| Monarchies of Europe | 0 | - | 4.90 | 97,264 |
| Monarchies of Asia | 0 | - | 4.97 | 70,566 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,884,920 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,261 |
| NATO Countries | 0 | - | 4.98 | 275,444 |
| EU Countries Quiz | 0 | - | 4.99 | 269,692 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,727 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,991 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,935 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,672 |
| Countries with NO Military | 0 | - | 4.97 | 61,126 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,875 |
| Landlocked Countries | 0 | - | 4.99 | 413,216 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,222 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,367 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,288 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,927 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,425 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,610 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,096 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,724 |
| Flags that are Red & White Only | 0 | - | 4.97 | 158,802 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,495 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,790 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,204 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,682 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,076 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,531 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,545 |
| Pixelated World Map | 0 | - | 5.00 | 142,363 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,804 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,866 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,638 |
| Buddhist Countries | 0 | - | 4.96 | 142,887 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,340 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,648 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,700 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,920 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,339 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,262 |
| World Coats of Arms | 0 | - | 4.99 | 63,818 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 903,900 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,629 |
| Every Country Shape | 0 | - | 5.00 | 458,435 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,701 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,975 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,979 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,011 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,591 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,739 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,401 |
| Himalayan Countries | 0 | - | 4.95 | 135,181 |
| Andean Countries | 0 | - | 4.94 | 82,741 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,158 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,092 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,824 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,529 |
| Danube Countries | 0 | - | 4.97 | 71,037 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,703 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,494 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,379 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,299 |
| European Landlocked Countries | 0 | - | 4.99 | 145,708 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,125 |
| Countries with the Most Species | 0 | - | 4.99 | 95,220 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,276 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,190 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,353 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,934 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,545 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,909 |
| Countries in the Alps | 0 | - | 4.87 | 116,758 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,518 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,167 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,979 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,378 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,104 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,963 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,517 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,721 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,973 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,014 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,180 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,017 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,406 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,706 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,716 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,974 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,600 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,227 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,726 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,038 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,496 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,571 |
| Largest Countries By Category | 0 | - | 4.97 | 156,684 |
| Countries by Countries | 0 | - | 4.96 | 62,216 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,950 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,719 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,405 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,991 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,446 |
| Island Countries | 0 | - | 4.99 | 707,431 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,911 |
| Northernmost Countries | 0 | - | 4.99 | 357,488 |
| Countries of South America | 0 | - | 5.00 | 914,035 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,467 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,741 |
| "Land" Countries | 0 | - | 4.98 | 333,526 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,739 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,912 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,560 |
| Countries that Start with D | 0 | - | 4.96 | 701,022 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,899 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,117 |
| Countries that Start with H | 0 | - | 4.96 | 597,515 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,772 |
| Countries that Start with J | 0 | - | 4.98 | 595,587 |
| Countries that Start with K | 0 | - | 4.96 | 809,008 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,422 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,267 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,112 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,885 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,853 |
| Countries that Start with U | 0 | - | 4.97 | 899,650 |
| Countries that Start with V | 0 | - | 4.98 | 604,829 |
| Countries that Start with F | 0 | - | 4.83 | 611,839 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,804 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,326 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,209 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 136,907 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,947 |
| Orthodox Countries | 0 | - | 4.91 | 130,314 |
| Richest Island Countries | 0 | - | 4.84 | 99,457 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,161 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,980 |
| Battle to Country | 0 | - | 4.91 | 52,476 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,414 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,676 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,204 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,357 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,518 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,412 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,169 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,086 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 161,271 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,261 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,268 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,601 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,191 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,246 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 79,985 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,515 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 84,991 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,215 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,095 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,420 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,507 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,599 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,931 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,883 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,664 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,538 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,826 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,401 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,684 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,974 |
| Countries with Megacities | 0 | - | 4.99 | 246,469 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,889 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,786 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,355 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,741 |
| Countries by Official Language | 0 | - | 4.95 | 192,683 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,004 |
| Countries in their Native Language | 0 | - | 4.99 | 196,546 |
| Independence from Whom | 0 | - | 4.99 | 209,579 |
| Subdivisions by Country | 0 | - | 4.86 | 50,045 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,662 |
| Megadiverse Countries | 0 | - | 4.97 | 133,859 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,721 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,899 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,399 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,590 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,966 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,782 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,111 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,199 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,730 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,478 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,390 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,464 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,482 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,641 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,000 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,039 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,763 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,448 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,283 |
| World Map Quiz | 0 | - | 4.81 | 63,434 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,535 |
