| Monarchies of Europe | 0 | - | 4.90 | 98,762 |
| Monarchies of Asia | 0 | - | 4.97 | 71,451 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,814,309 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,217 |
| NATO Countries | 0 | - | 4.98 | 283,037 |
| EU Countries Quiz | 0 | - | 4.99 | 277,377 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,943 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,475 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,124 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,595 |
| Countries with NO Military | 0 | - | 4.97 | 63,265 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,043 |
| Landlocked Countries | 0 | - | 4.99 | 424,880 |
| World Map without 12 Countries | 0 | - | 4.97 | 345,854 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,495 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,721 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,109 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,214 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,146 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,162 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,703 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,079 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,449 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,168 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,462 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,166 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,080 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,103 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,284 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,227 |
| Pixelated World Map | 0 | - | 5.00 | 143,995 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,418 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,985 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,438 |
| Buddhist Countries | 0 | - | 4.96 | 144,972 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,994 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,337 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,567 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,648 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,598 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,015 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,616 |
| World Coats of Arms | 0 | - | 4.99 | 65,050 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 909,344 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,195 |
| Every Country Shape | 0 | - | 5.00 | 470,303 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,726 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,562 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,798,777 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,759 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,198 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,942 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,819 |
| Himalayan Countries | 0 | - | 4.93 | 139,902 |
| Andean Countries | 0 | - | 4.94 | 85,253 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,422 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,756 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,988 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,293 |
| Danube Countries | 0 | - | 4.97 | 72,300 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,457 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,744 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,926 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,428 |
| European Landlocked Countries | 0 | - | 4.99 | 147,501 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,148 |
| Countries with the Most Species | 0 | - | 4.99 | 103,509 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,289 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,725 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,838 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,774 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,508 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,937 |
| Countries in the Alps | 0 | - | 4.87 | 118,653 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,427 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,684 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,905 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,933 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,858 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,170 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,295 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,796 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,360 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,098 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,809 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,684 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,481 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,714 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,809 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,603 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,547 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,638 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,536 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,360 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,930 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,458 |
| Largest Countries By Category | 0 | - | 4.97 | 158,728 |
| Countries by Countries | 0 | - | 4.96 | 63,548 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,375 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,020 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,760 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,434 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,220 |
| Island Countries | 0 | - | 4.99 | 712,235 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,745 |
| Northernmost Countries | 0 | - | 4.99 | 363,608 |
| Countries of South America | 0 | - | 5.00 | 931,468 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,846 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,886,529 |
| "Land" Countries | 0 | - | 4.98 | 338,185 |
| Countries that Start with A | 0 | - | 4.98 | 2,173,795 |
| Countries that Start with B | 0 | - | 4.95 | 2,304,767 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,095 |
| Countries that Start with D | 0 | - | 4.96 | 715,464 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,952 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,317 |
| Countries that Start with H | 0 | - | 4.96 | 608,897 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,700 |
| Countries that Start with J | 0 | - | 4.98 | 606,302 |
| Countries that Start with K | 0 | - | 4.97 | 820,074 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,919 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,974 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,215 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,959 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,235 |
| Countries that Start with U | 0 | - | 4.97 | 907,969 |
| Countries that Start with V | 0 | - | 4.98 | 611,633 |
| Countries that Start with F | 0 | - | 4.83 | 620,779 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,322 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,918 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,454 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,263 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,286 |
| Orthodox Countries | 0 | - | 4.92 | 132,688 |
| Richest Island Countries | 0 | - | 4.85 | 101,136 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,391,711 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,406 |
| Battle to Country | 0 | - | 4.91 | 53,889 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,905 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,868 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,520 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,874 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,237 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,044 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,588 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,057 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 39,660 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 33,854 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,058 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,046 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,902 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,853 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,081 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,591 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,316 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,072 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,053 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,367 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,728 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,865 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,413 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,898 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,002 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,424 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,986 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,979 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,189 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,929 |
| Countries with Megacities | 0 | - | 4.99 | 266,668 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,635 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,990 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,939 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,100 |
| Countries by Official Language | 0 | - | 4.95 | 195,848 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,423 |
| Countries in their Native Language | 0 | - | 4.99 | 199,620 |
| Independence from Whom | 0 | - | 4.99 | 212,875 |
| Subdivisions by Country | 0 | - | 4.87 | 50,581 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,303 |
| Megadiverse Countries | 0 | - | 4.96 | 135,219 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,832 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,499 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,406 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,200 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,497 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,791 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,001 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,526 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,789 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,233 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,333 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,332 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,401 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,115 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,543 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,657 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,756 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,936 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,137 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,254 |
