| Countries of the World Quiz | 0 | - | 5.00 | 47,940,858 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,176 |
| NATO Countries | 0 | - | 4.98 | 283,809 |
| EU Countries Quiz | 0 | - | 4.99 | 278,644 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,727 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,463 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,661 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,934 |
| Countries with NO Military | 0 | - | 4.97 | 63,539 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,156 |
| Landlocked Countries | 0 | - | 4.99 | 426,885 |
| World Map without 12 Countries | 0 | - | 4.97 | 346,349 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,852 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,990 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,237 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,319 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,527 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,516 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,103 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,298 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,750 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,484 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,824 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,411 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,239 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,215 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,513 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,456 |
| Pixelated World Map | 0 | - | 5.00 | 144,202 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,139 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,277 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,531 |
| Buddhist Countries | 0 | - | 4.96 | 145,208 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,148 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,499 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,757 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,835 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,804 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,109 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,674 |
| World Coats of Arms | 0 | - | 4.99 | 65,278 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 910,079 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,741 |
| Every Country Shape | 0 | - | 5.00 | 472,079 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,197 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,873 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,678 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,827 |
| World Currency Quiz | 0 | - | 4.92 | 307,290 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,280 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,077 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,734 |
| Himalayan Countries | 0 | - | 4.93 | 140,657 |
| Andean Countries | 0 | - | 4.94 | 85,724 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,843 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,375 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,397 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,630 |
| Danube Countries | 0 | - | 4.97 | 72,510 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,734 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,933 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,359 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,817 |
| European Landlocked Countries | 0 | - | 4.99 | 147,701 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,470 |
| Countries with the Most Species | 0 | - | 4.99 | 103,625 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,572 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,802 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,933 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,899 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,654 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,101 |
| Countries in the Alps | 0 | - | 4.87 | 118,916 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,894 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,053 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,035 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,132 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,087 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,353 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,528 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,962 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,491 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,280 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,933 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,810 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,637 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,888 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,984 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,067 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,693 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,088 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,789 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,128 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,380 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,585 |
| Largest Countries By Category | 0 | - | 4.97 | 159,016 |
| Countries by Countries | 0 | - | 4.97 | 63,763 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,191 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,227 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,946 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,143 |
| Island Countries | 0 | - | 4.99 | 712,861 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,709 |
| Northernmost Countries | 0 | - | 4.99 | 364,421 |
| Countries of South America | 0 | - | 5.00 | 933,726 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,780 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,757 |
| "Land" Countries | 0 | - | 4.98 | 338,820 |
| Countries that Start with A | 0 | - | 4.98 | 2,177,514 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,157 |
| Countries that Start with C | 0 | - | 4.96 | 1,832,759 |
| Countries that Start with D | 0 | - | 4.96 | 717,322 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,117 |
| Countries that Start with G | 0 | - | 4.97 | 1,512,630 |
| Countries that Start with H | 0 | - | 4.96 | 610,190 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,392 |
| Countries that Start with J | 0 | - | 4.98 | 607,589 |
| Countries that Start with K | 0 | - | 4.97 | 821,414 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,668 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,722 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,870 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,300 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,549 |
| Countries that Start with U | 0 | - | 4.97 | 908,964 |
| Countries that Start with V | 0 | - | 4.98 | 612,371 |
| Countries that Start with F | 0 | - | 4.83 | 621,763 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,163 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,065 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,858 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,595 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,552 |
| Orthodox Countries | 0 | - | 4.92 | 132,898 |
| Richest Island Countries | 0 | - | 4.85 | 101,305 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,395,964 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,564 |
| Battle to Country | 0 | - | 4.91 | 54,067 |
| Monarchies of Europe | 0 | - | 4.90 | 98,985 |
| Monarchies of Asia | 0 | - | 4.97 | 71,568 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,459 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,315 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,921 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,258 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,326 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,610 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,981 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,356 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 40,216 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 34,553 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,228 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,204 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 123,052 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,999 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,179 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,698 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,430 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,304 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,307 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,598 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,122 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,009 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,331 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,091 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,178 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,642 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,276 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,193 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,264 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,401 |
| Countries with Megacities | 0 | - | 4.99 | 267,617 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,047 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,274 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,387 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,381 |
| Countries by Official Language | 0 | - | 4.95 | 196,154 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,840 |
| Countries in their Native Language | 0 | - | 4.99 | 199,887 |
| Independence from Whom | 0 | - | 4.99 | 213,306 |
| Subdivisions by Country | 0 | - | 4.87 | 50,650 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,599 |
| Megadiverse Countries | 0 | - | 4.96 | 147,793 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,075 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,565 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,772 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,244 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,407 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,907 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,227 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,604 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,141 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,280 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,695 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,457 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,484 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,195 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,617 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,940 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,913 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,165 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,623 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,364 |
