| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,200 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,479 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,991 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,999 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,918 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,602 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,696 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,266 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,255 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,135 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,286 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,376 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,144 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,849 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,310 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,598 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,976 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,220 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,520 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,739 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,839 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,324 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,839 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,260 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,986 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,603 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,618 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,876 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,769 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,514 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,988 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,919 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,955 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,805 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,221 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,177 |
| Every Country Shape | 0 | - | 5.00 | 463,270 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,732 |
| Flags of North and South America | 0 | - | 4.99 | 371,546 |
| Former Flags | 0 | - | 4.97 | 107,412 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,276 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,262 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,731 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,852 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,202 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,480 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,161 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,801 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,000 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,208 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,244 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,902 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,091 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,457 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,994 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,525 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,041 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,544 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,356 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,483 |
| Flags of Oceania | 0 | - | 5.00 | 257,881 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,828 |
| Countries by Road Signs | 0 | - | 4.98 | 53,592 |
| Similar Flags #1 | 0 | - | 4.74 | 129,710 |
| Similar Flags #2 | 0 | - | 4.74 | 137,020 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,199 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,869 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,136 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,163 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,306 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,906 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,880 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,600 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,484 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,122 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,217 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 30,195 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,292,153 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,256 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 126,196 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,293 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,758 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,263 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,081 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,898 |
| Merged Countries #2 | 0 | - | 4.96 | 98,860 |
| Merged Countries #6 | 0 | - | 4.90 | 73,091 |
| Merged Countries #7 | 0 | - | 4.93 | 82,411 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,288,055 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,545,054 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,185 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,319 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,700 |
| Pixelated World Map | 0 | - | 5.00 | 143,087 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,643 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,428 |
| World Coats of Arms | 0 | - | 4.99 | 64,288 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,133 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,730 |
| Random Country Shape to Country | 0 | - | 4.90 | 112,674 |
| Landlocked Countries | 0 | - | 4.99 | 418,233 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 86,191 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 183,531 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 184,083 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,752,794 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 521,070 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 336,343 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,714,735 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,428 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,346 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,411 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,760 |
| Island Countries | 0 | - | 4.99 | 709,469 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,627 |
| Himalayan Countries | 0 | - | 4.94 | 137,115 |
| Andean Countries | 0 | - | 4.95 | 83,777 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,018 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,397 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,694 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,255 |
| Danube Countries | 0 | - | 4.97 | 71,583 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,449 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,986 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,521 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,579 |
| European Landlocked Countries | 0 | - | 4.99 | 146,695 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,024 |
| Countries with the Most Species | 0 | - | 4.99 | 102,811 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,159 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,400 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,261 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,932 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,310 |
| Countries in the Alps | 0 | - | 4.87 | 117,586 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,064 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,245 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,370 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,913 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,021 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,395 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,189 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,131 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,929 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,493 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,443 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,302 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,875 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,137 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,161 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,040 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,013 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,536 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,427 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,990 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,070 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,944 |
| Largest Countries By Category | 0 | - | 4.97 | 157,536 |
| Countries by Countries | 0 | - | 4.96 | 62,778 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,374,230 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,121 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,138 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,455 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,292 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.97 | 98,582 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,263 |
| Every American Country by Shape | 0 | - | 4.79 | 37,195 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 125,973 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,323 |
| Northernmost Countries | 0 | - | 4.99 | 360,179 |
| Countries of South America | 0 | - | 5.00 | 922,101 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,954 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,864,439 |
| "Land" Countries | 0 | - | 4.98 | 335,640 |
| Cross Flags of Europe | 0 | - | 4.43 | 298,229 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 75,325 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,362 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,486 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,776 |
| Countries with Megacities | 0 | - | 4.99 | 249,972 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,630 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,852 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,937 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,829 |
| Countries by Official Language | 0 | - | 4.95 | 194,510 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,358 |
| Countries in their Native Language | 0 | - | 4.99 | 198,076 |
| Independence from Whom | 0 | - | 4.99 | 211,181 |
| Subdivisions by Country | 0 | - | 4.86 | 50,262 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,601 |
| Megadiverse Countries | 0 | - | 4.96 | 134,719 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,194 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,152 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,719 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,999 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,642 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,331 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,873 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,790 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,456 |