| Countries of the World Quiz | 0 | - | 5.00 | 47,966,391 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,368 |
| NATO Countries | 0 | - | 4.98 | 283,970 |
| EU Countries Quiz | 0 | - | 4.99 | 278,864 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,886 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,708 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,762 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,004 |
| Countries with NO Military | 0 | - | 4.97 | 63,602 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,185 |
| Landlocked Countries | 0 | - | 4.99 | 427,216 |
| World Map without 12 Countries | 0 | - | 4.97 | 346,444 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,923 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,057 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,268 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,333 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,612 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,602 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,205 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,347 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,808 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,577 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,900 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,458 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,274 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,244 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,570 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,490 |
| Pixelated World Map | 0 | - | 5.00 | 144,263 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,336 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,339 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,551 |
| Buddhist Countries | 0 | - | 4.96 | 145,249 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,184 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,537 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,789 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,871 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,843 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,130 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,683 |
| World Coats of Arms | 0 | - | 4.99 | 65,313 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 910,219 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,820 |
| Every Country Shape | 0 | - | 5.00 | 472,423 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,310 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,965 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,112 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,859 |
| World Currency Quiz | 0 | - | 4.92 | 307,520 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,302 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,094 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,899 |
| Himalayan Countries | 0 | - | 4.93 | 140,808 |
| Andean Countries | 0 | - | 4.94 | 85,795 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,911 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,477 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,460 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,685 |
| Danube Countries | 0 | - | 4.97 | 72,548 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,795 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,970 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,433 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,910 |
| European Landlocked Countries | 0 | - | 4.99 | 147,736 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,530 |
| Countries with the Most Species | 0 | - | 4.99 | 103,643 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,634 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,812 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,952 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,923 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,678 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,125 |
| Countries in the Alps | 0 | - | 4.87 | 118,968 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,980 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,125 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,053 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,170 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,126 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,388 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,588 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,987 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,512 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,309 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,951 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,829 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,669 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,923 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,019 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,143 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,730 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,417 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,832 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,282 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,486 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,614 |
| Largest Countries By Category | 0 | - | 4.97 | 159,083 |
| Countries by Countries | 0 | - | 4.97 | 63,799 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,226 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,583 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,031 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,341 |
| Island Countries | 0 | - | 4.99 | 713,002 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,123 |
| Northernmost Countries | 0 | - | 4.99 | 364,583 |
| Countries of South America | 0 | - | 5.00 | 934,231 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,443 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,899 |
| "Land" Countries | 0 | - | 4.98 | 338,987 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,290 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,904 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,364 |
| Countries that Start with D | 0 | - | 4.96 | 717,748 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,612 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,172 |
| Countries that Start with H | 0 | - | 4.96 | 610,497 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,785 |
| Countries that Start with J | 0 | - | 4.98 | 607,877 |
| Countries that Start with K | 0 | - | 4.97 | 821,708 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,041 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,097 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,263 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,784 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,851 |
| Countries that Start with U | 0 | - | 4.97 | 909,198 |
| Countries that Start with V | 0 | - | 4.98 | 612,531 |
| Countries that Start with F | 0 | - | 4.83 | 621,996 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,561 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,103 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,930 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,649 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,619 |
| Orthodox Countries | 0 | - | 4.92 | 132,947 |
| Richest Island Countries | 0 | - | 4.85 | 101,349 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,946 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,594 |
| Battle to Country | 0 | - | 4.91 | 54,103 |
| Monarchies of Europe | 0 | - | 4.90 | 99,022 |
| Monarchies of Asia | 0 | - | 4.97 | 71,600 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,605 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,442 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,014 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,333 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,349 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,670 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 227,047 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,408 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 40,317 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 34,682 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,258 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,233 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 123,097 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 109,028 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,204 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,735 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,455 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,356 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,370 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,668 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,822 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,058 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,537 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,142 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,218 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,691 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,334 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,239 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,280 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,487 |
| Countries with Megacities | 0 | - | 4.99 | 267,826 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,137 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,334 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,466 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,430 |
| Countries by Official Language | 0 | - | 4.95 | 196,212 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,937 |
| Countries in their Native Language | 0 | - | 4.99 | 199,951 |
| Independence from Whom | 0 | - | 4.99 | 213,397 |
| Subdivisions by Country | 0 | - | 4.87 | 50,664 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,659 |
| Megadiverse Countries | 0 | - | 4.96 | 148,967 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,133 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,575 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,802 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,257 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,465 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,273 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,623 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,163 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,286 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,761 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,487 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,506 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,216 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,638 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,974 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,942 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,227 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,718 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,390 |
