| Pixelated World Map | 0 | - | 5.00 | 130,618 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 86,393 |
| Countries by Road Signs | 0 | - | 4.98 | 46,300 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,470,213 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,802 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,473 |
| Pixelated Europe Map | 0 | - | 4.90 | 111,020 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 104,801 |
| Countries of the World in 1900 | 0 | - | 4.88 | 68,506 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 173,663 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 130,804 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,772,437 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,484 |
| World Map without 12 Countries | 0 | - | 4.97 | 318,687 |
| Save Humanity by Guessing Countries | 0 | - | 4.99 | 376,733 |
| Country Shape Quiz #1 | 0 | - | 4.91 | 845,931 |
| Country Shape Quiz #2 | 0 | - | 4.97 | 380,338 |
| Every Country Shape | 0 | - | 5.00 | 391,459 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 131,563 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,659 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,970 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 114,981 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 90,398 |
| Flags with the Most Stars | 0 | - | 4.90 | 108,375 |
| Flags that are Red & White Only | 0 | - | 4.97 | 132,419 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 127,894 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 37,536 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,579 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 44,467 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,173,036 |
| Country Flags with the Most Red | 0 | - | 4.97 | 93,714 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 81,111 |
| Country Flags with the Most Green | 0 | - | 4.95 | 81,794 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 83,240 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 89,303 |
| Country Flags with the Most Black | 0 | - | 4.94 | 87,737 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 56,123 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,564 |
| Countries of Europe in 1444 | 0 | - | 4.93 | 88,693 |
| Countries of the World in 1444 | 0 | - | 4.98 | 51,001 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.81 | 50,528 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,818 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 63,701 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 49,427 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,871 |
| World Coats of Arms | 0 | - | 4.99 | 56,709 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,229,688 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 71,574 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 82,712 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,000 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 226,170 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,225 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 280,188 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 35,080 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 148,007 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,787 |
| Members of the Arab League | 0 | - | 4.86 | 66,342 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,529 |
| Himalayan Countries | 0 | - | 4.94 | 108,476 |
| Andean Countries | 0 | - | 4.91 | 60,237 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,415 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,872 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,495 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,861 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,280 |
| Danube Countries | 0 | - | 4.96 | 57,242 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,254 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,311 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,741 |
| Countries with the Worst Passports | 0 | - | 4.88 | 50,431 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,068 |
| European Landlocked Countries | 0 | - | 4.99 | 137,127 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,831 |
| Countries with the Most Species | 0 | - | 4.99 | 89,863 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,370 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,032 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,324 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,080 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,894 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,142 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,942 |
| Countries in the Alps | 0 | - | 4.84 | 103,895 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,461 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,580 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,300 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,397 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,920 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,366 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 153,777 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 123,093 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,575 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,787 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,708 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,438 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,195 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,040 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,035 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,596 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,690 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,263 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,618 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,975 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,065 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,702 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,460 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,851 |
| Largest Countries By Category | 0 | - | 4.97 | 146,475 |
| Countries by Countries | 0 | - | 4.95 | 55,632 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 70,200 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,584 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,215 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,144 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 62,272 |
| All Countries by Population With a Map | 0 | - | 4.99 | 65,071 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 78,032 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 28,498 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,647 |
| Country Shape Quiz #3 | 0 | - | 4.92 | 270,131 |
| Country Shape Quiz #4 | 0 | - | 4.92 | 199,877 |
| Country Shape Quiz #5 | 0 | - | 4.92 | 140,985 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 92,706 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 100,992 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 111,017 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 99,001 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 73,339 |
| Country Shapes in the World Map #7 | 0 | - | 4.98 | 50,810 |
| Country Shapes in the World Map #5 | 0 | - | 4.97 | 77,562 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 87,694 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 70,330 |
| A Square of Merged Countries #1 | 0 | - | 4.89 | 52,340 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 103,537 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 27,160 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 345,146 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 362,735 |
| Island Countries Quiz | 0 | - | 4.99 | 668,760 |
| Random Flag to Country | 0 | - | 4.99 | 516,095 |
| Biggest Countries by Area | 0 | - | 5.00 | 947,701 |
| Northernmost Countries | 0 | - | 4.99 | 330,961 |
| Countries of South America | 0 | - | 5.00 | 810,148 |
| Countries of Oceania | 0 | - | 5.00 | 913,945 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,611,807 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 81,251 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 93,405 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 70,301 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 67,238 |
| Countries Connected in the World Map #3 | 0 | - | 4.96 | 66,710 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 143,258 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 65,430 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 49,042 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,298,964 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 95,114 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,285 |
| Pixelated Americas Map | 0 | - | 4.42 | 42,785 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,329,007 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,408 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,068 |
| Countries with Megacities | 0 | - | 4.99 | 201,879 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,407 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,974 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,270 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,893 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,092 |
| Countries by Official Language | 0 | - | 4.96 | 175,265 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 253,287 |
| Countries in their Native Language | 0 | - | 4.98 | 180,612 |
| Independence from Whom | 0 | - | 4.99 | 189,396 |
| Subdivisions by Country | 0 | - | 4.84 | 46,897 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 115,654 |
| Megadiverse Countries | 0 | - | 4.96 | 126,810 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 93,940 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,594 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,827 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 133,358 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,897 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,656 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 146,046 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,725 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,859 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,086 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,274 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,949 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 69,405 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 66,035 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,117,644 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 86,550 |
| World Map Quiz | 0 | - | 4.90 | 51,466 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 118,545 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,742 |
| Random Country Dots on an Empty World Map | 0 | - | 4.65 | 79,910 |
| Countries of the World With a Disappearing Map | 0 | - | 5.00 | 91,680 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.86 | 53,475 |
| Countries by Sports in 60 Seconds | 0 | - | 4.89 | 111,874 |
| Countries by Founding Story | 0 | - | 4.93 | 55,916 |
| Countries That Do Not Border | 0 | - | 4.99 | 49,342 |
| Pixelated Country Shapes #1 | 0 | - | 4.75 | 70,489 |
| Pixelated Country Shapes #2 | 0 | - | 4.75 | 65,851 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,781 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,839 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 109,981 |
