| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,225 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,896 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,393 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,368 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 113,889 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,479 |
| Flags that are Red & White Only | 0 | - | 4.97 | 150,011 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 144,282 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,244 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,417 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,407 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,078 |
| Country Flags with the Most Blue | 0 | - | 4.87 | 91,543 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,620 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,436 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,127 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,683 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,182 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,594 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,267 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,568 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,608 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,832 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,315 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,254 |
| World Coats of Arms | 0 | - | 4.99 | 63,785 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,967 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,538 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,657 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,417 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,654 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,516 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,853,083 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,977 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,532 |
| Landlocked Countries | 0 | - | 4.99 | 412,896 |
| Merged Countries #2 | 0 | - | 4.96 | 98,389 |
| Merged Countries #6 | 0 | - | 4.91 | 72,643 |
| Merged Countries #7 | 0 | - | 4.93 | 81,889 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,039 |
| Pixelated World Map | 0 | - | 5.00 | 141,886 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 903,468 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,269 |
| Every Country Shape | 0 | - | 5.00 | 458,006 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,943 |
| Flags of North and South America | 0 | - | 4.99 | 365,527 |
| Former Flags | 0 | - | 4.97 | 106,530 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,242 |
| Himalayan Countries | 0 | - | 4.95 | 135,060 |
| Andean Countries | 0 | - | 4.94 | 82,668 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,085 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,996 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,764 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,470 |
| Danube Countries | 0 | - | 4.97 | 71,003 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,637 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,458 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,294 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,199 |
| European Landlocked Countries | 0 | - | 4.99 | 145,670 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,054 |
| Countries with the Most Species | 0 | - | 4.99 | 95,187 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,198 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,174 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,334 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,908 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,513 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,869 |
| Countries in the Alps | 0 | - | 4.87 | 116,686 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,474 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,085 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,942 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,327 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,069 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,940 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,474 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,684 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,697 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,973 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,166 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,999 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,365 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,675 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,676 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,868 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,571 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,201 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,668 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,847 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,377 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,542 |
| Largest Countries By Category | 0 | - | 4.97 | 156,619 |
| Countries by Countries | 0 | - | 4.96 | 62,168 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,221 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,934 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,658 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,634 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,035 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,837 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,003 |
| Island Countries | 0 | - | 4.99 | 707,246 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,988 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,639 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,768 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,650 |
| Country Flags with the Southern Cross | 0 | - | 4.78 | 61,281 |
| Similar Flags #1 | 0 | - | 4.74 | 128,964 |
| Similar Flags #2 | 0 | - | 4.74 | 136,232 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,189 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,370 |
| Northernmost Countries | 0 | - | 4.99 | 357,259 |
| Countries of South America | 0 | - | 5.00 | 913,405 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,656 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,230 |
| "Land" Countries | 0 | - | 4.98 | 333,424 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,300 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,939 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,263 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,046 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 136,776 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,094 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,917 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 293,872 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 223,831 |
| Country Shapes Quiz #5 | 0 | - | 4.92 | 159,089 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,038 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,190 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,529 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,118 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,173 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 79,931 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,451 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 84,941 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,523 |
| All Country Flags of the World | 0 | - | 5.00 | 3,594,367 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,863 |
| Countries with Megacities | 0 | - | 4.99 | 246,199 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,781 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,738 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,251 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,673 |
| Countries by Official Language | 0 | - | 4.95 | 192,587 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,876 |
| Countries in their Native Language | 0 | - | 4.99 | 196,474 |
| Independence from Whom | 0 | - | 4.99 | 209,470 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,585 |
| Megadiverse Countries | 0 | - | 4.97 | 133,833 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,654 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,876 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,373 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,836 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,547 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,939 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,592 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,060 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,178 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,715 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,384 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,365 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,429 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,446 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,607 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,979 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,347 |
| World Map Quiz | 0 | - | 4.81 | 63,359 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,221 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,447 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,187 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,462 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,418 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,709 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,222 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,535 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 27,557 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,158 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,878 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,855 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,511 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,770 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,965 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,172 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,879 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,256 |
| Widest Countries East to West | 0 | - | 4.92 | 128,524 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,080 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,520 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,626 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,517 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,948 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,032 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,552 |
| Countries with Double Letters | 0 | - | 4.97 | 93,219 |
| Countries that End in N | 0 | - | 4.94 | 156,288 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,491 |
| Countries with Six Letters | 0 | - | 4.93 | 210,193 |
| Countries with W | 0 | - | 4.97 | 158,101 |
| Countries with Z | 0 | - | 4.98 | 287,419 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,431 |
