| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,803 |
| US States Quiz | 0 | - | 5.00 | 16,873,446 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,350 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,642 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,644 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,904 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,969 |
| US States with an Empty Map | 0 | - | 5.00 | 624,546 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,773 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,445 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,174 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,015 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,597 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,191 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,551 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,329 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,106 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,443 |
| Rivers of the United States | 0 | - | 4.93 | 66,197 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,877 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,004 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,733 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,024 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,122 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,896 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,466 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,971 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,880 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,229 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,537 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,538,884 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,782 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,195 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,020 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,454 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,657 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,263 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,508 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,150 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 43,336 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,528 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,632 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,745 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,299 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,765 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,699 |
| Random U.S. City to State | 0 | - | 4.45 | 76,313 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,737 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,227 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,535 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,680,867 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,417 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,863 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,348 |
| Top 10 Richest U.S. States by Median Income | 0 | - | 4.47 | 119,095 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,391,388 |
| U.S. States by Wikipedia Descriptions #1 | 0 | - | 4.57 | 39,342 |
| U.S. States by Wikipedia Descriptions #2 | 0 | - | 4.48 | 37,098 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,464 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,255 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,356 |
| Boroughs of New York City | 0 | - | 4.47 | 84,591 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,020 |
| Monarchies of Europe | 0 | - | 4.90 | 98,140 |
| Monarchies of Asia | 0 | - | 4.97 | 71,086 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,885 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,812 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,158 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,311 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,625 |
| Washington Cities Map Quiz | 0 | - | 4.48 | 24,066 |
| Michigan Cities Map Quiz | 0 | - | 4.45 | 21,078 |
| Texas Cities Map Quiz | 0 | - | 4.38 | 81,502 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,464 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,477 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,797 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,814 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,843 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,303 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,794 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,925 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,021 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,242 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,820 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,763 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,786 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,147 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,638 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,022 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,390 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,589 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 134,396 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,170 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,110 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,995 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,962 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,031 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,729 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,940 |
| U.S. States by Hottest Recorded Temperature | 0 | - | 4.36 | 57,384 |
| 10 U.S. States with the Highest Tax Burden | 0 | - | 4.26 | 38,232 |
| Top 10 U.S. States by Manufacturing Employment | 0 | - | 4.49 | 28,814 |
| U.S. States With No City Over 100,000 | 0 | - | 4.57 | 17,990 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,284 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,278 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.88 | 80,849 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,785 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,823 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 62,225 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,497 |
| ALL California Cities | 0 | - | 4.37 | 43,055 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,518 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,608 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,073 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,199 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,879 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,263 |
| Arms Exports - United States | 0 | - | 4.77 | 62,408 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,976 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,266 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,716 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,669 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,760 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,254 |
| Countries Closest to Hawaii | 0 | - | 4.55 | 53,649 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,808 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,716 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,173 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,797 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,461 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,603 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,082 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,092 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,085 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,777 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,857 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,329 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,134 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,303 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,123 |
| Pixelated United States Map | 0 | - | 4.87 | 94,259 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,496 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,851 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,098 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,414 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,422 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,749 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,985 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,276 |
| U.S. States By Population | 0 | - | 4.92 | 153,536 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,436 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,435 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,509 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,860 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,013 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,292 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,033 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,207 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,610 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,954 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,700 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,173 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,496 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,215 |
| U.S. States with the Fewest Traffic Fatalities | 0 | - | 4.20 | 21,147 |
| U.S. States with the Most Traffic Fatalities | 0 | - | 4.10 | 19,135 |
| State Quiz - Florida | 0 | - | 4.47 | 62,330 |
| State Quiz - Texas | 0 | - | 4.43 | 62,869 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,805 |
| State Quiz - Virginia | 0 | - | 4.53 | 40,306 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,569 |
| State Quiz - Kentucky | 0 | - | 4.42 | 32,467 |
| State Quiz - New York | 0 | - | 4.52 | 46,108 |
| State Quiz - Washington | 0 | - | 4.45 | 36,419 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,390 |
| State Quiz - California | 0 | - | 4.69 | 64,423 |
| State Quiz - Alaska | 0 | - | 4.42 | 42,062 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,718 |
| State Quiz - New Jersey | 0 | - | 4.42 | 38,155 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 49,010 |
| State Quiz - Tennessee | 0 | - | 4.54 | 34,176 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,792 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,603 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,562 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,678 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,635 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,338 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,255 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,902 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,154 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,133 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,933 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,548 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,971 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,718 |
| Hindu Countries | 0 | - | 4.86 | 50,144 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,563 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,593 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,444 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,421 |
