| Countries of the World Quiz | 0 | - | 5.00 | 47,644,612 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,984 |
| NATO Countries | 0 | - | 4.98 | 281,907 |
| EU Countries Quiz | 0 | - | 4.99 | 275,979 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,703 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,928 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,457 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,130 |
| Countries with NO Military | 0 | - | 4.97 | 62,748 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,855 |
| Landlocked Countries | 0 | - | 4.99 | 422,761 |
| World Map without 12 Countries | 0 | - | 4.97 | 345,189 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,733 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,303 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,918 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,098 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,372 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,528 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,088 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,664 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,884 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,568 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,792 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,790 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,796 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,971 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,915 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,842 |
| Pixelated World Map | 0 | - | 5.00 | 143,721 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,100 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,624 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,267 |
| Buddhist Countries | 0 | - | 4.96 | 144,700 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,715 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,057 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,274 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,343 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,233 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,899 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,562 |
| World Coats of Arms | 0 | - | 4.99 | 64,794 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 908,339 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,557 |
| Every Country Shape | 0 | - | 5.00 | 468,294 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,140 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,125 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,224 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,609 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,051 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,684 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,910 |
| Himalayan Countries | 0 | - | 4.95 | 139,082 |
| Andean Countries | 0 | - | 4.93 | 84,826 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,054 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,152 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,633 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,946 |
| Danube Countries | 0 | - | 4.97 | 72,112 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,150 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,515 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,481 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,978 |
| European Landlocked Countries | 0 | - | 4.99 | 147,246 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,797 |
| Countries with the Most Species | 0 | - | 4.99 | 103,323 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,919 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,637 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,757 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,604 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,336 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,753 |
| Countries in the Alps | 0 | - | 4.87 | 118,329 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,623 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,227 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,731 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,688 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,607 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,011 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,769 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,580 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,231 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,938 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,701 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,578 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,308 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,548 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,612 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,091 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,378 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,577 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,223 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,366 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,367 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,295 |
| Largest Countries By Category | 0 | - | 4.97 | 158,361 |
| Countries by Countries | 0 | - | 4.96 | 63,331 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,314 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,761 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,313 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,745 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,811 |
| Island Countries | 0 | - | 4.99 | 711,319 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,050,881 |
| Northernmost Countries | 0 | - | 4.99 | 362,342 |
| Countries of South America | 0 | - | 5.00 | 928,483 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,323 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,879,691 |
| "Land" Countries | 0 | - | 4.98 | 337,567 |
| Countries that Start with A | 0 | - | 4.98 | 2,168,355 |
| Countries that Start with B | 0 | - | 4.95 | 2,299,558 |
| Countries that Start with C | 0 | - | 4.96 | 1,826,216 |
| Countries that Start with D | 0 | - | 4.96 | 712,644 |
| Countries that Start with E | 0 | - | 4.95 | 1,380,659 |
| Countries that Start with G | 0 | - | 4.97 | 1,506,924 |
| Countries that Start with H | 0 | - | 4.96 | 606,849 |
| Countries that Start with I | 0 | - | 4.92 | 1,291,057 |
| Countries that Start with J | 0 | - | 4.98 | 604,402 |
| Countries that Start with K | 0 | - | 4.97 | 817,984 |
| Countries that Start with L | 0 | - | 4.98 | 1,093,387 |
| Countries that Start with N | 0 | - | 4.93 | 1,120,444 |
| Countries that Start with P | 0 | - | 4.94 | 1,218,784 |
| Countries that Start with S | 0 | - | 4.98 | 1,758,557 |
| Countries that Start with T | 0 | - | 4.90 | 1,011,842 |
| Countries that Start with U | 0 | - | 4.97 | 906,084 |
| Countries that Start with V | 0 | - | 4.98 | 610,476 |
| Countries that Start with F | 0 | - | 4.83 | 619,226 |
| Countries that Start with M | 0 | - | 4.97 | 1,384,647 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,597 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,954 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,832 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,897 |
| Orthodox Countries | 0 | - | 4.92 | 132,361 |
| Richest Island Countries | 0 | - | 4.85 | 100,873 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,385,647 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,133 |
| Battle to Country | 0 | - | 4.91 | 53,613 |
| Monarchies of Europe | 0 | - | 4.90 | 98,439 |
| Monarchies of Asia | 0 | - | 4.97 | 71,287 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,955 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,001 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,820 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,273 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,072 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,572 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,145 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,660 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 38,891 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 32,924 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,783 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,811 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,454 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,586 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,885 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,405 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,091 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,769 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,730 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,073 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,571 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,665 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,030 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,617 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,767 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,109 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,613 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,691 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,082 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,133 |
| Countries with Megacities | 0 | - | 4.99 | 265,125 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,947 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,603 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,214 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,671 |
| Countries by Official Language | 0 | - | 4.95 | 195,414 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,599 |
| Countries in their Native Language | 0 | - | 4.99 | 199,194 |
| Independence from Whom | 0 | - | 4.99 | 212,290 |
| Subdivisions by Country | 0 | - | 4.87 | 50,467 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,867 |
| Megadiverse Countries | 0 | - | 4.96 | 135,077 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,223 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,396 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,275 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,135 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,231 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,644 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,576 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,371 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,699 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,174 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,853 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,932 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,250 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,005 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,401 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,536 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,464 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,566 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,448 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,109 |
