| New York City A-Z | 0 | - | 4.18 | 32,386 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,048 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,454 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,058 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,077 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,581 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,161 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,108 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,070 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,828 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,082 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,544 |
| Name a City - European Countries | 0 | - | 4.89 | 66,219 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,724 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,343 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,156 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,289 |
| Which City in California? | 0 | - | 4.56 | 32,161 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,523 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,116 |
| Europe Capital to Country | 0 | - | 4.99 | 252,192 |
| Asia Capital to Country | 0 | - | 4.96 | 127,546 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,039 |
| European Capitals by Map | 0 | - | 4.99 | 142,194 |
| African Capitals by Map | 0 | - | 4.99 | 142,287 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,962 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,918 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,219 |
| European Coastal Capitals | 0 | - | 4.95 | 91,343 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,207 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,817 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,851 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,184 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,100 |
| Official Cities in the UK | 0 | - | 4.89 | 286,389 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,021 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,372 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,578 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,516 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,129 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,091 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,288 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,263 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,609 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,157 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,417 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,600 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,484 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,979 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,735 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,872 |
| Which City in Texas? | 0 | - | 4.45 | 25,162 |
| Which City in Florida? | 0 | - | 4.61 | 11,031 |
| California A-Z | 0 | - | 4.49 | 28,847 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,971 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,360 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,124 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,874 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,703 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,286 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,662 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,410 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,770 |
| US States and State Capitals | 0 | - | 4.99 | 165,471 |
| Capitals of the Stans | 0 | - | 4.95 | 27,160 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,609 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,707 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,853 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,226 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,620 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,322 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,507 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,176 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,460 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,495 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,099 |
| Random European Capital to Country | 0 | - | 4.98 | 192,178 |
| Random European Country to Capital | 0 | - | 4.93 | 165,950 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,000 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,465 |
| Random African Capital to Country | 0 | - | 4.97 | 101,373 |
| Random African Country to Capital | 0 | - | 4.95 | 71,772 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,877 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,431 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,363 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,850 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,284 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,339 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,863 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,678 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,221 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,922 |
| Random U.S. City to State | 0 | - | 4.45 | 76,936 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,452 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,005 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,172 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,036 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,279 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,389 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,432 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,972 |
| Which City in Europe? | 0 | - | 4.83 | 107,910 |
| Chicago A-Z | 0 | - | 4.25 | 15,552 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,448 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,946 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,353 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,645 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,888 |
| Find the City #1 | 0 | - | 4.97 | 43,364 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,397 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,997 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,240 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,268 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,194 |
| Countries by Capital City | 0 | - | 5.00 | 69,449 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,891 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,259 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,839 |
| Moved Capital Cities | 0 | - | 4.96 | 74,671 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,171 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,822 |
| Random Country to Capital | 0 | - | 4.98 | 928,629 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,619 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,171 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,887 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,802 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,678 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,322 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,945 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,308 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,801 |
| Which City in Canada? | 0 | - | 4.83 | 57,368 |
| Boroughs of New York City | 0 | - | 4.47 | 85,340 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,131 |
| Rome A-Z | 0 | - | 4.40 | 24,555 |
| Paris A-Z | 0 | - | 4.16 | 17,504 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,743 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,838 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,040 |
| Australia A-Z | 0 | - | 4.54 | 50,142 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,421 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,481 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,222 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,471 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,264 |
| North American Sports Cities | 0 | - | 4.82 | 173,184 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,565 |
| Cities in European History #1 | 0 | - | 4.63 | 134,639 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,792 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,461 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,896 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,745 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,956 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,221 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,952 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,546 |
| ALL California Cities | 0 | - | 4.37 | 43,253 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,519 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,707 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,970 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,511 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,604 |
| Name a Valid World City | 0 | - | 4.85 | 72,021 |
| Cities by Former Name | 0 | - | 4.83 | 92,082 |
| Former Capitals | 0 | - | 4.88 | 71,685 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,872 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,995 |
| Capital Cities Chain | 0 | - | 4.84 | 83,409 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,856 |
| Coldest World Capitals | 0 | - | 4.95 | 134,176 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,872 |
| World Capitals by Map | 0 | - | 5.00 | 289,500 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,843 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,173 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,602 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,112 |
| Capitals Starting With H | 0 | - | 4.91 | 93,359 |
| Capitals Starting With K | 0 | - | 4.89 | 84,431 |
| Capitals Starting With M | 0 | - | 4.94 | 109,228 |
| Capitals Starting With P | 0 | - | 4.88 | 79,035 |
| Capitals Starting With R | 0 | - | 4.88 | 82,532 |
| Capitals Starting With S | 0 | - | 4.90 | 86,603 |
| Capitals Starting With T | 0 | - | 4.86 | 76,866 |
| Capitals Starting With W | 0 | - | 4.87 | 91,752 |
| Capitals Starting With A | 0 | - | 4.97 | 129,149 |
| Capitals Starting With B | 0 | - | 4.89 | 119,547 |
| Capitals Starting With D | 0 | - | 4.94 | 97,240 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,247 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,103 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,728 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,082 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,444 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,900 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,740 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,178 |
| India A-Z | 0 | - | 4.42 | 34,308 |
| Italy A-Z | 0 | - | 4.49 | 58,769 |
| China A-Z | 0 | - | 4.55 | 67,651 |
| Germany A-Z | 0 | - | 4.56 | 62,870 |
| Scotland A-Z | 0 | - | 4.73 | 41,465 |
