| New York City A-Z | 0 | - | 4.18 | 32,371 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,377 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,840 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,639 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,523 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,951 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,235 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,291 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,795 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,540 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,917 |
| Name a City - European Countries | 0 | - | 4.90 | 66,102 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,594 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,289 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,134 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,279 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,397 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,976 |
| Europe Capital to Country | 0 | - | 4.99 | 251,929 |
| Asia Capital to Country | 0 | - | 4.96 | 127,328 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,880 |
| European Capitals by Map | 0 | - | 4.99 | 141,935 |
| African Capitals by Map | 0 | - | 4.99 | 142,001 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,851 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,797 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,113 |
| European Coastal Capitals | 0 | - | 4.95 | 91,245 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,152 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,399 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,635 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,134 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,815 |
| Official Cities in the UK | 0 | - | 4.89 | 286,009 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,559 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,083 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,658 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,960 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,176 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,535 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,039 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,355 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,547 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,891 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,671 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,792 |
| Which City in California? | 0 | - | 4.56 | 32,144 |
| California A-Z | 0 | - | 4.49 | 28,839 |
| British Places A-Z | 0 | - | 4.29 | 80,086 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,859 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,947 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,994 |
| World Capitals Quiz | 0 | - | 5.00 | 5,102,890 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,617 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,515 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,648 |
| US States and State Capitals | 0 | - | 4.99 | 165,148 |
| Capitals of the Stans | 0 | - | 4.95 | 27,104 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,578 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,683 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,748 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,174 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,599 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,291 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,376 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,343 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,474 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,021 |
| Random European Capital to Country | 0 | - | 4.98 | 192,055 |
| Random European Country to Capital | 0 | - | 4.93 | 165,828 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,952 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,374 |
| Random African Capital to Country | 0 | - | 4.97 | 101,283 |
| Random African Country to Capital | 0 | - | 4.95 | 71,713 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,863 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,407 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,195 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,848 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,257 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,290 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,748 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,543 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,896 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,911 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,983 |
| Random U.S. City to State | 0 | - | 4.45 | 76,832 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,427 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,705 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,635 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,137 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,023 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,206 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,338 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,342 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,956 |
| Which City in Europe? | 0 | - | 4.83 | 107,846 |
| Which City in Texas? | 0 | - | 4.45 | 25,153 |
| Which City in Florida? | 0 | - | 4.61 | 11,029 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,375 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,926 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,206 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,624 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,865 |
| Find the City #1 | 0 | - | 4.97 | 43,302 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,274 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,930 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,150 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,154 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,049 |
| Countries by Capital City | 0 | - | 5.00 | 69,284 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,805 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,176 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,758 |
| Moved Capital Cities | 0 | - | 4.96 | 74,611 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,559 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,781 |
| Random Country to Capital | 0 | - | 4.98 | 927,287 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,579 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,125 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,855 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,779 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,670 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,304 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,933 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,299 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,731 |
| Which City in Canada? | 0 | - | 4.83 | 57,338 |
| Boroughs of New York City | 0 | - | 4.47 | 85,226 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,118 |
| Rome A-Z | 0 | - | 4.40 | 24,543 |
| Paris A-Z | 0 | - | 4.16 | 17,495 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,627 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,563 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,497 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,837 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,734 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,623 |
| Australia A-Z | 0 | - | 4.54 | 50,126 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,136 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,394 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,773 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,430 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,234 |
| North American Sports Cities | 0 | - | 4.83 | 173,079 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,544 |
| Cities in European History #1 | 0 | - | 4.63 | 134,556 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,764 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,440 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,867 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,714 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,946 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,211 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,852 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,355 |
| ALL California Cities | 0 | - | 4.37 | 43,224 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,509 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,624 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,904 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,446 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,527 |
| Name a Valid World City | 0 | - | 4.85 | 71,920 |
| Cities by Former Name | 0 | - | 4.83 | 92,010 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,490 |
| Former Capitals | 0 | - | 4.88 | 71,654 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,664 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,955 |
| Capital Cities Chain | 0 | - | 4.84 | 83,312 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,773 |
| Coldest World Capitals | 0 | - | 4.95 | 134,129 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,770 |
| World Capitals by Map | 0 | - | 5.00 | 289,164 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,786 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,084 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,252 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,505 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,878 |
| Capitals Starting With H | 0 | - | 4.91 | 93,293 |
| Capitals Starting With K | 0 | - | 4.89 | 84,363 |
| Capitals Starting With M | 0 | - | 4.94 | 109,112 |
| Capitals Starting With P | 0 | - | 4.88 | 78,962 |
| Capitals Starting With R | 0 | - | 4.88 | 82,473 |
| Capitals Starting With S | 0 | - | 4.90 | 86,536 |
| Capitals Starting With T | 0 | - | 4.85 | 76,800 |
| Capitals Starting With W | 0 | - | 4.87 | 91,714 |
| Capitals Starting With A | 0 | - | 4.97 | 129,045 |
| Capitals Starting With B | 0 | - | 4.89 | 119,441 |
| Capitals Starting With D | 0 | - | 4.94 | 97,157 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,209 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,086 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,695 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,063 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,435 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,883 |
| Italy A-Z | 0 | - | 4.49 | 58,713 |
| China A-Z | 0 | - | 4.55 | 67,591 |
| Germany A-Z | 0 | - | 4.56 | 62,841 |
| Scotland A-Z | 0 | - | 4.73 | 41,445 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,337 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,498 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,122 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,720 |
