| Countries of the World Quiz | 0 | - | 5.00 | 47,377,462 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,642 |
| NATO Countries | 0 | - | 4.98 | 279,643 |
| EU Countries Quiz | 0 | - | 4.99 | 273,303 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,764 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,336 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,966 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,132 |
| Countries with NO Military | 0 | - | 4.97 | 62,063 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,455 |
| Landlocked Countries | 0 | - | 4.99 | 419,509 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,152 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,949 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,420 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,407 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,762 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,445 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,704 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,204 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,115 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,122 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,823 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,927 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,242 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,441 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,703 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,403 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,373 |
| Pixelated World Map | 0 | - | 5.00 | 143,254 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,167 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,011 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,047 |
| Buddhist Countries | 0 | - | 4.96 | 144,187 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,329 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,640 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,859 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,955 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,764 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,700 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,464 |
| World Coats of Arms | 0 | - | 4.99 | 64,402 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,683 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,465 |
| Every Country Shape | 0 | - | 5.00 | 464,366 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,121 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,327 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,500 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,391 |
| World Currency Quiz | 0 | - | 4.91 | 302,335 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,895 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,362 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,228 |
| Himalayan Countries | 0 | - | 4.95 | 137,669 |
| Andean Countries | 0 | - | 4.95 | 84,062 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,307 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,812 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,930 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,423 |
| Danube Countries | 0 | - | 4.97 | 71,724 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,642 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,117 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,752 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,830 |
| European Landlocked Countries | 0 | - | 4.99 | 146,839 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,209 |
| Countries with the Most Species | 0 | - | 4.99 | 102,984 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,367 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,448 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,611 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,349 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,025 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,418 |
| Countries in the Alps | 0 | - | 4.87 | 117,781 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,200 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,486 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,455 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,101 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,166 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,760 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,353 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,247 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,007 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,605 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,514 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,363 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,971 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,239 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,261 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,296 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,098 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,605 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,631 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,631 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,368 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,031 |
| Largest Countries By Category | 0 | - | 4.97 | 157,749 |
| Countries by Countries | 0 | - | 4.96 | 62,902 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,386 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,489 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,760 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,457 |
| Island Countries | 0 | - | 4.99 | 710,003 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,691 |
| Northernmost Countries | 0 | - | 4.99 | 360,755 |
| Countries of South America | 0 | - | 5.00 | 923,749 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,199 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,434 |
| "Land" Countries | 0 | - | 4.98 | 335,937 |
| Countries that Start with A | 0 | - | 4.98 | 2,160,308 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,125 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,239 |
| Countries that Start with D | 0 | - | 4.96 | 708,320 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,670 |
| Countries that Start with G | 0 | - | 4.97 | 1,501,435 |
| Countries that Start with H | 0 | - | 4.96 | 603,682 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,825 |
| Countries that Start with J | 0 | - | 4.98 | 601,477 |
| Countries that Start with K | 0 | - | 4.97 | 814,813 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,557 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,543 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,986 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,197 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,933 |
| Countries that Start with U | 0 | - | 4.97 | 903,763 |
| Countries that Start with V | 0 | - | 4.98 | 608,765 |
| Countries that Start with F | 0 | - | 4.83 | 616,760 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,355 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,128 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,985 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,056 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,224 |
| Orthodox Countries | 0 | - | 4.92 | 131,427 |
| Richest Island Countries | 0 | - | 4.84 | 100,385 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,040 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,735 |
| Battle to Country | 0 | - | 4.91 | 53,231 |
| Monarchies of Europe | 0 | - | 4.90 | 98,027 |
| Monarchies of Asia | 0 | - | 4.97 | 71,027 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,758 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,747 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,961 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,667 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,811 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,721 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,353 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,997 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,430 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,341 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,388 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,050 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,207 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,559 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,092 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,792 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,241 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,232 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,532 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,337 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,344 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,844 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,156 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,433 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,583 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,035 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,243 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,918 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,190 |
| Countries with Megacities | 0 | - | 4.99 | 261,969 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,044 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,085 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,342 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,123 |
| Countries by Official Language | 0 | - | 4.95 | 194,753 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,686 |
| Countries in their Native Language | 0 | - | 4.99 | 198,292 |
| Independence from Whom | 0 | - | 4.99 | 211,470 |
| Subdivisions by Country | 0 | - | 4.86 | 50,311 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,816 |
| Megadiverse Countries | 0 | - | 4.96 | 134,805 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,626 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,211 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,784 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,032 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,774 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,418 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,059 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,878 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,520 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,009 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,118 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,747 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,023 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,812 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,184 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,360 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,051 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,878 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,355 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,821 |
