| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,262 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,915 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,412 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,543 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,038 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,662 |
| Flags that are Red & White Only | 0 | - | 4.97 | 157,809 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,449 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,622 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,509 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,521 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,231 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,621 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,706 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,495 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,180 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,741 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,219 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,628 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,312 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,626 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,666 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,899 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,332 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,258 |
| World Coats of Arms | 0 | - | 4.99 | 63,804 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,993 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,585 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,708 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,490 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,673 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,846 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,874,154 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,001 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,557 |
| Landlocked Countries | 0 | - | 4.99 | 413,111 |
| Merged Countries #2 | 0 | - | 4.96 | 98,416 |
| Merged Countries #6 | 0 | - | 4.91 | 72,662 |
| Merged Countries #7 | 0 | - | 4.92 | 81,910 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,158 |
| Pixelated World Map | 0 | - | 5.00 | 142,327 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 903,756 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,522 |
| Every Country Shape | 0 | - | 5.00 | 458,301 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,872 |
| Flags of North and South America | 0 | - | 4.99 | 366,206 |
| Former Flags | 0 | - | 4.97 | 106,569 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,362 |
| Himalayan Countries | 0 | - | 4.95 | 135,146 |
| Andean Countries | 0 | - | 4.94 | 82,719 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,140 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,065 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,809 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,508 |
| Danube Countries | 0 | - | 4.97 | 71,026 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,684 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,479 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,347 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,269 |
| European Landlocked Countries | 0 | - | 4.99 | 145,693 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,100 |
| Countries with the Most Species | 0 | - | 4.99 | 95,210 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,251 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,186 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,344 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,924 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,537 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,893 |
| Countries in the Alps | 0 | - | 4.87 | 116,737 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,502 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,146 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,965 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,358 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,092 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,952 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,504 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,708 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,792 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,003 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,009 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,395 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,700 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,944 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,588 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,216 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,715 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,973 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,459 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,561 |
| Largest Countries By Category | 0 | - | 4.97 | 156,666 |
| Countries by Countries | 0 | - | 4.96 | 62,200 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,284 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,943 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,697 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,682 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,295 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,925 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,227 |
| Island Countries | 0 | - | 4.99 | 707,373 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,001 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,651 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,787 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,659 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,297 |
| Similar Flags #1 | 0 | - | 4.74 | 129,018 |
| Similar Flags #2 | 0 | - | 4.74 | 136,277 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,200 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,733 |
| Northernmost Countries | 0 | - | 4.99 | 357,409 |
| Countries of South America | 0 | - | 5.00 | 913,837 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,200 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,243 |
| "Land" Countries | 0 | - | 4.98 | 333,490 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,332 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,957 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,304 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,154 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 136,869 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,755 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,954 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,078 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,014 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 160,637 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,197 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,239 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,583 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,165 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,231 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 79,968 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,500 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 84,977 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,555 |
| All Country Flags of the World | 0 | - | 5.00 | 3,596,805 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,935 |
| Countries with Megacities | 0 | - | 4.99 | 246,363 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,859 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,768 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,313 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,713 |
| Countries by Official Language | 0 | - | 4.95 | 192,644 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,960 |
| Countries in their Native Language | 0 | - | 4.99 | 196,520 |
| Independence from Whom | 0 | - | 4.99 | 209,545 |
| Subdivisions by Country | 0 | - | 4.86 | 50,041 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,628 |
| Megadiverse Countries | 0 | - | 4.97 | 133,848 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,691 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,893 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,385 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,846 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,577 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,956 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,631 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,089 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,191 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,726 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,446 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,381 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,454 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,470 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,633 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,996 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,414 |
| World Map Quiz | 0 | - | 4.81 | 63,408 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,362 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,512 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,239 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,506 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,463 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,741 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,252 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,558 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 27,756 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,216 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,916 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,881 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,575 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,802 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,996 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,207 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,900 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,283 |
| Widest Countries East to West | 0 | - | 4.92 | 128,550 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,199 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,128 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,534 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,645 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,548 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,972 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,037 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,557 |
| Countries with Double Letters | 0 | - | 4.97 | 93,269 |
| Countries that End in N | 0 | - | 4.94 | 156,332 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,543 |
| Countries with Six Letters | 0 | - | 4.93 | 210,243 |
| Countries with W | 0 | - | 4.97 | 158,147 |
| Countries with Z | 0 | - | 4.98 | 287,720 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,461 |
