| Countries of the World Quiz | 0 | - | 5.00 | 47,522,780 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,971 |
| NATO Countries | 0 | - | 4.98 | 280,995 |
| EU Countries Quiz | 0 | - | 4.99 | 274,915 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,875 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,843 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,918 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,747 |
| Countries with NO Military | 0 | - | 4.97 | 62,487 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,712 |
| Landlocked Countries | 0 | - | 4.99 | 421,239 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,700 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,428 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,026 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,787 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,013 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,032 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,235 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,744 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,475 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,587 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,272 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,444 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,541 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,637 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,849 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,716 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,648 |
| Pixelated World Map | 0 | - | 5.00 | 143,508 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,046 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,369 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,178 |
| Buddhist Countries | 0 | - | 4.96 | 144,475 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,539 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,877 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,086 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,189 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,037 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,813 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,528 |
| World Coats of Arms | 0 | - | 4.99 | 64,618 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 907,647 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,115 |
| Every Country Shape | 0 | - | 5.00 | 466,529 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,685 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,734 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,773,174 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,517 |
| World Currency Quiz | 0 | - | 4.92 | 303,631 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,993 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,551 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,081 |
| Himalayan Countries | 0 | - | 4.95 | 138,393 |
| Andean Countries | 0 | - | 4.93 | 84,415 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,636 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,568 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,259 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,660 |
| Danube Countries | 0 | - | 4.97 | 71,919 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,900 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,330 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,139 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,600 |
| European Landlocked Countries | 0 | - | 4.99 | 147,054 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,497 |
| Countries with the Most Species | 0 | - | 4.99 | 103,161 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,648 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,543 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,686 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,488 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,168 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,581 |
| Countries in the Alps | 0 | - | 4.87 | 118,076 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,547 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,885 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,597 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,524 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,409 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,887 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,571 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,426 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,131 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,774 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,604 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,466 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,142 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,403 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,442 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,714 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,239 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 60,663 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,931 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,561 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,884 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,164 |
| Largest Countries By Category | 0 | - | 4.97 | 158,068 |
| Countries by Countries | 0 | - | 4.96 | 63,106 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,249 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,595 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,943 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,301 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,749 |
| Island Countries | 0 | - | 4.99 | 710,758 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,880 |
| Northernmost Countries | 0 | - | 4.99 | 361,612 |
| Countries of South America | 0 | - | 5.00 | 926,211 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,456 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,764 |
| "Land" Countries | 0 | - | 4.98 | 337,089 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,559 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,212 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,517 |
| Countries that Start with D | 0 | - | 4.96 | 710,676 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,344 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,596 |
| Countries that Start with H | 0 | - | 4.96 | 605,495 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,225 |
| Countries that Start with J | 0 | - | 4.98 | 603,146 |
| Countries that Start with K | 0 | - | 4.97 | 816,605 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,647 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,661 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,083 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,174 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,590 |
| Countries that Start with U | 0 | - | 4.97 | 905,100 |
| Countries that Start with V | 0 | - | 4.98 | 609,752 |
| Countries that Start with F | 0 | - | 4.83 | 618,186 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,727 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,391 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,563 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,499 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,616 |
| Orthodox Countries | 0 | - | 4.92 | 132,102 |
| Richest Island Countries | 0 | - | 4.85 | 100,670 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,719 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,965 |
| Battle to Country | 0 | - | 4.91 | 53,426 |
| Monarchies of Europe | 0 | - | 4.90 | 98,234 |
| Monarchies of Asia | 0 | - | 4.97 | 71,145 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,366 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,317 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,394 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,978 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,953 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,230 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,786 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,364 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 37,185 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,605 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,643 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,287 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,422 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,755 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,271 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,963 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,533 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,527 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,856 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,479 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,536 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,065 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,419 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,640 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,879 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,365 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,478 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,012 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,695 |
| Countries with Megacities | 0 | - | 4.99 | 264,068 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,537 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,372 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,802 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,427 |
| Countries by Official Language | 0 | - | 4.95 | 195,092 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,161 |
| Countries in their Native Language | 0 | - | 4.99 | 198,802 |
| Independence from Whom | 0 | - | 4.99 | 211,912 |
| Subdivisions by Country | 0 | - | 4.86 | 50,395 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,597 |
| Megadiverse Countries | 0 | - | 4.96 | 134,948 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,947 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,306 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,881 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,080 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,016 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,553 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,354 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,984 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,606 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,055 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,525 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,837 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,149 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,920 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,306 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,454 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,277 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,285 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,966 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,988 |
