| Pixelated United States Map | 0 | - | 4.89 | 93,271 |
| US States Quiz | 0 | - | 5.00 | 16,676,409 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,031 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,036 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,559 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,497 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,905 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,294 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,484 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,260 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,699 |
| Flags of North and South America | 0 | - | 4.99 | 365,306 |
| US States with an Empty Map | 0 | - | 5.00 | 618,035 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,562 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,188 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,250 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,467 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,728 |
| U.S. States By Population | 0 | - | 4.92 | 152,240 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,230 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,763 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,433 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,697 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,777 |
| Cities by Picture #2 | 0 | - | 4.19 | 34,913 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,210 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,961 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,673 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,927 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,817 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,254 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,364 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,950 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,753 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,853 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,520 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,439 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,767 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,415 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,771 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,541 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,923 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,503 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,285 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,659 |
| States of Mexico | 0 | - | 4.95 | 172,996 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,423 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,220 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,815 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,374 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,015 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 903,351 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,161 |
| Every Country Shape | 0 | - | 5.00 | 457,904 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,760 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,105 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,659 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,583 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,539 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,760 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,452 |
| United States Country Quiz | 0 | - | 4.43 | 100,453 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,059 |
| U.S. States by Picture #1 | 0 | - | 4.21 | 15,349 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,588 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,569 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,581 |
| Random U.S. City to State | 0 | - | 4.45 | 75,186 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,100 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,727 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,648 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,490 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,047 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,177 |
| New England States | 0 | - | 4.51 | 59,695 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,412 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,872 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,251 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,588 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,630 |
| U.S. States by Borders | 0 | - | 4.63 | 35,041 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,206 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,079 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,959 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,744 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,244 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,775 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,856 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,449 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,883 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,484 |
| Boroughs of New York City | 0 | - | 4.47 | 84,052 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,008 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 136,751 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,242 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,904 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 293,778 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 223,760 |
| Country Shapes Quiz #5 | 0 | - | 4.92 | 158,273 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 33,994 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,176 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,514 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,106 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,166 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 79,924 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,446 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 84,928 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,512 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,061 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 58,853 |
| The Only American Country ... | 0 | - | 4.92 | 120,644 |
| Belize Country Quiz | 0 | - | 4.85 | 20,778 |
| Flags of Oceania | 0 | - | 5.00 | 254,549 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,614 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,731 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,824 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,541 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,314 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 112,955 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,217 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,920 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,342 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,251 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,008 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,753 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,379 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,650 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,617 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,504 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,729 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,334 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,992 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,435 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,171 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,446 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,403 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,696 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,529 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,213,517 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,310 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,864 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,353 |
| Largest United States Airlines | 0 | - | 4.39 | 54,811 |
| States of Brazil | 0 | - | 4.98 | 86,176 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,750 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,118 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,352 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,593 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,605 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,286 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,432 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,091 |
| ALL California Cities | 0 | - | 4.36 | 42,791 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,377 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,892 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 100,722 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,035 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 125,404 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 27,485 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,741 |
| Every European Country Shape | 0 | - | 4.95 | 199,818 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,485 |
| Every African Country Shape | 0 | - | 4.90 | 85,839 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,449 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 58,954 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,761 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,592 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,036 |
| Merged Countries #2 | 0 | - | 4.96 | 98,376 |
| Merged Countries #6 | 0 | - | 4.91 | 72,629 |
| Merged Countries #7 | 0 | - | 4.93 | 81,873 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,307 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,264 |
| Canada Country Quiz | 0 | - | 4.54 | 131,618 |
| Hawaiian Islands Map Quiz | 0 | - | 4.78 | 22,199 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,548 |
| U.S. States by Picture #2 | 0 | - | 3.47 | 11,506 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,296 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,260 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,261 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,956 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,339 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,560 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,311 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,562 |
| U.S. Geography By Letter - H | 0 | - | 4.38 | 39,277 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,403 |
| Last 10 U.S. States Alphabetically | 0 | - | 4.35 | 74,562 |
| Top 10 Least Populous U.S. State Capitals | 0 | - | 4.52 | 21,449 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 49,724 |
| Flyover States | 0 | - | 4.52 | 29,374 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,827 |
| U.S. States With Double Letters | 0 | - | 4.54 | 23,886 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 37,075 |
| U.S. States Bigger than Their Neighbors | 0 | - | 4.27 | 75,760 |
