capitals Starting With D | 0 | - | 4.93 | 96,106 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,706 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,193 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,497 |
| US States and State Capitals | 0 | - | 4.99 | 161,317 |
| 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 | 34,380 |
| New York City A-Z | 0 | - | 4.18 | 32,278 |
| 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 |
