| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,504 |
| North America Map Quiz | 0 | - | 4.98 | 246,112 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,828 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,805 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,929 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,196 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,419 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,651 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,312 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,423 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,919 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,176 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,559 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,878 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,061 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,436 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,345 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,452 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,427 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,151 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,709 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,107 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,318 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,361 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,649 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,634 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,717 |
| Name a Valid Answer - United States #2 | 0 | - | 4.16 | 27,199 |
| North American Physical Geography | 0 | - | 4.35 | 30,375 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,123 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,494 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,943 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,643 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,965 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,267 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,642 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,848 |
| US States Quiz | 0 | - | 5.00 | 16,762,161 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,962 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,381 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,208 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,364 |
| Pixelated United States Map | 0 | - | 4.89 | 93,746 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,894 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,169 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,647 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,227 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,817 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,814 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,223 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,466 |
| U.S. States By Population | 0 | - | 4.92 | 152,700 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,791 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,104 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,120 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,876 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,940 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,187 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,399 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,286 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,755 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,239 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,904 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,091 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,692 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,007 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,627 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,670,029 |
| US States with an Empty Map | 0 | - | 5.00 | 620,872 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,912 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,741 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,033 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,630 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,986 |
| Draw All US State Borders | 0 | - | 4.99 | 134,854 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,332 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,139 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,415 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,196 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,385 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,055 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,324 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,778 |
| Australian Capitals | 0 | - | 4.92 | 62,642 |
| Territories of the United States | 0 | - | 4.79 | 52,236 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.78 | 39,462 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,896 |
| Rivers of the United States | 0 | - | 4.93 | 65,747 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 51,909 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,703 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,694 |
| New York City Geography | 0 | - | 4.42 | 33,006 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,416 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,903 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,147 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,000 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,428 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,667 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,801 |
| Official European Union Languages | 0 | - | 4.97 | 237,500 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,224 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,232 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,359 |
| Asia Map Quiz | 0 | - | 4.99 | 909,991 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,165 |
| African East Coast | 0 | - | 4.96 | 95,419 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,285 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,114 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,216 |
| New World Crops | 0 | - | 4.38 | 30,328 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,368 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,507 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,118 |
| United States Country Quiz | 0 | - | 4.43 | 100,942 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,705 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,733 |
| U.S. Presidents by Picture | 0 | - | 4.87 | 424,688 |
| Hawaiian Islands | 0 | - | 4.83 | 42,530 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,188 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,525,009 |
| U.S. State Flags | 0 | - | 4.89 | 168,436 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,407 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,327 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,112 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,826 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,874 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,418 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,717 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,720 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,710 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,157 |
| The Only European Country ... | 0 | - | 4.91 | 214,860 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,147 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,414 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,647 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,762 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,073 |
| Countries of Africa | 0 | - | 5.00 | 2,517,913 |
| Australia Map Quiz | 0 | - | 4.94 | 343,080 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,944 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,428 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,178 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 744,763 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,673 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,327 |
| American Geography Quiz for Dummies | 0 | - | 4.41 | 68,880 |
| 75 Americans Named John | 0 | - | 4.41 | 23,854 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,824 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 380,190 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,506 |
| Play-Doh Presidents | 0 | - | 5.00 | 81,884 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,701 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,236 |
| New York True or False? | 0 | - | 4.53 | 33,734 |
| New England States | 0 | - | 4.51 | 59,738 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,604 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,936 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,522 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,791 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,764 |
| U.S. States by Borders | 0 | - | 4.63 | 35,168 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,214 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,619 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,340 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,736 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,063 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,428 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.70 | 32,877 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,493 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 74,999 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,266 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,519 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,510 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,516 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,242 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,111 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,733 |
| Ten Most Rectangular U.S. States | 0 | - | 4.54 | 71,081 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,036 |
| Celtic Nations | 0 | - | 4.69 | 46,861 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,583 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,642 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,586 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,002 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,084 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,827 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,600 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,762 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,606 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,070 |
| African Island Countries | 0 | - | 4.96 | 101,072 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,282 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,919 |
| Australian States and Territories | 0 | - | 4.96 | 141,247 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,108 |
| Australia True or False | 0 | - | 4.87 | 56,630 |
| Flags of North and South America | 0 | - | 4.99 | 369,527 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,718 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,727 |
| Peru True or False? | 0 | - | 4.58 | 15,211 |
