| Countries of the World Quiz | 0 | - | 5.00 | 47,476,305 |
| Majority Muslim Countries | 0 | - | 4.98 | 374,512 |
| NATO Countries | 0 | - | 4.98 | 280,561 |
| EU Countries Quiz | 0 | - | 4.99 | 274,413 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,488 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,362 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,624 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,577 |
| Countries with NO Military | 0 | - | 4.97 | 62,366 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,627 |
| Landlocked Countries | 0 | - | 4.99 | 420,750 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,509 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,263 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,878 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,714 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,973 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,878 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,104 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,589 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,385 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,477 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,147 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,304 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,438 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,570 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,801 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,629 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,595 |
| Pixelated World Map | 0 | - | 5.00 | 143,420 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,777 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,270 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,138 |
| Buddhist Countries | 0 | - | 4.96 | 144,377 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,474 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,808 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,013 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,110 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,941 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,785 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,515 |
| World Coats of Arms | 0 | - | 4.99 | 64,566 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 907,243 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,826 |
| Every Country Shape | 0 | - | 5.00 | 465,695 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,510 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,603 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,768,985 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,485 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,964 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,487 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,834 |
| Himalayan Countries | 0 | - | 4.95 | 138,170 |
| Andean Countries | 0 | - | 4.95 | 84,305 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,530 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,406 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,159 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,596 |
| Danube Countries | 0 | - | 4.97 | 71,854 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,829 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,260 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,021 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,472 |
| European Landlocked Countries | 0 | - | 4.99 | 146,995 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,404 |
| Countries with the Most Species | 0 | - | 4.99 | 103,112 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,562 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,519 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,667 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,457 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,130 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,522 |
| Countries in the Alps | 0 | - | 4.87 | 117,987 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,817 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,765 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,557 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,469 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,338 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,842 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,490 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,362 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,089 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,717 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,573 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,428 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,086 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,363 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,385 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,589 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,185 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,707 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,840 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,296 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,728 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,125 |
| Largest Countries By Category | 0 | - | 4.97 | 157,966 |
| Countries by Countries | 0 | - | 4.97 | 63,041 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,226 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,531 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,471 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,108 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,387 |
| Island Countries | 0 | - | 4.99 | 710,514 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,163 |
| Northernmost Countries | 0 | - | 4.99 | 361,341 |
| Countries of South America | 0 | - | 5.00 | 925,355 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,384 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,566 |
| "Land" Countries | 0 | - | 4.98 | 336,759 |
| Countries that Start with A | 0 | - | 4.98 | 2,163,221 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,903 |
| Countries that Start with C | 0 | - | 4.96 | 1,822,518 |
| Countries that Start with D | 0 | - | 4.96 | 709,944 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,547 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,715 |
| Countries that Start with H | 0 | - | 4.96 | 604,989 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,596 |
| Countries that Start with J | 0 | - | 4.98 | 602,678 |
| Countries that Start with K | 0 | - | 4.97 | 816,047 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,023 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,010 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,400 |
| Countries that Start with S | 0 | - | 4.98 | 1,755,223 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,077 |
| Countries that Start with U | 0 | - | 4.97 | 904,687 |
| Countries that Start with V | 0 | - | 4.98 | 609,490 |
| Countries that Start with F | 0 | - | 4.83 | 617,813 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,003 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,312 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,257 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,288 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,475 |
| Orthodox Countries | 0 | - | 4.92 | 131,990 |
| Richest Island Countries | 0 | - | 4.85 | 100,568 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,291 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,906 |
| Battle to Country | 0 | - | 4.91 | 53,362 |
| Monarchies of Europe | 0 | - | 4.90 | 98,172 |
| Monarchies of Asia | 0 | - | 4.97 | 71,105 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,156 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,129 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,247 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,867 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,906 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,991 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,590 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,205 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,907 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,497 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,542 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,180 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,343 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,685 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,207 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,898 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,430 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,444 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,752 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,430 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,477 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,687 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,329 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,566 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,786 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,228 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,396 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,975 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,537 |
| Countries with Megacities | 0 | - | 4.99 | 263,579 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,375 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,289 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,653 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,325 |
| Countries by Official Language | 0 | - | 4.95 | 194,984 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,007 |
| Countries in their Native Language | 0 | - | 4.99 | 198,491 |
| Independence from Whom | 0 | - | 4.99 | 211,763 |
| Subdivisions by Country | 0 | - | 4.86 | 50,372 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,015 |
| Megadiverse Countries | 0 | - | 4.96 | 134,903 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,827 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,273 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,856 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,064 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,944 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,496 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,248 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,952 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,574 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,383 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,801 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,111 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,884 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,258 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,424 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,208 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,174 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,761 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,927 |
| World Map Quiz | 0 | - | 4.81 | 64,902 |
