| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,877 |
| Vietnam War Countries | 0 | - | 4.82 | 94,098 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,407 |
| US States Quiz | 0 | - | 5.00 | 16,835,230 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,147 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,624 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,045 |
| United States Map Quiz | 0 | - | 4.98 | 4,154,283 |
| US States with an Empty Map | 0 | - | 5.00 | 623,371 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,651 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,184 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,220 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,720 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,986 |
| U.S. States By Population | 0 | - | 4.92 | 153,019 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,206 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,326 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,147 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,112 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,477 |
| Draw All US State Borders | 0 | - | 4.99 | 136,674 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.90 | 66,261 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,570 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,749 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,925 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 70,593 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,243 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 47,985 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,454 |
| California... or Florida? | 0 | - | 4.60 | 51,281 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,811 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,392 |
| US States and State Capitals | 0 | - | 4.99 | 161,335 |
| Which City in California? | 0 | - | 4.56 | 32,000 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,314 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,825 |
| U.S. State Flags | 0 | - | 4.89 | 169,777 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,345 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,367 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,390 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,257 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,766 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,369 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,866 |
| U.S. Senators by State | 0 | - | 4.45 | 39,910 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,514 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,559 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,341 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,279 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,581 |
| Random U.S. States on a Map | 0 | - | 4.96 | 625,217 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,802 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,122 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,534,172 |
| Colonies of the Americas in 1775 with a Map | 0 | - | 4.88 | 19,506 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,649 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,688,997 |
| New York City A-Z | 0 | - | 4.18 | 32,278 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,395 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,364 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,535 |
| Europe Map Quiz | 0 | - | 5.00 | 4,756,186 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,677,084 |
| Pixelated United States Map | 0 | - | 4.87 | 94,095 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,389,248 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,394 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,791 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,556 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,052 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,430 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,124 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,390 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,352 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,873 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,780 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,681 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,031 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,739 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,078 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,016 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,150 |
| Which City in New York State? | 0 | - | 4.60 | 15,953 |
| Which City in Texas? | 0 | - | 4.45 | 25,057 |
| Which City in Florida? | 0 | - | 4.61 | 10,978 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,164 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,119 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,977 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,567 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,778 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,719 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,980 |
| Asia Map Quiz | 0 | - | 4.99 | 914,709 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,173 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,604 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,110 |
| Rivers of the United States | 0 | - | 4.93 | 66,078 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,587 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 78,280 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,341 |
| New England States | 0 | - | 4.51 | 59,785 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,748 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,984 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,706 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,899 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,921 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,877 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,293 |
| U.S. States by Borders | 0 | - | 4.61 | 35,260 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,137 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 625,501 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,432 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,958 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,489 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,419 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,830 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,836 |
| California A-Z | 0 | - | 4.49 | 28,774 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,389 |
| Name a City - European Countries | 0 | - | 4.90 | 65,209 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,989 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,148 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,036 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,851 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,583 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,633 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,865 |
| The Only European Country ... | 0 | - | 4.91 | 216,041 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,799 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,797 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,587 |
| Countries of Africa | 0 | - | 5.00 | 2,530,676 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,124 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,997 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,384 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,627 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,485 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,677 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,650 |
| Australia Map Quiz | 0 | - | 4.95 | 343,869 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,010 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,887 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,194 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,770 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,437 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 73,371 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,021 |
| Las Vegas Casinos | 0 | - | 4.12 | 38,034 |
| Hawaiian Islands | 0 | - | 4.83 | 42,655 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,749 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,719 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,273 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,712 |
| African East Coast | 0 | - | 4.96 | 95,844 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,437 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,151 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,479 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,995 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,853 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,671 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,441 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,947 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,996 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,752 |
| Random U.S. Sports Team to State | 0 | - | 4.33 | 26,884 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,908 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,960 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,475 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,602 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,355 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,591 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,201 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,792 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,258 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,437 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,142 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,033 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,429 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,837 |
| Europe Capital to Country | 0 | - | 4.99 | 249,606 |
| Asia Capital to Country | 0 | - | 4.96 | 126,487 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,608 |
| European Capitals by Map | 0 | - | 4.99 | 138,625 |
| African Capitals by Map | 0 | - | 4.99 | 133,395 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,496 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,092 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,896 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,250 |
| European Coastal Capitals | 0 | - | 4.95 | 90,397 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,507 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,209 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,586 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,749 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,841 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,506 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,508 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,277 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,210 |
| Countries of the Middle East | 0 | - | 4.96 | 200,781 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,030 |
