| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,398 |
| North America Map Quiz | 0 | - | 4.98 | 244,799 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,680 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,982 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,858 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,951 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,401 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,489 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,278 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,409 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,244 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,111 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,534 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,815 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 48,936 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,380 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,187 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,224 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,367 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,009 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,436 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,930 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,302 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,120 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,541 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,596 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,672 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,145 |
| North American Physical Geography | 0 | - | 4.35 | 30,361 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,038 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,179 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,724 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,271 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,172 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,232 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,556 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,682 |
| US States Quiz | 0 | - | 5.00 | 16,716,485 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,415 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,605 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,664 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,352 |
| Pixelated United States Map | 0 | - | 4.89 | 93,562 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,567 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,932 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,378 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,829 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,450 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,497 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,771 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,028 |
| U.S. States By Population | 0 | - | 4.92 | 152,451 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,500 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,917 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,946 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,618 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,795 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,947 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,959 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,123 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,543 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,097 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,706 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,883 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,805 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,242 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,596 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,658,561 |
| US States with an Empty Map | 0 | - | 5.00 | 619,371 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,829 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,496 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,687 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,312 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,672 |
| Draw All US State Borders | 0 | - | 4.99 | 133,940 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,144 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,980 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,948 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,827 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,042 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,906 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,498 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,902 |
| Australian Capitals | 0 | - | 4.92 | 62,598 |
| Territories of the United States | 0 | - | 4.79 | 52,170 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,408 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,648 |
| Rivers of the United States | 0 | - | 4.93 | 65,581 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,784 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,385 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,499 |
| New York City Geography | 0 | - | 4.42 | 32,953 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,900 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,653 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,952 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,756 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,161 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,584 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,635 |
| Official European Union Languages | 0 | - | 4.97 | 237,056 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,772 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,499 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,710 |
| Asia Map Quiz | 0 | - | 4.99 | 907,731 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,889 |
| African East Coast | 0 | - | 4.96 | 95,131 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,009 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,890 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,203 |
| New World Crops | 0 | - | 4.33 | 23,511 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,292 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,485 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,086 |
| United States Country Quiz | 0 | - | 4.43 | 100,688 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,624 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,480 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,009 |
| Hawaiian Islands | 0 | - | 4.83 | 42,448 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,105 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,520,432 |
| U.S. State Flags | 0 | - | 4.89 | 167,536 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,675 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,716 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,655 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,713 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,306 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,254 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,487 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,184 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,569 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,714 |
| The Only European Country ... | 0 | - | 4.91 | 214,088 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,722 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,112 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,585 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,679 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,564 |
| Countries of Africa | 0 | - | 5.00 | 2,510,238 |
| Australia Map Quiz | 0 | - | 4.94 | 342,662 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,706 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,217 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,123 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,539 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,633 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,978 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,760 |
| 75 Americans Named John | 0 | - | 4.41 | 23,830 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,762 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,732 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,037 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,732 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,620 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,207 |
| New England States | 0 | - | 4.51 | 59,715 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,514 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,894 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,369 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,677 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,681 |
| U.S. States by Borders | 0 | - | 4.63 | 35,097 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,969 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,829 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,261 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,165 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,010 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,349 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,807 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,434 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,911 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,226 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,440 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,262 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,407 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,172 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,921 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,617 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,949 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,507 |
| Celtic Nations | 0 | - | 4.69 | 46,826 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,534 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,623 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,470 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,992 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,726 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,641 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,362 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,553 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,250 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,583 |
| African Island Countries | 0 | - | 4.96 | 100,858 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,826 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,772 |
| Australian States and Territories | 0 | - | 4.96 | 140,984 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,035 |
| Australia True or False | 0 | - | 4.87 | 56,536 |
| Flags of North and South America | 0 | - | 4.99 | 367,907 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,347 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,788 |
| Peru True or False? | 0 | - | 4.58 | 15,195 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,607 |
