| Majority Muslim Countries | 0 | - | 4.98 | 368,580 |
| NATO Countries | 0 | - | 4.98 | 275,817 |
| EU Countries Quiz | 0 | - | 4.99 | 269,994 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,981 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,379 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,079 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,780 |
| Countries with NO Military | 0 | - | 4.97 | 61,187 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,912 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,926,205 |
| Landlocked Countries | 0 | - | 4.99 | 413,694 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,395 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,059 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 904,270 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,886 |
| Every Country Shape | 0 | - | 5.00 | 459,034 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,898 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,480 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,381 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,971 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,451 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,770 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,238 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,922 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,385 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,385 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,665 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,238 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,284 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,755 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,149 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,634 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,652 |
| Pixelated World Map | 0 | - | 5.00 | 142,452 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,397 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,746 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,819 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,587 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,307 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,938 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,677 |
| Buddhist Countries | 0 | - | 4.96 | 142,962 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,403 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,704 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,764 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,983 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,368 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,281 |
| World Coats of Arms | 0 | - | 4.99 | 63,871 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,109 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,535 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,045 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,627 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,798 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,414 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,620 |
| Himalayan Countries | 0 | - | 4.95 | 135,386 |
| Andean Countries | 0 | - | 4.94 | 82,835 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,227 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,227 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,917 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,619 |
| Danube Countries | 0 | - | 4.97 | 71,090 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,773 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,542 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,497 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,414 |
| European Landlocked Countries | 0 | - | 4.99 | 145,761 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,223 |
| Countries with the Most Species | 0 | - | 4.99 | 95,245 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,359 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,960 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,834 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,577 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,271 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,016 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,428 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,177 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,009 |
| World Map without 12 Countries #2 | 0 | - | 4.97 | 171,363 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,041 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,585 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,762 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,319 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,067 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,198 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,046 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,457 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,753 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,758 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,085 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,652 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,255 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,060 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,776 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,334 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,693 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,607 |
| Largest Countries By Category | 0 | - | 4.97 | 156,771 |
| Orthodox Countries | 0 | - | 4.91 | 130,402 |
| Countries by Countries | 0 | - | 4.96 | 62,263 |
| Richest Island Countries | 0 | - | 4.84 | 99,529 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,050 |
| Battle to Country | 0 | - | 4.91 | 52,537 |
| Monarchies of Europe | 0 | - | 4.90 | 97,337 |
| Monarchies of Asia | 0 | - | 4.97 | 70,612 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,606 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,870 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,362 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,396 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,470 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,597 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,775 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,435 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,500 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,299 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 162,350 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,470 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,353 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,673 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,287 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,314 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,045 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,576 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,053 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,290 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,181 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,508 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,559 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,656 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,160 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,961 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,727 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,029 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,030 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,463 |
| Countries that Start with D | 0 | - | 4.96 | 701,647 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,626 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,917 |
| Countries that Start with H | 0 | - | 4.96 | 598,041 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,359 |
| Countries that Start with J | 0 | - | 4.98 | 596,091 |
| Countries that Start with K | 0 | - | 4.97 | 809,472 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,962 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,829 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,639 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,629 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,284 |
| Countries that Start with U | 0 | - | 4.97 | 899,971 |
| Countries that Start with V | 0 | - | 4.98 | 605,142 |
| Countries that Start with F | 0 | - | 4.83 | 612,240 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,465 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,612 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,922 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,487 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,709 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,094 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,142 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,885 |
| Island Countries | 0 | - | 4.99 | 707,660 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,509 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,532 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,548 |
| Northernmost Countries | 0 | - | 4.99 | 357,765 |
| Countries of South America | 0 | - | 5.00 | 914,889 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,616 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,628 |
| "Land" Countries | 0 | - | 4.98 | 333,675 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,097 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,874 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,336 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,623 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,337 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,595 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,549 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,817 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,615 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 28,139 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,227,919 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,264 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,132 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,504 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,271 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,073 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,462 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,635 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,093 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,223 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,681 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,284 |
| Countries with Megacities | 0 | - | 4.99 | 247,003 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,162 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,003 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,586 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,905 |
