| US States Quiz | 0 | - | 5.00 | 16,762,039 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,914 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,033 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,723 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,623 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,632 |
| Vietnam War Countries | 0 | - | 4.83 | 93,842 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,950 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,902 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,415 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,289 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,534 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,953 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,100 |
| Which City in California? | 0 | - | 4.56 | 31,951 |
| New York City A-Z | 0 | - | 4.18 | 32,229 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,698 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,107 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,151 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,874 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,145 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,482 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,552 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,943 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,965 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,239 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,376 |
| Name a Valid African Country | 0 | - | 4.98 | 153,313 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,747 |
| Provinces of China Map Quiz | 0 | - | 4.91 | 93,082 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,954 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,738 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,390 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,494 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,355 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,524,999 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,326 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,111 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,962 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,370 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,893 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,168 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,329 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,400 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,289 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,612 |
| Pixelated United States Map | 0 | - | 4.89 | 93,745 |
| US States with an Empty Map | 0 | - | 5.00 | 620,871 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,227 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,816 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,813 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,222 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,466 |
| U.S. States By Population | 0 | - | 4.92 | 152,699 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,791 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,102 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,117 |
| 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 | 124,752 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,238 |
| 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 | 67,090 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,849 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,565 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,352 |
| Random U.S. City to State | 0 | - | 4.45 | 75,572 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,342 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,417 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,764 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,148 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,774 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,970 |
| Which City in Europe? | 0 | - | 4.83 | 106,953 |
| Which City in Texas? | 0 | - | 4.45 | 25,021 |
| Which City in Florida? | 0 | - | 4.61 | 10,952 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,740 |
| Countries that Beat China | 0 | - | 4.86 | 115,086 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,184 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,622 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,439 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,071 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,746 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,348 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,773 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,314 |
| Asia Map Quiz | 0 | - | 4.99 | 909,985 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,331 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,911 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,226 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,236 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,139 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,384,485 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,196 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,985 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,383 |
| U.S. Senators by State | 0 | - | 4.45 | 39,826 |
| States that Beat New York | 0 | - | 4.51 | 44,708 |
| California A-Z | 0 | - | 4.49 | 28,737 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,797 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,375 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,988 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,829 |
| Which City in Canada? | 0 | - | 4.82 | 56,826 |
| Boroughs of New York City | 0 | - | 4.47 | 84,281 |
| Countries of Africa | 0 | - | 5.00 | 2,517,897 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,733 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,702 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,694 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,639 |
| South America Flags Map Quiz | 0 | - | 4.95 | 87,062 |
| Australia Map Quiz | 0 | - | 4.94 | 343,079 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,036 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,826 |
| U.S. State Flags | 0 | - | 4.89 | 168,434 |
| Las Vegas Casinos | 0 | - | 4.12 | 37,995 |
| Hawaiian Islands | 0 | - | 4.83 | 42,530 |
| Rivers of the United States | 0 | - | 4.93 | 65,746 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,406 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,188 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,147 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,000 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,719 |
| 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 |
| New York Yankees Trivia | 0 | - | 4.29 | 7,149 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,911 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,184 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,003 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,031 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,963 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,277 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,964 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,322 |
| Name a City - European Countries | 0 | - | 4.91 | 64,749 |
| Europe Capital to Country | 0 | - | 4.99 | 248,656 |
| Asia Capital to Country | 0 | - | 4.96 | 126,073 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,965 |
| European Capitals by Map | 0 | - | 4.99 | 137,418 |
| African Capitals by Map | 0 | - | 4.99 | 132,704 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,640 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,521 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,899 |
| European Coastal Capitals | 0 | - | 4.95 | 90,036 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,310 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,925 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,577 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,540 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,407 |
| US States and State Capitals | 0 | - | 4.99 | 159,796 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,486 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,719 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,164 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,154 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,146 |
| Countries of the Middle East | 0 | - | 4.96 | 199,666 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,625 |
| The Only European Country ... | 0 | - | 4.91 | 214,859 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,872 |
| Slavic Countries | 0 | - | 4.96 | 111,153 |
| African Island Countries | 0 | - | 4.96 | 101,071 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,145 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,417 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,636 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,150 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,939 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,050 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,169 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,877 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,605 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,084 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,041 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,125 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,345 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,450 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,623 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,826 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,599 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,666 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,520 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,762 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,394 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,725 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,718 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,700 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,114 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,431 |
| North America Map Quiz | 0 | - | 4.98 | 246,112 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,067 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,284 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,586 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,757 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,207 |
| Merged U.S. States | 0 | - | 4.36 | 43,968 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,999 |
| Flags of North and South America | 0 | - | 4.99 | 369,526 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,501 |