| Which City in California? | 0 | - | 4.56 | 31,992 |
| Which City in Texas? | 0 | - | 4.45 | 25,053 |
| Which City in Florida? | 0 | - | 4.61 | 10,977 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,795 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,428 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,489 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,011 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,035 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,382 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,813 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,721 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,628 |
| Name a City - European Countries | 0 | - | 4.90 | 65,149 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,509 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,759 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,626 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,888 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,443 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,000 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,057 |
| Which City in Europe? | 0 | - | 4.83 | 107,134 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,359 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,771 |
| Random U.S. City to State | 0 | - | 4.45 | 76,031 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,196 |
| Europe Capital to Country | 0 | - | 4.99 | 249,470 |
| Asia Capital to Country | 0 | - | 4.96 | 126,419 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,519 |
| European Capitals by Map | 0 | - | 4.99 | 138,453 |
| African Capitals by Map | 0 | - | 4.99 | 133,245 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,270 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,027 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,839 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,202 |
| European Coastal Capitals | 0 | - | 4.95 | 90,344 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,482 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,011 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,480 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,718 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,567 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,071 |
| Which City in Canada? | 0 | - | 4.82 | 56,934 |
| New York City A-Z | 0 | - | 4.18 | 32,271 |
| Official Cities in the UK | 0 | - | 4.89 | 282,900 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,966 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,217 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,865 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,952 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,671 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,056 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,055 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,151 |
| US States and State Capitals | 0 | - | 4.99 | 161,134 |
| Random U.S. States on a Map | 0 | - | 4.96 | 624,896 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,553 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,895 |
| Random European City to Country | 0 | - | 4.69 | 117,427 |
| Random Asian City to Country | 0 | - | 4.56 | 44,456 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,889 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,312 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,157 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,872 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,030 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,486 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,082 |
| Capitals of the Stans | 0 | - | 4.95 | 26,716 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,288 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,705 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,237 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,397 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,362 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,851 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,018 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,031 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,178 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,951 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,432 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,058 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,524 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,536 |
| Random European Capital to Country | 0 | - | 4.98 | 190,581 |
| Random European Country to Capital | 0 | - | 4.93 | 164,382 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,165 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,554 |
| Random African Capital to Country | 0 | - | 4.97 | 100,460 |
| Random African Country to Capital | 0 | - | 4.94 | 71,065 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,708 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,290 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,021 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,918 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,709 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,795 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,532 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,200 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,661 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,717 |
| Find the City #1 | 0 | - | 4.97 | 42,652 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,596 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,894 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,209 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,237 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,897 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,535 |
| Countries by Capital City | 0 | - | 5.00 | 67,857 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,932 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,429 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,516 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,923 |
| Moved Capital Cities | 0 | - | 4.96 | 74,015 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,368 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,838 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,382 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,003 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,741 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,643 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,516 |
| European Cities by Clue | 0 | - | 4.70 | 88,995 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,005 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,146 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,683 |
| Which City in the United States? | 0 | - | 4.21 | 56,902 |
| Which City in Africa? | 0 | - | 4.77 | 57,749 |
| Which City in Asia? | 0 | - | 4.52 | 51,308 |
| Boroughs of New York City | 0 | - | 4.47 | 84,459 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,984 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,502 |
| Chicago A-Z | 0 | - | 4.25 | 15,494 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,370 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,811 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,672 |
| North American Sports Cities | 0 | - | 4.83 | 171,719 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,213 |
| Cities in European History #1 | 0 | - | 4.63 | 133,765 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,301 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,692 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,862 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,100 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,729 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,380 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,215 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,635 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,475 |
| Name a Valid World City | 0 | - | 4.83 | 70,898 |
| Cities by Former Name | 0 | - | 4.83 | 91,404 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,306 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,553 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,318 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,837 |
| World Capitals by Map | 0 | - | 5.00 | 285,472 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,129 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,361 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,762 |
| Random Country to Capital | 0 | - | 4.98 | 917,758 |
| Capitals Starting With H | 0 | - | 4.90 | 91,908 |
| Capitals Starting With K | 0 | - | 4.85 | 76,084 |
| Capitals Starting With L | 0 | - | 4.81 | 87,315 |
| Capitals Starting With M | 0 | - | 4.93 | 106,856 |
| Capitals Starting With P | 0 | - | 4.88 | 77,595 |
| Capitals Starting With R | 0 | - | 4.87 | 81,350 |
| Capitals Starting With S | 0 | - | 4.89 | 85,236 |
| Capitals Starting With T | 0 | - | 4.84 | 75,696 |
| Capitals Starting With W | 0 | - | 4.87 | 90,970 |
| Capitals Starting With A | 0 | - | 4.97 | 127,173 |
| Capitals Starting With B | 0 | - | 4.89 | 117,816 |
| Capitals Starting With D | 0 | - | 4.93 | 95,886 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,693 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,185 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,029 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,892 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,942 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,381 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,715 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,431 |
| Which City in Germany? | 0 | - | 4.50 | 136,055 |
| Which City in Italy? | 0 | - | 4.67 | 89,947 |
| Which City in France? | 0 | - | 4.64 | 72,943 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,056 |
| Which City in Spain? | 0 | - | 4.50 | 49,869 |
| Which City in Latin America? | 0 | - | 4.63 | 46,978 |
| Which City in Australia? | 0 | - | 4.67 | 34,367 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,847 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,532,906 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,270 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,793 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,010 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,344 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,441 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,966 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,587 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,274 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,636 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,633 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,775 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,500 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,440 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,467 |
| South American Cities on the Map | 0 | - | 4.56 | 35,368 |
| North America Cities by Map | 0 | - | 4.41 | 47,754 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,752 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,475 |
