| All Country Flags of the World | 0 | - | 5.00 | 3,674,415 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,008 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,811 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,073 |
| Flags with Crescents | 0 | - | 4.98 | 169,913 |
| Country Flag Trivia | 0 | - | 4.81 | 57,227 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,000 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,700 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,654 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,418 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,972 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,087 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,292 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,796 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,515 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,626 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,332 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,522 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,754 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,684 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,674 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,700 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,793 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,573 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,227 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,661 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,795 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,197 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,489 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,581 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,921 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,113 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,216 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,073 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,538 |
| Flags of North and South America | 0 | - | 4.99 | 373,845 |
| Flags to Languages | 0 | - | 4.95 | 173,829 |
| Former Flags | 0 | - | 4.97 | 107,887 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,009 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,637 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,577 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,029 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,848 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,851 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,255 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,721 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,749 |
| Flag Maths | 0 | - | 4.64 | 57,778 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,078 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,803 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,034 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,828 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,533 |
| World Coats of Arms | 0 | - | 4.99 | 64,645 |
| Similar Flags #1 | 0 | - | 4.75 | 130,193 |
| Similar Flags #2 | 0 | - | 4.74 | 137,485 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,771 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,935 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 171,802 |
| Emoji Flags | 0 | - | 4.35 | 44,138 |
| Countries by Road Signs | 0 | - | 4.98 | 53,965 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,702 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,320 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,233 |
| Select the World Flags | 0 | - | 4.27 | 37,812 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,095 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,966 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,521 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,210 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,294 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,977 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,554 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,758 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,844 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,955 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,890 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,877 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,167 |
| Pixelated World Map | 0 | - | 5.00 | 143,546 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,499 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,256 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,649 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,248 |
| Boundary Waters | 0 | - | 4.92 | 88,530 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,221 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,213 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,622 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,551 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,518 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,222 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,100 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,622 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,070 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,515 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,076 |
| Geography by Picture - B | 0 | - | 4.42 | 55,654 |
| Geography by Picture - H | 0 | - | 4.50 | 58,266 |
| Geography by Picture - N | 0 | - | 4.45 | 42,235 |
| Geography by Picture - R | 0 | - | 4.56 | 41,060 |
| Geography by Picture - T | 0 | - | 4.54 | 57,885 |
| Flags of Oceania | 0 | - | 5.00 | 260,053 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,571 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,117 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,978 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,337 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,925 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,543,969 |
| Flags of WW1 | 0 | - | 4.60 | 38,457 |
| Landlocked Countries | 0 | - | 4.99 | 421,491 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,383 |
| Satellite Images #1 | 0 | - | 4.47 | 129,443 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,367 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,965 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,986 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,024 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,117 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,836 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,682 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,974 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,337 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,334 |
| World Capitals Quiz | 0 | - | 5.00 | 5,080,431 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,204 |
| Himalayan Countries | 0 | - | 4.95 | 138,499 |
| Andean Countries | 0 | - | 4.93 | 84,486 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,670 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,663 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,301 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,710 |
| Danube Countries | 0 | - | 4.97 | 71,947 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,940 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,366 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,193 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,661 |
| European Landlocked Countries | 0 | - | 4.99 | 147,074 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,542 |
| Countries with the Most Species | 0 | - | 4.99 | 103,182 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,683 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,554 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,696 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,503 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,182 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,603 |
| Countries in the Alps | 0 | - | 4.87 | 118,129 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,744 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,946 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,611 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,549 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,436 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,906 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,610 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,449 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,152 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,798 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,619 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,485 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,174 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,424 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,474 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,774 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,264 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 62,717 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,983 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,697 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,954 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,177 |
| Largest Countries By Category | 0 | - | 4.97 | 158,121 |
| Countries by Countries | 0 | - | 4.96 | 63,139 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,621 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,263 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,552 |
| Merged Country Flags | 0 | - | 4.88 | 106,906 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,441 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,940 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,773 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,628 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,775,237 |
| Merged Countries #2 | 0 | - | 4.96 | 99,203 |
| Merged Countries #6 | 0 | - | 4.90 | 73,405 |
| Merged Countries #7 | 0 | - | 4.93 | 82,747 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,672 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,836 |
| Geography by Picture - A | 0 | - | 4.39 | 60,301 |
| Geography by Picture - D | 0 | - | 4.15 | 45,691 |
| Geography by Picture - F | 0 | - | 4.31 | 51,052 |
| Geography by Picture - G | 0 | - | 4.39 | 47,982 |
| Geography by Picture - J | 0 | - | 4.16 | 38,496 |
| Geography by Picture - K | 0 | - | 4.29 | 33,161 |
| Geography by Picture - C | 0 | - | 4.31 | 57,114 |
| Geography by Picture - L | 0 | - | 4.37 | 59,023 |
| Geography by Picture - M | 0 | - | 4.14 | 40,491 |
| Geography by Picture - P | 0 | - | 4.24 | 42,464 |
| Geography by Picture - S | 0 | - | 4.38 | 47,072 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,464 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,474 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,894 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,874 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,265 |
| Longest International Borders | 0 | - | 4.99 | 265,120 |
| Countries with Three Borders | 0 | - | 4.96 | 36,580 |
