| New York City A-Z | 0 | - | 4.18 | 32,219 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,204 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,232 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,663 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,999 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,784 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,680,034 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,927 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,443 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,276 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,215 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,480 |
| Name a City - European Countries | 0 | - | 4.92 | 64,645 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,676 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,935 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,939 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,088 |
| Which City in California? | 0 | - | 4.56 | 31,937 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,567 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,149 |
| Europe Capital to Country | 0 | - | 4.99 | 248,367 |
| Asia Capital to Country | 0 | - | 4.96 | 125,941 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,791 |
| European Capitals by Map | 0 | - | 4.99 | 137,016 |
| African Capitals by Map | 0 | - | 4.99 | 132,457 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,468 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,416 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,796 |
| European Coastal Capitals | 0 | - | 4.95 | 89,941 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,267 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,567 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,296 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,493 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,852 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,929 |
| Official Cities in the UK | 0 | - | 4.89 | 281,212 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,706 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,967 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,208 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,260 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,558 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,314 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,115 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,527 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,799 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,565 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,343 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,321 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,813 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,799 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,681 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,884 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,408 |
| Which City in Texas? | 0 | - | 4.45 | 24,999 |
| Which City in Florida? | 0 | - | 4.61 | 10,942 |
| California A-Z | 0 | - | 4.49 | 28,729 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,077 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,425 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,504 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,931 |
| World Capitals Quiz | 0 | - | 5.00 | 5,040,662 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,560 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,758 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,253 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,686 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,430 |
| US States and State Capitals | 0 | - | 4.99 | 159,275 |
| Capitals of the Stans | 0 | - | 4.95 | 26,509 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,066 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,487 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,917 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,659 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,220 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,872 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,401 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,097 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,664 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,196 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,190 |
| Random European Capital to Country | 0 | - | 4.98 | 189,494 |
| Random European Country to Capital | 0 | - | 4.92 | 147,663 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,512 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,597 |
| Random African Capital to Country | 0 | - | 4.97 | 99,848 |
| Random African Country to Capital | 0 | - | 4.94 | 70,346 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,612 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,068 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,027 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,715 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,668 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,616 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,646 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,080 |
| Random U.S. City to State | 0 | - | 4.45 | 75,485 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,057 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,996 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,849 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,811 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,368 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,726 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,035 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,700 |
| Which City in Europe? | 0 | - | 4.83 | 106,878 |
| Chicago A-Z | 0 | - | 4.25 | 15,467 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,607 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,593 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,087 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,480 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,633 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,289 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,880 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,843 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,006 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,830 |
| Countries by Capital City | 0 | - | 5.00 | 67,064 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,533 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,058 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,538 |
| Moved Capital Cities | 0 | - | 4.96 | 73,736 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,686 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 73,822 |
| Random Country to Capital | 0 | - | 4.98 | 913,188 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,612 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,938 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,677 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,558 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,541 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,087 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,818 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,737 |
| Which City in Canada? | 0 | - | 4.82 | 56,787 |
| Boroughs of New York City | 0 | - | 4.47 | 84,212 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,855 |
| Rome A-Z | 0 | - | 4.39 | 24,421 |
| Paris A-Z | 0 | - | 4.16 | 17,398 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,617 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,800 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,134 |
| Australia A-Z | 0 | - | 4.54 | 49,828 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,667 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,260 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,600 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,987 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,926 |
| North American Sports Cities | 0 | - | 4.83 | 171,112 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,977 |
| Cities in European History #1 | 0 | - | 4.63 | 133,347 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,369 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,230 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,600 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,217 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,822 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,037 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,354 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,478 |
| ALL California Cities | 0 | - | 4.37 | 42,883 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,136 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,869 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,886 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,312 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,430 |
| Name a Valid World City | 0 | - | 4.83 | 70,333 |
| Cities by Former Name | 0 | - | 4.84 | 91,112 |
| Former Capitals | 0 | - | 4.88 | 71,215 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,822 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,338 |
| Capital Cities Chain | 0 | - | 4.84 | 82,066 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,038 |
| Coldest World Capitals | 0 | - | 4.95 | 133,127 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,221 |
| World Capitals by Map | 0 | - | 5.00 | 284,073 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,805 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,959 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,150 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,376 |
| Capitals Starting With H | 0 | - | 4.90 | 91,526 |
| Capitals Starting With K | 0 | - | 4.85 | 75,829 |
| Capitals Starting With L | 0 | - | 4.81 | 86,997 |
| Capitals Starting With M | 0 | - | 4.93 | 106,342 |
| Capitals Starting With P | 0 | - | 4.88 | 77,328 |
| Capitals Starting With R | 0 | - | 4.87 | 81,100 |
| Capitals Starting With S | 0 | - | 4.89 | 84,957 |
| Capitals Starting With T | 0 | - | 4.84 | 75,423 |
| Capitals Starting With W | 0 | - | 4.89 | 90,742 |
| Capitals Starting With A | 0 | - | 4.97 | 126,745 |
| Capitals Starting With B | 0 | - | 4.89 | 117,458 |
| Capitals Starting With D | 0 | - | 4.93 | 95,548 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,954 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,814 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,386 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,878 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,351 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,621 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,816 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,130 |
| India A-Z | 0 | - | 4.42 | 33,971 |
| Italy A-Z | 0 | - | 4.49 | 57,850 |
| China A-Z | 0 | - | 4.55 | 66,839 |
| Germany A-Z | 0 | - | 4.56 | 62,381 |
| Scotland A-Z | 0 | - | 4.73 | 41,095 |
