| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,562 |
| Vietnam War Countries | 0 | - | 4.83 | 93,528 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,443 |
| US States Quiz | 0 | - | 5.00 | 16,677,202 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,614 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,039 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,864 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,490 |
| US States with an Empty Map | 0 | - | 5.00 | 618,056 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,564 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,197 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,256 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,469 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,738 |
| U.S. States By Population | 0 | - | 4.92 | 152,245 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,235 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,768 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,437 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,699 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,779 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,134 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,523 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,772 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,456 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,421 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,928 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,185 |
| Which City in California? | 0 | - | 4.56 | 31,865 |
| U.S. State Flags | 0 | - | 4.89 | 166,659 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,739 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,827 |
| U.S. States that Border Canada | 0 | - | 4.91 | 181,827 |
| U.S. Senators by State | 0 | - | 4.44 | 39,717 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,039 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,572 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,035 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,505 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,925 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,512 |
| Random U.S. States on a Map | 0 | - | 4.96 | 620,722 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,371 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,505 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,913 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,515,963 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 217,963 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,252 |
| New York City A-Z | 0 | - | 4.18 | 32,169 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,266 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,702 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,988 |
| Pixelated United States Map | 0 | - | 4.89 | 93,281 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,830 |
| California... or Florida? | 0 | - | 4.61 | 50,893 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,764 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,024 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,388 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,017 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,603 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,724 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,648,210 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,227 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,981 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,679 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,930 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,426 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,897 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,042 |
| Which City in Texas? | 0 | - | 4.45 | 24,955 |
| Which City in Florida? | 0 | - | 4.61 | 10,918 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,259 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,381 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,370 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,935 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,374 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,597 |
| Asia Map Quiz | 0 | - | 4.99 | 905,649 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,957 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,756 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,804 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,662,379 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,854 |
| New England States | 0 | - | 4.51 | 59,695 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,378,909 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,414 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,872 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,252 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,588 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,630 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,207 |
| U.S. States by Borders | 0 | - | 4.63 | 35,042 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,235 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 617,317 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,206 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,082 |
| California A-Z | 0 | - | 4.49 | 28,697 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,313 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,766 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,209 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,088 |
| Countries of Africa | 0 | - | 5.00 | 2,504,074 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,302 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,181 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,359 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,506 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,338 |
| Australia Map Quiz | 0 | - | 4.94 | 342,208 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,050 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,600 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,600 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,018 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,017 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,587 |
| Las Vegas Casinos | 0 | - | 4.12 | 37,953 |
| Hawaiian Islands | 0 | - | 4.83 | 42,395 |
| Rivers of the United States | 0 | - | 4.93 | 65,423 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,546 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,315 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,061 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,344 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,252 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,010 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,619 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,826 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,775 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,548 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,564 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,505 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,869 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,410 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,670 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,197 |
| Biggest European Cities by Century | 0 | - | 4.98 | 130,357 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,431 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,919 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,854 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,236 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,637 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,504 |
| Name a City - European Countries | 0 | - | 4.92 | 64,260 |
| Europe Capital to Country | 0 | - | 4.99 | 247,267 |
| Asia Capital to Country | 0 | - | 4.96 | 125,616 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,271 |
| European Capitals by Map | 0 | - | 4.99 | 135,906 |
| African Capitals by Map | 0 | - | 4.99 | 132,037 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,952 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,063 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,519 |
| European Coastal Capitals | 0 | - | 4.95 | 89,630 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,141 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,343 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,512 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,893 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,088 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,456 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,708 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,504 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,703 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,322 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,017 |
| Countries of the Middle East | 0 | - | 4.96 | 198,684 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,130 |
| The Only European Country ... | 0 | - | 4.91 | 213,459 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,811 |
| Slavic Countries | 0 | - | 4.96 | 110,766 |
| African Island Countries | 0 | - | 4.96 | 100,643 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,305 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,452 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,156 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,555 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,319 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,578 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,349 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,899 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,462 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,572 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,668 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,102 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,064 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,184 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,454 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,144 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,315 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,126 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,414 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 70,763 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,280 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,202 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,934 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,397 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,716 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,056 |
| North America Map Quiz | 0 | - | 4.98 | 243,962 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,280 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,779 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,174 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,256 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,646 |
