| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,333 |
| Rivers of the United States | 0 | - | 4.93 | 66,546 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,174 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,541 |
| African Great Lakes | 0 | - | 4.82 | 66,803 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,290 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,635 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,556 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,615 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,024 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,797 |
| Vietnam War Countries | 0 | - | 4.82 | 94,509 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,903 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,814 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,815 |
| US States Quiz | 0 | - | 5.00 | 16,964,287 |
| Hawaiian Islands | 0 | - | 4.83 | 42,876 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,777 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,285 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,647 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,347 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,176 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,845 |
| Las Vegas Casinos | 0 | - | 4.13 | 38,122 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,342 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,619 |
| African Physical Geography | 0 | - | 4.51 | 31,788 |
| Asian Physical Geography | 0 | - | 4.61 | 35,597 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,168 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,299 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,261 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,130 |
| Pixelated United States Map | 0 | - | 4.88 | 94,663 |
| US States with an Empty Map | 0 | - | 5.00 | 627,563 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,823 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,043 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,057 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,705 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,064 |
| U.S. States By Population | 0 | - | 4.92 | 153,976 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,012 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,769 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,957 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,451 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,967 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 160,517 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,089 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,575 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,762 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,565 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,418 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,435 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,770 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,240 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,976 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,113 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,264 |
| South China Sea Countries | 0 | - | 4.78 | 57,811 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,992 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,924 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,473 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,349 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,237 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,160 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,008 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,199 |
| Asia Map Quiz | 0 | - | 4.99 | 923,191 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,298 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,961 |
| European Physical Geography | 0 | - | 4.26 | 33,572 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,250 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,933 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,180 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,809 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,127 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,214 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,916 |
| U.S. Senators by State | 0 | - | 4.44 | 40,067 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,700 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,318 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,096 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,669 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,145 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,310 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,450 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,628 |
| Boroughs of New York City | 0 | - | 4.47 | 84,870 |
| New York City A-Z | 0 | - | 4.18 | 32,362 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,318 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,141 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,433 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,637 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,764 |
| The Only European Country ... | 0 | - | 4.91 | 218,410 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 87,449 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,484 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,182 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,846 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,027 |
| Countries of Africa | 0 | - | 5.00 | 2,553,313 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,621 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,561 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,993 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,301 |
| South America Flags Map Quiz | 0 | - | 4.95 | 88,694 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,292 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,697 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,427 |
| Australia Map Quiz | 0 | - | 4.95 | 345,792 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,760 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,120 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,974 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,330 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,360 |
| U.S. State Flags | 0 | - | 4.89 | 172,225 |
| Illinois Counties | 0 | - | 4.56 | 30,557 |
| South American Physical Geography | 0 | - | 4.58 | 18,387 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,406 |
| Seas of Europe | 0 | - | 4.37 | 84,845 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,238 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,464 |
| African East Coast | 0 | - | 4.96 | 96,573 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,518 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,066 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,309 |
| State Quiz - Florida | 0 | - | 4.47 | 62,526 |
| State Quiz - Texas | 0 | - | 4.43 | 63,102 |
| State Quiz - New York | 0 | - | 4.52 | 46,328 |
| State Quiz - California | 0 | - | 4.69 | 64,690 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,855 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,048 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,406 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,425 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,667 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,273 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,828 |
| ALL California Cities | 0 | - | 4.37 | 43,192 |
| Europe Capital to Country | 0 | - | 4.99 | 251,655 |
| Asia Capital to Country | 0 | - | 4.96 | 127,230 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,699 |
| European Capitals by Map | 0 | - | 4.99 | 141,520 |
| African Capitals by Map | 0 | - | 4.99 | 141,590 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,044 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,653 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,674 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,014 |
| European Coastal Capitals | 0 | - | 4.95 | 91,125 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,090 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,913 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,374 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,073 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,448 |
| Chicago A-Z | 0 | - | 4.25 | 15,545 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,876 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,959 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,268 |
| Countries of the Middle East | 0 | - | 4.96 | 202,293 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,955 |
| Slavic Countries | 0 | - | 4.96 | 112,196 |
| African Island Countries | 0 | - | 4.96 | 102,265 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 47,979 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,681 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,086 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,095 |
| Landforms by Country | 0 | - | 4.52 | 52,007 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,070 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,592 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,126 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,344 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,089 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,301 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,370 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,868 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,653 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,851 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,320 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,092 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,729 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,004 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,978 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,539 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,239 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,232 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,210 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,413 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,624 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,647 |
| North America Map Quiz | 0 | - | 4.98 | 250,819 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,402 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,634 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,963 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,258 |
| Merged U.S. States | 0 | - | 4.37 | 44,360 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,897 |
| Flags of North and South America | 0 | - | 4.99 | 375,942 |
| Australian States and Territories | 0 | - | 4.96 | 142,639 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,230 |
| Territories of the United States | 0 | - | 4.80 | 52,559 |
