| Countries of the World Quiz | 0 | - | 5.00 | 47,919,100 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,004 |
| NATO Countries | 0 | - | 4.98 | 283,678 |
| EU Countries Quiz | 0 | - | 4.99 | 278,241 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,607 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,280 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,571 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,865 |
| Countries with NO Military | 0 | - | 4.97 | 63,493 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,134 |
| Landlocked Countries | 0 | - | 4.99 | 426,527 |
| World Map without 12 Countries | 0 | - | 4.97 | 346,253 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,791 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,933 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,220 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,296 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,453 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,452 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,030 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,262 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,700 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,420 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,771 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,366 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,211 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,184 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,481 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,420 |
| Pixelated World Map | 0 | - | 5.00 | 144,156 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,001 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,218 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,525 |
| Buddhist Countries | 0 | - | 4.96 | 145,161 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,115 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,466 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,717 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,787 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,756 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,091 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,660 |
| World Coats of Arms | 0 | - | 4.99 | 65,235 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 909,946 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,663 |
| Every Country Shape | 0 | - | 5.00 | 471,680 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,084 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,778 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,799 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,811 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,264 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,052 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,541 |
| Himalayan Countries | 0 | - | 4.93 | 140,473 |
| Andean Countries | 0 | - | 4.94 | 85,616 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,745 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,211 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,312 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,543 |
| Danube Countries | 0 | - | 4.97 | 72,467 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,678 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,899 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,260 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,735 |
| European Landlocked Countries | 0 | - | 4.99 | 147,670 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,395 |
| Countries with the Most Species | 0 | - | 4.99 | 103,604 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,508 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,791 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,912 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,876 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,616 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,067 |
| Countries in the Alps | 0 | - | 4.87 | 118,855 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,789 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,989 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,010 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,090 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,038 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,320 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,469 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,922 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,463 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,234 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,914 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,782 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,607 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,847 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,948 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,985 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,656 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,535 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,743 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,951 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,300 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,550 |
| Largest Countries By Category | 0 | - | 4.97 | 158,948 |
| Countries by Countries | 0 | - | 4.96 | 63,707 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,426 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,151 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,965 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,845 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,992 |
| Island Countries | 0 | - | 4.99 | 712,754 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,354 |
| Northernmost Countries | 0 | - | 4.99 | 364,275 |
| Countries of South America | 0 | - | 5.00 | 933,384 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,366 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,933 |
| "Land" Countries | 0 | - | 4.98 | 338,543 |
| Countries that Start with A | 0 | - | 4.98 | 2,176,823 |
| Countries that Start with B | 0 | - | 4.95 | 2,307,516 |
| Countries that Start with C | 0 | - | 4.96 | 1,832,295 |
| Countries that Start with D | 0 | - | 4.96 | 716,998 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,764 |
| Countries that Start with G | 0 | - | 4.97 | 1,512,243 |
| Countries that Start with H | 0 | - | 4.96 | 609,973 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,094 |
| Countries that Start with J | 0 | - | 4.98 | 607,376 |
| Countries that Start with K | 0 | - | 4.97 | 821,187 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,362 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,424 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,563 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,901 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,331 |
| Countries that Start with U | 0 | - | 4.97 | 908,802 |
| Countries that Start with V | 0 | - | 4.98 | 612,249 |
| Countries that Start with F | 0 | - | 4.83 | 621,615 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,853 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,026 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,780 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,524 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,497 |
| Orthodox Countries | 0 | - | 4.92 | 132,867 |
| Richest Island Countries | 0 | - | 4.85 | 101,274 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,233 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,534 |
| Battle to Country | 0 | - | 4.91 | 54,026 |
| Monarchies of Europe | 0 | - | 4.90 | 98,938 |
| Monarchies of Asia | 0 | - | 4.97 | 71,544 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,343 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,238 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,847 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,195 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,315 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,549 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,919 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,315 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 40,117 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 34,415 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,195 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,176 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 123,020 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,975 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,163 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,677 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,412 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,261 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,245 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,542 |
| Countries by Oil Consumption | 0 | - | 4.96 | 122,034 |
| Largest Economies in 2050 | 0 | - | 4.88 | 111,969 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,134 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,050 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,139 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,604 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,223 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,151 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,247 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,312 |
| Countries with Megacities | 0 | - | 4.99 | 267,446 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,983 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,227 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,310 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,331 |
| Countries by Official Language | 0 | - | 4.95 | 196,115 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,778 |
| Countries in their Native Language | 0 | - | 4.99 | 199,836 |
| Independence from Whom | 0 | - | 4.99 | 213,219 |
| Subdivisions by Country | 0 | - | 4.87 | 50,641 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,558 |
| Megadiverse Countries | 0 | - | 4.96 | 144,452 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,032 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,554 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,748 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,238 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,345 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,888 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,182 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,590 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,120 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,275 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,635 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,431 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,463 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,175 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,602 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,913 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,884 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,117 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,526 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,323 |
