| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,591 |
| Vietnam War Countries | 0 | - | 4.83 | 93,580 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,530 |
| US States Quiz | 0 | - | 5.00 | 16,691,931 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,657 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,189 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,879 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,962 |
| US States with an Empty Map | 0 | - | 5.00 | 618,528 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,675 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,309 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,363 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,593 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,861 |
| U.S. States By Population | 0 | - | 4.92 | 152,319 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,347 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,830 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,504 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,740 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,850 |
| Draw All US State Borders | 0 | - | 4.99 | 133,425 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,585 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,645 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,871 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,525 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 47,769 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,588 |
| California... or Florida? | 0 | - | 4.61 | 50,941 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,000 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,202 |
| US States and State Capitals | 0 | - | 4.99 | 158,344 |
| Which City in California? | 0 | - | 4.56 | 31,874 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,588 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,617 |
| U.S. State Flags | 0 | - | 4.89 | 166,933 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,826 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,925 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,327 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,386 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,001 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,387 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,417 |
| U.S. Senators by State | 0 | - | 4.44 | 39,742 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,259 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,686 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,612 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,639 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,656 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,169 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,721 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,779 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,577 |
| Colonies of the Americas in 1775 with a Map | 0 | - | 4.88 | 19,194 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,652,116 |
| New York City A-Z | 0 | - | 4.18 | 32,186 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,481 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,403 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,808 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,732 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,663,790 |
| Pixelated United States Map | 0 | - | 4.89 | 93,433 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,379,619 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,873 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,837 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,059 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,451 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,051 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,643 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,802 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,341 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,268 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,846 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,028 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,496 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,293 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,867 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,903 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,055 |
| Which City in New York State? | 0 | - | 4.60 | 15,858 |
| Which City in Texas? | 0 | - | 4.45 | 24,969 |
| Which City in Florida? | 0 | - | 4.61 | 10,922 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,358 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,269 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,410 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,495 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,313 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,977 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,684 |
| Asia Map Quiz | 0 | - | 4.99 | 906,603 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,122 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,045 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,789 |
| Rivers of the United States | 0 | - | 4.93 | 65,477 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,046 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,911 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,468 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,880 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,297 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,829 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,615 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,654 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,215 |
| U.S. States by Borders | 0 | - | 4.63 | 35,058 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,423 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,076 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,223 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,114 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,830 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,611 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,590 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,528 |
| California A-Z | 0 | - | 4.49 | 28,702 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 42,026 |
| Name a City - European Countries | 0 | - | 4.92 | 64,334 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,906 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,481 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,916 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,156 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,879 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,455 |
| The Only European Country ... | 0 | - | 4.91 | 213,691 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,015 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,445 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,177 |
| Countries of Africa | 0 | - | 5.00 | 2,506,384 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,031 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,375 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,557 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,538 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,759 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,413 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,890 |
| Australia Map Quiz | 0 | - | 4.94 | 342,375 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,211 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,628 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,032 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,658 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,312 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 72,361 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,631 |
| Las Vegas Casinos | 0 | - | 4.12 | 37,968 |
| Hawaiian Islands | 0 | - | 4.83 | 42,419 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,563 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,366 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,076 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,388 |
| African East Coast | 0 | - | 4.96 | 94,998 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,270 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,020 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,408 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,575 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,648 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,428 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,170 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 50,704 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 38,142 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,274 |
| Random U.S. Sports Team to State | 0 | - | 4.36 | 26,062 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,442 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,673 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,258 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,464 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,637 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,134 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,920 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,352 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,153 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,680 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,930 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,878 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,455 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,310 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,744 |
| Europe Capital to Country | 0 | - | 4.99 | 247,434 |
| Asia Capital to Country | 0 | - | 4.96 | 125,693 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,389 |
| European Capitals by Map | 0 | - | 4.99 | 136,129 |
| African Capitals by Map | 0 | - | 4.99 | 132,106 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,061 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,063 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,135 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,572 |
| European Coastal Capitals | 0 | - | 4.95 | 89,707 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,166 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,620 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,675 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,405 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,147 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,462 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,362 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,499 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,215 |
| Countries of the Middle East | 0 | - | 4.96 | 198,824 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,210 |
| Slavic Countries | 0 | - | 4.96 | 110,815 |
| African Island Countries | 0 | - | 4.96 | 100,734 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,478 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,275 |
