| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,356 |
| North America Map Quiz | 0 | - | 4.98 | 244,148 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,567 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,462 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,802 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,847 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,377 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,403 |
| Native American Tribes in the US | 0 | - | 4.70 | 25,253 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,403 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,374 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,074 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,512 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,775 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,868 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,348 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,126 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,114 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,338 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,893 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,235 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,804 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,282 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,999 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,458 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,572 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,651 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,111 |
| North American Physical Geography | 0 | - | 4.35 | 30,351 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,004 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,485 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,585 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,079 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,288 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,214 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,497 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,567 |
| US States Quiz | 0 | - | 5.00 | 16,687,206 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,147 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,145 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,400 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,691 |
| Pixelated United States Map | 0 | - | 4.89 | 93,405 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,356 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,779 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,168 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,630 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,282 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,325 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,556 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,820 |
| U.S. States By Population | 0 | - | 4.92 | 152,292 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,311 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,807 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,855 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,480 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,730 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,818 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,810 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,047 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,427 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,041 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,629 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,778 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,190 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,007 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,573 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,650,605 |
| US States with an Empty Map | 0 | - | 5.00 | 618,385 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,781 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,327 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,448 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,427 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,491 |
| Draw All US State Borders | 0 | - | 4.99 | 133,311 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,015 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,893 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,854 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,611 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,836 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,790 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,347 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,791 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Territories of the United States | 0 | - | 4.79 | 52,113 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,360 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,470 |
| Rivers of the United States | 0 | - | 4.93 | 65,450 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,706 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,239 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,391 |
| New York City Geography | 0 | - | 4.42 | 32,895 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,522 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,501 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,807 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,585 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,971 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,520 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,546 |
| Official European Union Languages | 0 | - | 4.97 | 236,417 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,634 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,973 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,613 |
| Asia Map Quiz | 0 | - | 4.99 | 906,329 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,757 |
| African East Coast | 0 | - | 4.96 | 94,971 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,847 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,745 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,191 |
| New World Crops | 0 | - | 4.33 | 23,499 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,245 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,464 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,072 |
| United States Country Quiz | 0 | - | 4.43 | 100,515 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,586 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,350 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 423,428 |
| Hawaiian Islands | 0 | - | 4.83 | 42,414 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,070 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,952 |
| U.S. State Flags | 0 | - | 4.89 | 166,845 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,255 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,157 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,346 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,611 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,954 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,411 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,826 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,501 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,417 |
| The Only European Country ... | 0 | - | 4.91 | 213,617 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,400 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,971 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,544 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,620 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,377 |
| Countries of Africa | 0 | - | 5.00 | 2,505,770 |
| Australia Map Quiz | 0 | - | 4.94 | 342,336 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,515 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,062 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,077 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 742,904 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,628 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,743 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,678 |
| 75 Americans Named John | 0 | - | 4.41 | 23,820 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,719 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,420 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,684 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,632 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,573 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,186 |
| New England States | 0 | - | 4.51 | 59,701 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,450 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,878 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,286 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,604 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,646 |
| U.S. States by Borders | 0 | - | 4.63 | 35,053 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,033 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 182,346 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,218 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,103 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,973 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,285 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,765 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,402 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,851 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,192 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,390 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 89,917 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,284 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,132 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 81,809 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,535 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 70,855 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,158 |
| Celtic Nations | 0 | - | 4.69 | 46,802 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,490 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,345 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,400 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,673 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,535 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,504 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,186 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,455 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,981 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,317 |
| African Island Countries | 0 | - | 4.96 | 100,701 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,524 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,620 |
| Australian States and Territories | 0 | - | 4.95 | 140,596 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,997 |
| Australia True or False | 0 | - | 4.87 | 56,485 |
| Flags of North and South America | 0 | - | 4.99 | 366,299 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,018 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,653 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,596 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,899 |
