| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,734 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,203 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,887 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,361 |
| Flags that are Red & White Only | 0 | - | 4.97 | 160,909 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,636 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,152 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,619 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,625 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,375 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,731 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,784 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,572 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,287 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,813 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,263 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,672 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,388 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,693 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,745 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,970 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,034 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,620 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,789 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,396 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,036 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,578 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,782 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,703 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,405 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,061 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,625 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,565 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,519 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,355 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 904,176 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,822 |
| Every Country Shape | 0 | - | 5.00 | 458,909 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,315 |
| Flags of North and South America | 0 | - | 4.99 | 367,182 |
| Former Flags | 0 | - | 4.97 | 106,684 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,884 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,924 |
| World Map without 12 Countries #2 | 0 | - | 4.97 | 171,322 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,009 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,382 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,427 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,253 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 162,178 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,418 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,329 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,651 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,263 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,293 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,027 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,561 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,032 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,611 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,172 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 58,953 |
| Flags of Oceania | 0 | - | 5.00 | 255,183 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,852 |
| Countries by Road Signs | 0 | - | 4.98 | 53,098 |
| Similar Flags #1 | 0 | - | 4.74 | 129,091 |
| Similar Flags #2 | 0 | - | 4.74 | 136,359 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,600 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,315 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,575 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,535 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,805 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,602 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,288 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,946 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,750 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,614 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,522 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 28,061 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,226,035 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 100,830 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 125,556 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,801 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,505 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,024 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,828 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,651 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.86 | 52,876 |
| Merged Countries #2 | 0 | - | 4.96 | 98,476 |
| Merged Countries #6 | 0 | - | 4.91 | 72,706 |
| Merged Countries #7 | 0 | - | 4.92 | 81,957 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,915,375 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,536,023 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,357 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,957 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,445 |
| Pixelated World Map | 0 | - | 5.00 | 142,430 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,356 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,275 |
| World Coats of Arms | 0 | - | 4.99 | 63,853 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,808 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,383 |
| Random Country Shape to Country | 0 | - | 4.90 | 111,067 |
| Landlocked Countries | 0 | - | 4.99 | 413,550 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 85,544 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,852 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 181,954 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 182,800 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,151 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 518,287 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 334,201 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,705,382 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,808 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,859 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,098 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,818 |
| Island Countries | 0 | - | 4.99 | 707,596 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,562 |
| Himalayan Countries | 0 | - | 4.95 | 135,334 |
| Andean Countries | 0 | - | 4.94 | 82,813 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,206 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,192 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,887 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,592 |
| Danube Countries | 0 | - | 4.97 | 71,072 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,752 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,531 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,460 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,380 |
| European Landlocked Countries | 0 | - | 4.99 | 145,744 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,196 |
| Countries with the Most Species | 0 | - | 4.99 | 95,238 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,331 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,366 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,954 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,571 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,949 |
| Countries in the Alps | 0 | - | 4.86 | 116,815 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,555 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,246 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,999 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,413 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,154 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,995 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,569 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,743 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,267 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,044 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,193 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,040 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,449 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,736 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,746 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,051 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,635 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,765 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,250 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,663 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,599 |
| Largest Countries By Category | 0 | - | 4.97 | 156,749 |
| Countries by Countries | 0 | - | 4.96 | 62,251 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,362,181 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,376 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,961 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,330 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,661 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,096 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,759 |
| Every American Country by Shape | 0 | - | 4.79 | 37,080 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 125,274 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,382 |
| Northernmost Countries | 0 | - | 4.99 | 357,692 |
| Countries of South America | 0 | - | 5.00 | 914,607 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,338 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,848,114 |
| "Land" Countries | 0 | - | 4.98 | 333,636 |
| Cross Flags of Europe | 0 | - | 4.42 | 296,834 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 74,656 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,977 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,606 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,169 |
| Countries with Megacities | 0 | - | 4.99 | 246,838 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,086 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,948 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,506 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,838 |
| Countries by Official Language | 0 | - | 4.95 | 192,762 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,112 |
| Countries in their Native Language | 0 | - | 4.99 | 196,625 |
| Independence from Whom | 0 | - | 4.99 | 209,679 |
| Subdivisions by Country | 0 | - | 4.86 | 50,063 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,737 |
| Megadiverse Countries | 0 | - | 4.97 | 133,897 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,789 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,918 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,425 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,857 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,649 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,993 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,939 |