| US States and State Capitals | 0 | - | 4.99 | 159,252 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,428 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 70,011 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,699 |
| Which City in Canada? | 0 | - | 4.82 | 56,787 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,657 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,995 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,987 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,668 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,203 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,229 |
| Name a City - European Countries | 0 | - | 4.92 | 64,644 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,901 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,415 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,675 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,934 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,874 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,808 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,549 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,146 |
| Europe Capital to Country | 0 | - | 4.99 | 248,363 |
| Asia Capital to Country | 0 | - | 4.96 | 125,939 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,784 |
| European Capitals by Map | 0 | - | 4.99 | 136,993 |
| African Capitals by Map | 0 | - | 4.99 | 132,452 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,093 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,463 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,413 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,796 |
| European Coastal Capitals | 0 | - | 4.95 | 89,936 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,265 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,555 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,293 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,491 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,852 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,405 |
| U.S. State Flags | 0 | - | 4.89 | 167,938 |
| Official Cities in the UK | 0 | - | 4.89 | 281,209 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,512 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,799 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,564 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,343 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,320 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,811 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,678 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 54,393 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,882 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,937 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,087 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,635 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,728 |
| Click a Valid US State A-Z | 0 | - | 4.90 | 115,286 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,688 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,271 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,487 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,421 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,502 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,931 |
| World Capitals Quiz | 0 | - | 5.00 | 5,040,449 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,559 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,249 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,782 |
| Which City in the United States? | 0 | - | 4.21 | 56,796 |
| Capitals of the Stans | 0 | - | 4.95 | 26,509 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,644 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,066 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,255 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,064 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,913 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,659 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,870 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,050 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,659 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,849 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,275 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,189 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,366 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,725 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,033 |
| Random European Capital to Country | 0 | - | 4.98 | 189,490 |
| Random European Country to Capital | 0 | - | 4.92 | 147,658 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,511 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,593 |
| Random African Capital to Country | 0 | - | 4.97 | 99,847 |
| Random African Country to Capital | 0 | - | 4.94 | 70,342 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,011 |
| Which City in Europe? | 0 | - | 4.83 | 106,876 |
| Random U.S. Sports Team to State | 0 | - | 4.36 | 26,293 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,614 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,592 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,082 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,480 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,965 |
| Random U.S. City to State | 0 | - | 4.45 | 75,483 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,056 |
| Find the City #1 | 0 | - | 4.97 | 42,287 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,310 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,283 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,876 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,838 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,996 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,822 |
| Countries by Capital City | 0 | - | 5.00 | 67,060 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,530 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,056 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,987 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,535 |
| Moved Capital Cities | 0 | - | 4.96 | 73,734 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 73,771 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,586 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,937 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,676 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,557 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,204 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,736 |
| Boroughs of New York City | 0 | - | 4.47 | 84,211 |
| Seattle City Trivia | 0 | - | 4.19 | 26,274 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,854 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,608 |
| Hawaiian Islands | 0 | - | 4.83 | 42,493 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,001 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,143 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 620,230 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,666 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,259 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 51,143 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,979 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,974 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,985 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,925 |
| North American Sports Cities | 0 | - | 4.83 | 171,108 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,975 |
| Cities in European History #1 | 0 | - | 4.63 | 133,344 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,230 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,598 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,821 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,037 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,129 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,885 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,309 |
| Name a Valid World City | 0 | - | 4.83 | 70,329 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 54,974 |
| Cities by Former Name | 0 | - | 4.84 | 91,107 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,795 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,337 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,038 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,214 |
| World Capitals by Map | 0 | - | 5.00 | 284,067 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,804 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,647 |
| Random Country to Capital | 0 | - | 4.98 | 913,183 |
| World Capitals Mystery Route | 0 | - | 4.98 | 54,846 |
| Capitals Starting With H | 0 | - | 4.90 | 91,520 |
| Capitals Starting With K | 0 | - | 4.85 | 75,825 |
| Capitals Starting With L | 0 | - | 4.81 | 86,990 |
| Capitals Starting With M | 0 | - | 4.93 | 106,333 |
| Capitals Starting With P | 0 | - | 4.88 | 77,323 |
| Capitals Starting With R | 0 | - | 4.87 | 81,091 |
| Capitals Starting With S | 0 | - | 4.89 | 84,952 |
| Capitals Starting With T | 0 | - | 4.84 | 75,418 |
| Capitals Starting With W | 0 | - | 4.89 | 90,738 |
| Capitals Starting With A | 0 | - | 4.97 | 126,738 |
| Capitals Starting With B | 0 | - | 4.89 | 117,451 |
| Capitals Starting With D | 0 | - | 4.93 | 95,543 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,610 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,068 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,953 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,814 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,385 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,878 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,415 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,351 |
| Which City in Latin America? | 0 | - | 4.63 | 46,893 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,929 |
| Cartoon Versions of U.S. States | 0 | - | 4.77 | 63,618 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 44,964 |
| U.S. States with Shortest Maximum Distances to the Ocean | 0 | - | 4.66 | 20,717 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,205 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,971 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,295 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,815 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,238 |
| California... or Florida? | 0 | - | 4.60 | 51,082 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,585 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,317 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,268 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,110 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,139 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,910 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,525 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,705 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,369 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,416 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,363 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,217 |
| South American Cities on the Map | 0 | - | 4.56 | 35,271 |
| North America Cities by Map | 0 | - | 4.41 | 47,658 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,349 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,472 |
| ALL California Cities | 0 | - | 4.37 | 42,880 |
