| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,435 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,443 |
| Which City in California? | 0 | - | 4.56 | 32,161 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,865 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,028 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,008 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,635 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,572 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,976 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,824 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,748 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,027 |
| Name a City - European Countries | 0 | - | 4.89 | 66,192 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,991 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,954 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,269 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,380 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,417 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,714 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,333 |
| Which City in Europe? | 0 | - | 4.83 | 107,899 |
| Which City in Texas? | 0 | - | 4.45 | 25,161 |
| Which City in Florida? | 0 | - | 4.61 | 11,031 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,499 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,096 |
| Random U.S. City to State | 0 | - | 4.45 | 76,923 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,451 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,122 |
| Europe Capital to Country | 0 | - | 4.99 | 252,130 |
| Asia Capital to Country | 0 | - | 4.96 | 127,422 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,002 |
| European Capitals by Map | 0 | - | 4.99 | 142,132 |
| African Capitals by Map | 0 | - | 4.99 | 142,232 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,029 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,922 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,890 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,206 |
| European Coastal Capitals | 0 | - | 4.95 | 91,327 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,194 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,777 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,819 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,172 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,072 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,787 |
| Which City in Canada? | 0 | - | 4.83 | 57,363 |
| Official Cities in the UK | 0 | - | 4.89 | 286,312 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,887 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,265 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,250 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,596 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,134 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,406 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,592 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,965 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,722 |
| US States and State Capitals | 0 | - | 4.99 | 165,413 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,153 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,288 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,422 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,480 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,629 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,704 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,946 |
| Random European City to Country | 0 | - | 4.69 | 118,474 |
| Random Asian City to Country | 0 | - | 4.56 | 44,620 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,260 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,103 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,868 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,686 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,875 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,422 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,724 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,899 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,652 |
| Capitals of the Stans | 0 | - | 4.95 | 27,149 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,657 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,171 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,609 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,742 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,842 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,218 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,617 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,318 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,808 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,438 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,168 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,491 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,554 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,083 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,999 |
| Random European Capital to Country | 0 | - | 4.98 | 192,162 |
| Random European Country to Capital | 0 | - | 4.93 | 165,913 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,993 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,445 |
| Random African Capital to Country | 0 | - | 4.97 | 101,368 |
| Random African Country to Capital | 0 | - | 4.95 | 71,761 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,332 |
| New York City A-Z | 0 | - | 4.18 | 32,385 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,093 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,595 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,223 |
| British Places A-Z | 0 | - | 4.29 | 80,105 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,038 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,943 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,324 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,642 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,015 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,576 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,372 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,981 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,219 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,245 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,164 |
| Countries by Capital City | 0 | - | 5.00 | 69,418 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,866 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,242 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,926 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,821 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,034 |
| Moved Capital Cities | 0 | - | 4.96 | 74,658 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,813 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,603 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,671 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,167 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,878 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,797 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,675 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,792 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,322 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,942 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,306 |
| European Cities by Clue | 0 | - | 4.70 | 89,177 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,373 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,777 |
| Which City in the United States? | 0 | - | 4.21 | 57,179 |
| Which City in Africa? | 0 | - | 4.77 | 58,003 |
| Which City in Asia? | 0 | - | 4.52 | 51,575 |
| Boroughs of New York City | 0 | - | 4.47 | 85,337 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,128 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,850 |
| Chicago A-Z | 0 | - | 4.25 | 15,552 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,692 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,640 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,578 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,907 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,826 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,024 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,279 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,573 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,416 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,455 |
| North American Sports Cities | 0 | - | 4.82 | 173,175 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,561 |
| Cities in European History #1 | 0 | - | 4.63 | 134,624 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,455 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,889 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,955 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,218 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,933 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,519 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,958 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,496 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,775 |
| Name a Valid World City | 0 | - | 4.85 | 72,006 |
| Cities by Former Name | 0 | - | 4.83 | 92,062 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,695 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,988 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,838 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,855 |
| World Capitals by Map | 0 | - | 5.00 | 289,428 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,835 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,757 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,849 |
| Random Country to Capital | 0 | - | 4.98 | 928,339 |
| Capitals Starting With H | 0 | - | 4.91 | 93,348 |
| Capitals Starting With K | 0 | - | 4.89 | 84,413 |
| Capitals Starting With M | 0 | - | 4.94 | 109,207 |
| Capitals Starting With P | 0 | - | 4.88 | 79,022 |
| Capitals Starting With R | 0 | - | 4.88 | 82,523 |
| Capitals Starting With S | 0 | - | 4.90 | 86,588 |
| Capitals Starting With T | 0 | - | 4.86 | 76,852 |
| Capitals Starting With W | 0 | - | 4.87 | 91,742 |
| Capitals Starting With A | 0 | - | 4.97 | 129,129 |
| Capitals Starting With B | 0 | - | 4.89 | 119,525 |
| Capitals Starting With D | 0 | - | 4.94 | 97,221 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,243 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,100 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,081 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,443 |
| Which City in Germany? | 0 | - | 4.50 | 137,374 |
| Which City in Italy? | 0 | - | 4.68 | 90,562 |
| Which City in France? | 0 | - | 4.67 | 73,385 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,303 |
| Which City in Spain? | 0 | - | 4.50 | 50,113 |
| Which City in Latin America? | 0 | - | 4.63 | 47,155 |
| Which City in Australia? | 0 | - | 4.67 | 34,570 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,543 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,777 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,012 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,168 |
