| Monarchies of Europe | 0 | - | 4.90 | 97,251 |
| Monarchies of Asia | 0 | - | 4.97 | 70,558 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,876,746 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,185 |
| NATO Countries | 0 | - | 4.98 | 275,364 |
| EU Countries Quiz | 0 | - | 4.99 | 269,633 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,662 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,915 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,896 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,649 |
| Countries with NO Military | 0 | - | 4.97 | 61,111 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,865 |
| Landlocked Countries | 0 | - | 4.99 | 413,136 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,174 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,337 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,266 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,919 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,415 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,564 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,053 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,682 |
| Flags that are Red & White Only | 0 | - | 4.97 | 158,061 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,463 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,668 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,185 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,672 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,069 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,515 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,529 |
| Pixelated World Map | 0 | - | 5.00 | 142,341 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,730 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,850 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,634 |
| Buddhist Countries | 0 | - | 4.96 | 142,874 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,327 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,634 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,677 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,908 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,333 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,259 |
| World Coats of Arms | 0 | - | 4.99 | 63,806 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 903,790 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,545 |
| Every Country Shape | 0 | - | 5.00 | 458,336 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,636 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,942 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,712,150 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,998 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,588 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,715 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,373 |
| Himalayan Countries | 0 | - | 4.95 | 135,155 |
| Andean Countries | 0 | - | 4.94 | 82,724 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,144 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,075 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,817 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,510 |
| Danube Countries | 0 | - | 4.97 | 71,028 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,693 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,485 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,357 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,278 |
| European Landlocked Countries | 0 | - | 4.99 | 145,698 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,106 |
| Countries with the Most Species | 0 | - | 4.99 | 95,215 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,256 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,187 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,348 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,926 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,538 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,896 |
| Countries in the Alps | 0 | - | 4.87 | 116,741 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,507 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,154 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,968 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,362 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,096 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,957 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,507 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,711 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,841 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,007 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,012 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,396 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,701 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,707 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,953 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,591 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,218 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,720 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,988 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,472 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,562 |
| Largest Countries By Category | 0 | - | 4.97 | 156,670 |
| Countries by Countries | 0 | - | 4.96 | 62,204 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,945 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,701 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,327 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,941 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,278 |
| Island Countries | 0 | - | 4.99 | 707,383 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,771 |
| Northernmost Countries | 0 | - | 4.99 | 357,427 |
| Countries of South America | 0 | - | 5.00 | 913,888 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,250 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,354 |
| "Land" Countries | 0 | - | 4.98 | 333,500 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,491 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,709 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,356 |
| Countries that Start with D | 0 | - | 4.96 | 700,889 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,757 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,978 |
| Countries that Start with H | 0 | - | 4.96 | 597,397 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,631 |
| Countries that Start with J | 0 | - | 4.98 | 595,465 |
| Countries that Start with K | 0 | - | 4.96 | 808,909 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,301 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,154 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,983 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,697 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,726 |
| Countries that Start with U | 0 | - | 4.97 | 899,575 |
| Countries that Start with V | 0 | - | 4.98 | 604,757 |
| Countries that Start with F | 0 | - | 4.83 | 611,746 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,675 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,311 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,166 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 136,878 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,924 |
| Orthodox Countries | 0 | - | 4.91 | 130,300 |
| Richest Island Countries | 0 | - | 4.84 | 99,438 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,832 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,962 |
| Battle to Country | 0 | - | 4.91 | 52,468 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,364 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,648 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,173 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,327 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,499 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,402 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,100 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,025 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 160,802 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,212 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,247 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,586 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,170 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,233 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 79,972 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,502 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 84,981 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,199 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,074 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,400 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,494 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,585 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,874 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,863 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,652 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,524 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,804 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,379 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,676 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,952 |
| Countries with Megacities | 0 | - | 4.99 | 246,393 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,864 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,774 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,321 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,725 |
| Countries by Official Language | 0 | - | 4.95 | 192,657 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,970 |
| Countries in their Native Language | 0 | - | 4.99 | 196,525 |
| Independence from Whom | 0 | - | 4.99 | 209,552 |
| Subdivisions by Country | 0 | - | 4.86 | 50,041 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,635 |
| Megadiverse Countries | 0 | - | 4.97 | 133,851 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,699 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,895 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,392 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,846 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,580 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,958 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,637 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,093 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,193 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,726 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,453 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,383 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,455 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,471 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,635 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,997 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,030 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,731 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,419 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,275 |
| World Map Quiz | 0 | - | 4.81 | 63,414 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,518 |
