| Countries of the World Quiz | 0 | - | 5.00 | 47,402,870 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,828 |
| NATO Countries | 0 | - | 4.98 | 279,838 |
| EU Countries Quiz | 0 | - | 4.99 | 273,503 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,943 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,582 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,092 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,215 |
| Countries with NO Military | 0 | - | 4.97 | 62,123 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,490 |
| Landlocked Countries | 0 | - | 4.99 | 419,781 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,230 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,027 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,477 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,431 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,783 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,524 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,770 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,280 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,149 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,186 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,889 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,002 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,297 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,472 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,725 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,445 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,417 |
| Pixelated World Map | 0 | - | 5.00 | 143,306 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,330 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,065 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,066 |
| Buddhist Countries | 0 | - | 4.96 | 144,232 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,356 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,679 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,901 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,996 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,808 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,724 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,476 |
| World Coats of Arms | 0 | - | 4.99 | 64,440 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,828 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,560 |
| Every Country Shape | 0 | - | 5.00 | 464,721 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,214 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,411 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,577 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,403 |
| World Currency Quiz | 0 | - | 4.92 | 302,618 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,907 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,392 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,359 |
| Himalayan Countries | 0 | - | 4.95 | 137,788 |
| Andean Countries | 0 | - | 4.95 | 84,109 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,342 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,887 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,977 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,453 |
| Danube Countries | 0 | - | 4.97 | 71,748 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,675 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,149 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,820 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,891 |
| European Landlocked Countries | 0 | - | 4.99 | 146,871 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,254 |
| Countries with the Most Species | 0 | - | 4.99 | 103,015 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,416 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,460 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,628 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,376 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,048 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,447 |
| Countries in the Alps | 0 | - | 4.87 | 117,833 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,228 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,560 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,474 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,353 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,217 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,783 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,383 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,268 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,028 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,632 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,527 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,375 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,996 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,269 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,288 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,383 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,122 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,631 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,674 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,787 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,469 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,051 |
| Largest Countries By Category | 0 | - | 4.97 | 157,797 |
| Countries by Countries | 0 | - | 4.97 | 62,934 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,184 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,423 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,741 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,848 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,831 |
| Island Countries | 0 | - | 4.99 | 710,126 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,047,033 |
| Northernmost Countries | 0 | - | 4.99 | 360,900 |
| Countries of South America | 0 | - | 5.00 | 924,137 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,838 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,869,556 |
| "Land" Countries | 0 | - | 4.98 | 336,015 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,074 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,851 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,823 |
| Countries that Start with D | 0 | - | 4.96 | 708,758 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,198 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,204 |
| Countries that Start with H | 0 | - | 4.96 | 604,078 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,257 |
| Countries that Start with J | 0 | - | 4.98 | 601,799 |
| Countries that Start with K | 0 | - | 4.97 | 815,134 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,950 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,927 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,364 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,720 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,205 |
| Countries that Start with U | 0 | - | 4.97 | 904,015 |
| Countries that Start with V | 0 | - | 4.98 | 608,967 |
| Countries that Start with F | 0 | - | 4.83 | 617,054 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,747 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,160 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,049 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,102 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,273 |
| Orthodox Countries | 0 | - | 4.92 | 131,517 |
| Richest Island Countries | 0 | - | 4.84 | 100,437 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,816 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,784 |
| Battle to Country | 0 | - | 4.91 | 53,257 |
| Monarchies of Europe | 0 | - | 4.90 | 98,060 |
| Monarchies of Asia | 0 | - | 4.97 | 71,046 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,879 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,849 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,043 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,707 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,834 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,789 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,404 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,058 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,562 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,386 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,445 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,094 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,249 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,603 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,134 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,832 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,289 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,292 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,578 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,359 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,381 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 271,064 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,193 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,473 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,620 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,082 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,278 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,933 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,282 |
| Countries with Megacities | 0 | - | 4.99 | 262,540 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,114 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,127 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,413 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,177 |
| Countries by Official Language | 0 | - | 4.95 | 194,810 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,764 |
| Countries in their Native Language | 0 | - | 4.99 | 198,355 |
| Independence from Whom | 0 | - | 4.99 | 211,549 |
| Subdivisions by Country | 0 | - | 4.86 | 50,329 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,863 |
| Megadiverse Countries | 0 | - | 4.96 | 134,828 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,683 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,222 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,794 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,039 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,820 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,439 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,102 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,898 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,533 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,022 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,193 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,766 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,044 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,831 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,210 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,379 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,102 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,934 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,456 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,851 |
