| New York City A-Z | 0 | - | 4.18 | 32,193 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,950 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,080 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,372 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,748 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,665 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,622 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,210 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,888 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,197 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,974 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,466 |
| Name a City - European Countries | 0 | - | 4.92 | 64,386 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,541 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,884 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,905 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,060 |
| Which City in California? | 0 | - | 4.56 | 31,881 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,354 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,817 |
| Europe Capital to Country | 0 | - | 4.99 | 247,839 |
| Asia Capital to Country | 0 | - | 4.96 | 125,756 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,451 |
| European Capitals by Map | 0 | - | 4.99 | 136,265 |
| African Capitals by Map | 0 | - | 4.99 | 132,178 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,184 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,608 |
| European Coastal Capitals | 0 | - | 4.95 | 89,752 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,185 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,796 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,798 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,423 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,354 |
| Official Cities in the UK | 0 | - | 4.89 | 280,538 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,666 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,675 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,096 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,208 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,470 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,197 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,244 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,862 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,668 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,121 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,178 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,702 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,703 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,451 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,763 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,188 |
| Which City in Texas? | 0 | - | 4.45 | 24,971 |
| Which City in Florida? | 0 | - | 4.61 | 10,924 |
| California A-Z | 0 | - | 4.49 | 28,707 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,525 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,200 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,934 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,795 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,156 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,399 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,508 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,835 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,525 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,185 |
| US States and State Capitals | 0 | - | 4.99 | 158,515 |
| Capitals of the Stans | 0 | - | 4.95 | 26,408 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,719 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,702 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,596 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,184 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,805 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,388 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,993 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,447 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,152 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,062 |
| Random European Capital to Country | 0 | - | 4.98 | 189,206 |
| Random European Country to Capital | 0 | - | 4.92 | 147,447 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,398 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,410 |
| Random African Capital to Country | 0 | - | 4.97 | 99,738 |
| Random African Country to Capital | 0 | - | 4.94 | 70,229 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,583 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,033 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,766 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,703 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,885 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,608 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,425 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,398 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,430 |
| Random U.S. City to State | 0 | - | 4.45 | 75,319 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,014 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,375 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,800 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,269 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,631 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,818 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,655 |
| Which City in Europe? | 0 | - | 4.83 | 106,619 |
| Chicago A-Z | 0 | - | 4.25 | 15,456 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,076 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,546 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,758 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,460 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,603 |
| Find the City #1 | 0 | - | 4.97 | 42,102 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,946 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,652 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,603 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,620 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,439 |
| Countries by Capital City | 0 | - | 5.00 | 66,647 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,327 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,904 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,406 |
| Moved Capital Cities | 0 | - | 4.96 | 73,584 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,936 |
| Random Country to Capital | 0 | - | 4.98 | 911,576 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,518 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,910 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,656 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,526 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,525 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,057 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,805 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,331 |
| Which City in Canada? | 0 | - | 4.83 | 56,655 |
| Boroughs of New York City | 0 | - | 4.47 | 84,098 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,679 |
| Rome A-Z | 0 | - | 4.39 | 24,395 |
| Paris A-Z | 0 | - | 4.16 | 17,376 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,411 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,677 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,915 |
| Australia A-Z | 0 | - | 4.54 | 49,781 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,597 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,113 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,066 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,938 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,885 |
| North American Sports Cities | 0 | - | 4.83 | 170,898 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,916 |
| Cities in European History #1 | 0 | - | 4.63 | 133,122 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,310 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,195 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,565 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,149 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,806 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,015 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,197 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,126 |
| ALL California Cities | 0 | - | 4.36 | 42,813 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 44,018 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,682 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,731 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,184 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,335 |
| Name a Valid World City | 0 | - | 4.83 | 70,129 |
| Cities by Former Name | 0 | - | 4.84 | 90,968 |
| Former Capitals | 0 | - | 4.88 | 71,140 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,690 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,240 |
| Capital Cities Chain | 0 | - | 4.84 | 81,915 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,833 |
| Coldest World Capitals | 0 | - | 4.95 | 133,041 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,944 |
| World Capitals by Map | 0 | - | 5.00 | 283,198 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,665 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,795 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,992 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,902 |
| Capitals Starting With H | 0 | - | 4.90 | 90,945 |
| Capitals Starting With K | 0 | - | 4.85 | 75,689 |
| Capitals Starting With L | 0 | - | 4.81 | 86,837 |
| Capitals Starting With M | 0 | - | 4.93 | 106,059 |
| Capitals Starting With P | 0 | - | 4.88 | 77,191 |
| Capitals Starting With R | 0 | - | 4.87 | 80,975 |
| Capitals Starting With S | 0 | - | 4.89 | 84,805 |
| Capitals Starting With T | 0 | - | 4.84 | 75,292 |
| Capitals Starting With W | 0 | - | 4.89 | 90,609 |
| Capitals Starting With A | 0 | - | 4.97 | 126,552 |
| Capitals Starting With B | 0 | - | 4.89 | 117,294 |
| Capitals Starting With D | 0 | - | 4.93 | 95,378 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,924 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,789 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,334 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,847 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,339 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,573 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,450 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,918 |
| India A-Z | 0 | - | 4.42 | 33,921 |
| Italy A-Z | 0 | - | 4.49 | 57,722 |
| China A-Z | 0 | - | 4.55 | 66,731 |
| Germany A-Z | 0 | - | 4.56 | 62,318 |
| Scotland A-Z | 0 | - | 4.73 | 41,043 |
