| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,867 |
| Vietnam War Countries | 0 | - | 4.83 | 94,076 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,379 |
| US States Quiz | 0 | - | 5.00 | 16,830,927 |
| Confederate States of the U.S. Civil War | 0 | - | 4.90 | 129,128 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,586 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,038 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,911 |
| US States with an Empty Map | 0 | - | 5.00 | 623,238 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,638 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,159 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,200 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,687 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,959 |
| U.S. States By Population | 0 | - | 4.92 | 153,002 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,185 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,313 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,122 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,100 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,458 |
| Draw All US State Borders | 0 | - | 4.99 | 136,582 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,442 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,723 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,893 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,227 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,420 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,797 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,387 |
| Which City in California? | 0 | - | 4.56 | 31,999 |
| U.S. State Flags | 0 | - | 4.89 | 169,719 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,320 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,358 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,342 |
| U.S. Senators by State | 0 | - | 4.45 | 39,907 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,489 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,535 |
| US States and State Capitals | 0 | - | 4.99 | 161,260 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,317 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,200 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,293 |
| Random U.S. States on a Map | 0 | - | 4.96 | 625,023 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,788 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,054 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,745 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,533,664 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,320 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,834 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,630 |
| New York City A-Z | 0 | - | 4.18 | 32,275 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,340 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,509 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,393 |
| Pixelated United States Map | 0 | - | 4.87 | 94,067 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,376 |
| California... or Florida? | 0 | - | 4.60 | 51,277 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,771 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,509 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,043 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,425 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,110 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,371 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,688,021 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,320 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,790 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,758 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,662 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,016 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,012 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,149 |
| Which City in New York State? | 0 | - | 4.60 | 15,953 |
| Which City in Texas? | 0 | - | 4.45 | 25,056 |
| Which City in Florida? | 0 | - | 4.61 | 10,978 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,133 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,369 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,536 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,503 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,567 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,601 |
| Asia Map Quiz | 0 | - | 4.99 | 914,441 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,596 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,103 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,490 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,676,638 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,335 |
| New England States | 0 | - | 4.51 | 59,782 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,389,044 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,747 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,982 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,687 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,914 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,873 |
| Least Irish U.S. States | 0 | - | 4.49 | 18,290 |
| U.S. States by Borders | 0 | - | 4.61 | 35,256 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 185,061 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 625,287 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,425 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,940 |
| California A-Z | 0 | - | 4.49 | 28,773 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,814 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,956 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,617 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,819 |
| Countries of Africa | 0 | - | 5.00 | 2,530,025 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,980 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,099 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,971 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,833 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,590 |
| Australia Map Quiz | 0 | - | 4.95 | 343,831 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,938 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,879 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,817 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,190 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 234,145 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,009 |
| Las Vegas Casinos | 0 | - | 4.12 | 38,034 |
| Hawaiian Islands | 0 | - | 4.83 | 42,651 |
| Rivers of the United States | 0 | - | 4.93 | 66,072 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,746 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,710 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,271 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,700 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,434 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,145 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,846 |
| Events by U.S. State #1 | 0 | - | 4.43 | 22,898 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,477 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,393 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,824 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,833 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,906 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,417 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,128 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,775 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,234 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,408 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,131 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,030 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,399 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,813 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| Name a City - European Countries | 0 | - | 4.90 | 65,187 |
| Europe Capital to Country | 0 | - | 4.99 | 249,549 |
| Asia Capital to Country | 0 | - | 4.96 | 126,469 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,570 |
| European Capitals by Map | 0 | - | 4.99 | 138,546 |
| African Capitals by Map | 0 | - | 4.99 | 133,356 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,068 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,869 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,226 |
| European Coastal Capitals | 0 | - | 4.95 | 90,372 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,498 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,141 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,541 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,740 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,034 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,830 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,505 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,533 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,190 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,598 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,827 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,164 |
| Countries of the Middle East | 0 | - | 4.96 | 200,731 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,999 |
| The Only European Country ... | 0 | - | 4.91 | 215,981 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,732 |
| Slavic Countries | 0 | - | 4.96 | 111,487 |
| African Island Countries | 0 | - | 4.96 | 101,421 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,766 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,578 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,788 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,795 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,560 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,534 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,651 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,273 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,157 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,637 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,421 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,525 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,509 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,083 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,967 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,384 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,994 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,970 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,806 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,071 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,100 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,150 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,290 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,282 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,982 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,451 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,723 |
| North America Map Quiz | 0 | - | 4.98 | 247,661 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,632 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,606 |
