| US States and State Capitals | 0 | - | 4.99 | 159,164 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,420 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 69,991 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,698 |
| Which City in Canada? | 0 | - | 4.82 | 56,783 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,644 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,975 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,831 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,664 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,185 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,219 |
| Name a City - European Countries | 0 | - | 4.92 | 64,632 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,787 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,306 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,665 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,933 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,822 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,788 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,541 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,129 |
| Europe Capital to Country | 0 | - | 4.99 | 248,338 |
| Asia Capital to Country | 0 | - | 4.96 | 125,926 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,767 |
| European Capitals by Map | 0 | - | 4.99 | 136,954 |
| African Capitals by Map | 0 | - | 4.99 | 132,444 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,034 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,457 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,407 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,784 |
| European Coastal Capitals | 0 | - | 4.95 | 89,928 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,258 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,522 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,273 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,488 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,837 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,391 |
| U.S. State Flags | 0 | - | 4.89 | 167,901 |
| Official Cities in the UK | 0 | - | 4.89 | 281,162 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,478 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,798 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,554 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,325 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,309 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,806 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,672 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 54,389 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,880 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,936 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,085 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,632 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,724 |
| Click a Valid US State A-Z | 0 | - | 4.90 | 115,251 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,663 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,251 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,485 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,408 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,469 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,924 |
| World Capitals Quiz | 0 | - | 5.00 | 5,039,895 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,551 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,240 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,776 |
| Which City in the United States? | 0 | - | 4.21 | 56,793 |
| Capitals of the Stans | 0 | - | 4.95 | 26,502 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,627 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,035 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,254 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,059 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,884 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,656 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,865 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,878 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,642 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,845 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,270 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,183 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,364 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,718 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,021 |
| Random European Capital to Country | 0 | - | 4.98 | 189,471 |
| Random European Country to Capital | 0 | - | 4.92 | 147,650 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,500 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,580 |
| Random African Capital to Country | 0 | - | 4.97 | 99,841 |
| Random African Country to Capital | 0 | - | 4.94 | 70,332 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,991 |
| Which City in Europe? | 0 | - | 4.83 | 106,870 |
| Random U.S. Sports Team to State | 0 | - | 4.36 | 26,277 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,608 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,589 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,071 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,478 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,959 |
| Random U.S. City to State | 0 | - | 4.45 | 75,476 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,054 |
| Find the City #1 | 0 | - | 4.97 | 42,276 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,304 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,268 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,864 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,825 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,986 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,802 |
| Countries by Capital City | 0 | - | 5.00 | 67,037 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,523 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,051 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,956 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,529 |
| Moved Capital Cities | 0 | - | 4.96 | 73,724 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,579 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,937 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,675 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,555 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,197 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,733 |
| Boroughs of New York City | 0 | - | 4.47 | 84,207 |
| Seattle City Trivia | 0 | - | 4.19 | 26,267 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,851 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,591 |
| Hawaiian Islands | 0 | - | 4.83 | 42,491 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,969 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,140 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 620,074 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,660 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,251 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 51,135 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,975 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,971 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,983 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,921 |
| North American Sports Cities | 0 | - | 4.83 | 171,091 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,971 |
| Cities in European History #1 | 0 | - | 4.63 | 133,332 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,229 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,596 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,821 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,036 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,103 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,881 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,302 |
| Name a Valid World City | 0 | - | 4.83 | 70,318 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 54,968 |
| Cities by Former Name | 0 | - | 4.84 | 91,096 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,786 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,332 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,021 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,197 |
| World Capitals by Map | 0 | - | 5.00 | 284,029 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,799 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,464 |
| Random Country to Capital | 0 | - | 4.98 | 913,085 |
| World Capitals Mystery Route | 0 | - | 4.98 | 54,832 |
| Capitals Starting With H | 0 | - | 4.90 | 91,502 |
| Capitals Starting With K | 0 | - | 4.85 | 75,816 |
| Capitals Starting With L | 0 | - | 4.81 | 86,981 |
| Capitals Starting With M | 0 | - | 4.93 | 106,317 |
| Capitals Starting With P | 0 | - | 4.88 | 77,311 |
| Capitals Starting With R | 0 | - | 4.87 | 81,084 |
| Capitals Starting With S | 0 | - | 4.89 | 84,941 |
| Capitals Starting With T | 0 | - | 4.84 | 75,410 |
| Capitals Starting With W | 0 | - | 4.89 | 90,730 |
| Capitals Starting With A | 0 | - | 4.97 | 126,724 |
| Capitals Starting With B | 0 | - | 4.89 | 117,441 |
| Capitals Starting With D | 0 | - | 4.93 | 95,533 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,608 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,065 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,951 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,812 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,384 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,878 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,412 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,350 |
| Which City in Latin America? | 0 | - | 4.63 | 46,892 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,926 |
| Cartoon Versions of U.S. States | 0 | - | 4.77 | 63,612 |
| Satellite Images - U.S. States | 0 | - | 4.53 | 44,960 |
| U.S. States with Shortest Maximum Distances to the Ocean | 0 | - | 4.66 | 20,708 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,196 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,965 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,292 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,809 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,236 |
| California... or Florida? | 0 | - | 4.60 | 51,065 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,549 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,300 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,252 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,092 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,119 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,904 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,523 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,700 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,359 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,416 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,360 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,211 |
| South American Cities on the Map | 0 | - | 4.57 | 35,270 |
| North America Cities by Map | 0 | - | 4.41 | 47,654 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,341 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,442 |
| ALL California Cities | 0 | - | 4.37 | 42,875 |
| Random European City to Country | 0 | - | 4.69 | 116,783 |
