| Which City In the United Kingdom? | 0 | - | 4.97 | 93,280 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,544 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,900 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,049 |
| Name a City - European Countries | 0 | - | 4.92 | 64,285 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,552 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,997 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,606 |
| Random Country to Capital | 0 | - | 4.98 | 910,743 |
| Which City in Europe? | 0 | - | 4.83 | 106,562 |
| Which City in Australia? | 0 | - | 4.67 | 34,211 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,259 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,675 |
| Europe Capital to Country | 0 | - | 4.99 | 247,335 |
| Asia Capital to Country | 0 | - | 4.96 | 125,642 |
| Capital Cities Chain | 0 | - | 4.84 | 81,831 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,327 |
| European Capitals by Map | 0 | - | 4.99 | 135,999 |
| African Capitals by Map | 0 | - | 4.99 | 132,075 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,991 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,087 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,539 |
| European Coastal Capitals | 0 | - | 4.95 | 89,668 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,149 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,454 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,588 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,385 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,898 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,159 |
| Which City in Germany? | 0 | - | 4.50 | 134,900 |
| Which City in Italy? | 0 | - | 4.55 | 78,116 |
| Which City in France? | 0 | - | 4.64 | 72,359 |
| Which City in Spain? | 0 | - | 4.50 | 49,412 |
| Official Cities in the UK | 0 | - | 4.89 | 280,243 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,055 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,439 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,898 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,588 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,567 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,346 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,037 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,090 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,654 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,382 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,717 |
| Which City in Canada? | 0 | - | 4.82 | 56,619 |
| Which City in California? | 0 | - | 4.56 | 31,867 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,102 |
| Random European City to Country | 0 | - | 4.69 | 116,239 |
| Random Asian City to Country | 0 | - | 4.56 | 44,379 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,709 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,132 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,615 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,727 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,789 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,318 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,380 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,032 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,714 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,417 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,584 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,617 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,763 |
| Capitals of the Stans | 0 | - | 4.95 | 26,373 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,395 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,478 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,335 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,159 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,964 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,847 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,835 |
| Random European Capital to Country | 0 | - | 4.98 | 189,084 |
| Random European Country to Capital | 0 | - | 4.92 | 147,356 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,298 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,337 |
| Random African Capital to Country | 0 | - | 4.97 | 99,682 |
| Random African Country to Capital | 0 | - | 4.94 | 70,161 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,652 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,759 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,786 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,112 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,353 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,746 |
| Random U.S. City to State | 0 | - | 4.45 | 75,212 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,956 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,980 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,034 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,778 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,217 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,583 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,757 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,449 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,243 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,833 |
| European Cities by Clue | 0 | - | 4.70 | 88,772 |
| Which City in Texas? | 0 | - | 4.45 | 24,959 |
| Which City in Florida? | 0 | - | 4.61 | 10,920 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,044 |
| North American Sports Cities | 0 | - | 4.83 | 170,787 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,889 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,619 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,649 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,360 |
| Name a Valid World City | 0 | - | 4.83 | 70,019 |
| Cities by Former Name | 0 | - | 4.84 | 90,886 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,646 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,835 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,580 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,198 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,533 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,499 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,257 |
| Countries by Capital City | 0 | - | 5.00 | 66,492 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,240 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,822 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,356 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,811 |
| Moved Capital Cities | 0 | - | 4.96 | 73,529 |
| World Capitals by Map | 0 | - | 5.00 | 282,907 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,609 |
| Capitals Starting With H | 0 | - | 4.90 | 89,756 |
| Capitals Starting With K | 0 | - | 4.85 | 75,556 |
| Capitals Starting With M | 0 | - | 4.93 | 105,863 |
| Capitals Starting With P | 0 | - | 4.88 | 77,066 |
| Capitals Starting With R | 0 | - | 4.87 | 80,859 |
| Capitals Starting With S | 0 | - | 4.89 | 84,678 |
| Capitals Starting With T | 0 | - | 4.84 | 75,185 |
| Capitals Starting With W | 0 | - | 4.89 | 90,506 |
| Capitals Starting With A | 0 | - | 4.97 | 126,370 |
| Capitals Starting With B | 0 | - | 4.89 | 117,134 |
| Capitals Starting With D | 0 | - | 4.93 | 95,225 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,114 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,160 |
| Which City in Africa? | 0 | - | 4.78 | 57,550 |
| Which City in Asia? | 0 | - | 4.51 | 51,085 |
| Which City in Latin America? | 0 | - | 4.63 | 46,824 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,780 |
| Cities in European History #1 | 0 | - | 4.63 | 132,994 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,448 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,270 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,178 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,548 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,105 |
| North America Cities by Map | 0 | - | 4.41 | 47,596 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,794 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,003 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,105 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,925 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,533 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,128 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,279 |
| Former Capitals | 0 | - | 4.88 | 71,096 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,382 |
| Coldest World Capitals | 0 | - | 4.95 | 132,993 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,323 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,708 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,046 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,717 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,111 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,708 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,748 |
| Countries by Emojis | 0 | - | 4.99 | 235,892 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,038 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,339 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,575 |
| U.S. States with Shortest Maximum Distances to the Ocean | 0 | - | 4.66 | 20,594 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,668 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 61,984 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,239 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,277 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,946 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,587 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,000 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,463 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,755 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,842 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,713 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,917 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,770 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,073 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,495 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,050 |
| World City Nicknames Quiz | 0 | - | 4.19 | 35,451 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,804 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,675 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,311 |
| South American Cities on the Map | 0 | - | 4.57 | 35,231 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,574 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,621 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,603 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,553 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,155 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,579 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,123 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,191 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,584 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,773 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,999 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,131 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,048 |
