| Which City in California? | 0 | - | 4.56 | 31,981 |
| Which City in Texas? | 0 | - | 4.45 | 25,044 |
| Which City in Florida? | 0 | - | 4.61 | 10,970 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,752 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,297 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,407 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,898 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,088 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,362 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,760 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,640 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,543 |
| Name a City - European Countries | 0 | - | 4.91 | 65,073 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,892 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,293 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,574 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,861 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,384 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,955 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,037 |
| Which City in Europe? | 0 | - | 4.83 | 107,100 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,276 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,700 |
| Random U.S. City to State | 0 | - | 4.45 | 75,931 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,175 |
| Europe Capital to Country | 0 | - | 4.99 | 249,315 |
| Asia Capital to Country | 0 | - | 4.96 | 126,347 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,418 |
| European Capitals by Map | 0 | - | 4.99 | 138,245 |
| African Capitals by Map | 0 | - | 4.99 | 133,080 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,981 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,919 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,770 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,132 |
| European Coastal Capitals | 0 | - | 4.95 | 90,274 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,426 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,776 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,261 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,675 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,355 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,399 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,007 |
| Which City in Canada? | 0 | - | 4.82 | 56,922 |
| New York City A-Z | 0 | - | 4.18 | 32,260 |
| Official Cities in the UK | 0 | - | 4.89 | 282,661 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,748 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,147 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,827 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,873 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,620 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,023 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,980 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,104 |
| US States and State Capitals | 0 | - | 4.99 | 160,820 |
| Random U.S. States on a Map | 0 | - | 4.96 | 624,529 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,546 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,833 |
| Random European City to Country | 0 | - | 4.69 | 117,368 |
| Random Asian City to Country | 0 | - | 4.56 | 44,454 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,643 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,223 |
| World Capitals Quiz | 0 | - | 5.00 | 5,057,734 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,837 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,994 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,469 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,031 |
| Capitals of the Stans | 0 | - | 4.95 | 26,680 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,210 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,441 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,211 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,374 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,287 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,829 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,000 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,580,718 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,094 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,934 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,407 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,027 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,466 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,515 |
| Random European Capital to Country | 0 | - | 4.98 | 190,458 |
| Random European Country to Capital | 0 | - | 4.93 | 163,793 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,022 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,144 |
| Random African Capital to Country | 0 | - | 4.97 | 100,349 |
| Random African Country to Capital | 0 | - | 4.94 | 70,938 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,620 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,894 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,958 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,905 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,691 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,683 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,522 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,167 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,649 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,707 |
| Find the City #1 | 0 | - | 4.97 | 42,594 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,544 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,797 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,167 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,192 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,812 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,405 |
| Countries by Capital City | 0 | - | 5.00 | 67,735 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,874 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,372 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,271 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,862 |
| Moved Capital Cities | 0 | - | 4.96 | 73,973 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,312 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,809 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,365 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,990 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,734 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,625 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,451 |
| European Cities by Clue | 0 | - | 4.70 | 88,981 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,992 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,137 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,678 |
| Which City in the United States? | 0 | - | 4.21 | 56,886 |
| Which City in Africa? | 0 | - | 4.77 | 57,736 |
| Which City in Asia? | 0 | - | 4.52 | 51,290 |
| Boroughs of New York City | 0 | - | 4.47 | 84,424 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,964 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,500 |
| Chicago A-Z | 0 | - | 4.25 | 15,489 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,229 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,785 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,553 |
| North American Sports Cities | 0 | - | 4.83 | 171,612 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,113 |
| Cities in European History #1 | 0 | - | 4.63 | 133,684 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,285 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,677 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,853 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,089 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,725 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,364 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,162 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,590 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,453 |
| Name a Valid World City | 0 | - | 4.83 | 70,806 |
| Cities by Former Name | 0 | - | 4.84 | 91,355 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,279 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,517 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,265 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,740 |
| World Capitals by Map | 0 | - | 5.00 | 285,245 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,076 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,362 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,702 |
| Random Country to Capital | 0 | - | 4.98 | 916,814 |
| Capitals Starting With H | 0 | - | 4.90 | 91,860 |
| Capitals Starting With K | 0 | - | 4.85 | 76,041 |
| Capitals Starting With L | 0 | - | 4.81 | 87,269 |
| Capitals Starting With M | 0 | - | 4.93 | 106,772 |
| Capitals Starting With P | 0 | - | 4.88 | 77,552 |
| Capitals Starting With R | 0 | - | 4.87 | 81,316 |
| Capitals Starting With S | 0 | - | 4.89 | 85,182 |
| Capitals Starting With T | 0 | - | 4.84 | 75,655 |
| Capitals Starting With W | 0 | - | 4.87 | 90,935 |
| Capitals Starting With A | 0 | - | 4.97 | 127,099 |
| Capitals Starting With B | 0 | - | 4.89 | 117,755 |
| Capitals Starting With D | 0 | - | 4.93 | 95,826 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,674 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,174 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,016 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,883 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,933 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,375 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,695 |
| Which City in Germany? | 0 | - | 4.50 | 135,994 |
| Which City in Italy? | 0 | - | 4.67 | 89,880 |
| Which City in France? | 0 | - | 4.64 | 72,912 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,030 |
| Which City in Spain? | 0 | - | 4.50 | 49,848 |
| Which City in Latin America? | 0 | - | 4.63 | 46,964 |
| Which City in Australia? | 0 | - | 4.67 | 34,362 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,006 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,531,430 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,080 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,667 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,781 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,163 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,258 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,781 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,507 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,106 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,580 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,614 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,763 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,469 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,436 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,462 |
| South American Cities on the Map | 0 | - | 4.56 | 35,349 |
| North America Cities by Map | 0 | - | 4.41 | 47,738 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,686 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,263 |
