| All Country Flags of the World | 0 | - | 5.00 | 3,601,385 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,215 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,333 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,615 |
| Flags with Crescents | 0 | - | 4.98 | 167,537 |
| Country Flag Trivia | 0 | - | 4.81 | 55,918 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,404 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,444 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,893 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,023 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,722 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,194 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,865 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,357 |
| Flags that are Red & White Only | 0 | - | 4.97 | 160,742 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,622 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,122 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,606 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,621 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,371 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,724 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,779 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,567 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,277 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,806 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,259 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,666 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,752 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,381 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,687 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,739 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,963 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,031 |
| Flags of North and South America | 0 | - | 4.99 | 367,136 |
| Flags to Languages | 0 | - | 4.95 | 172,471 |
| Former Flags | 0 | - | 4.97 | 106,671 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,618 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,153 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,781 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,572 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,698 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,368 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,057 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,619 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,517 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,439 |
| Flag Maths | 0 | - | 4.78 | 57,675 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,347 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,951 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,440 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,353 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,274 |
| World Coats of Arms | 0 | - | 4.99 | 63,850 |
| Similar Flags #1 | 0 | - | 4.74 | 129,089 |
| Similar Flags #2 | 0 | - | 4.74 | 136,356 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,378 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,777 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,886 |
| Emoji Flags | 0 | - | 4.35 | 43,812 |
| Countries by Road Signs | 0 | - | 4.98 | 53,094 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,025 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,991 |
| Select the World Flags | 0 | - | 4.27 | 37,401 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,292 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,559 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,034 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,677 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,815 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,677 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,222 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,366 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,976 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,385 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,801 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,468 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,480 |
| Pixelated World Map | 0 | - | 5.00 | 142,425 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,268 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,378 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,688 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,929 |
| Boundary Waters | 0 | - | 4.92 | 88,036 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,810 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,274 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,277 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,828 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,728 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,270 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,906 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,036 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,560 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,148 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,914 |
| Geography by Picture - B | 0 | - | 4.42 | 55,408 |
| Geography by Picture - H | 0 | - | 4.49 | 58,041 |
| Geography by Picture - N | 0 | - | 4.45 | 42,045 |
| Geography by Picture - R | 0 | - | 4.55 | 40,876 |
| Geography by Picture - T | 0 | - | 4.54 | 57,674 |
| Flags of Oceania | 0 | - | 5.00 | 255,163 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,844 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,431 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,063 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,400 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,795 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,912,031 |
| Flags of WW1 | 0 | - | 4.60 | 37,934 |
| Landlocked Countries | 0 | - | 4.99 | 413,512 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,759 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 129,002 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,980 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,647 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,646 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,806 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,353 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,739 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,157 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,990 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,603 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,968 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,817 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,546 |
| Himalayan Countries | 0 | - | 4.95 | 135,324 |
| Andean Countries | 0 | - | 4.94 | 82,807 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,204 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,175 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,883 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,586 |
| Danube Countries | 0 | - | 4.97 | 71,068 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,746 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,528 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,452 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,372 |
| European Landlocked Countries | 0 | - | 4.99 | 145,742 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,186 |
| Countries with the Most Species | 0 | - | 4.99 | 95,236 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,323 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,365 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,951 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,569 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,944 |
| Countries in the Alps | 0 | - | 4.86 | 116,804 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,551 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,241 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,997 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,410 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,149 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,992 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,559 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,743 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,235 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,041 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,193 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,038 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,447 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,731 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,743 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,038 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,632 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,760 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,231 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,651 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,597 |
| Largest Countries By Category | 0 | - | 4.97 | 156,743 |
| Countries by Countries | 0 | - | 4.96 | 62,249 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,370 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,961 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,330 |
| Merged Country Flags | 0 | - | 4.88 | 106,005 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,650 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,093 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,047 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,757 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,850 |
| Merged Countries #2 | 0 | - | 4.96 | 98,470 |
| Merged Countries #6 | 0 | - | 4.91 | 72,702 |
| Merged Countries #7 | 0 | - | 4.92 | 81,951 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,701 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,484 |
| Geography by Picture - A | 0 | - | 4.39 | 60,048 |
| Geography by Picture - D | 0 | - | 4.15 | 45,490 |
| Geography by Picture - F | 0 | - | 4.31 | 50,822 |
| Geography by Picture - G | 0 | - | 4.38 | 47,784 |
| Geography by Picture - J | 0 | - | 4.16 | 38,333 |
| Geography by Picture - K | 0 | - | 4.28 | 33,012 |
| Geography by Picture - C | 0 | - | 4.31 | 56,904 |
| Geography by Picture - L | 0 | - | 4.37 | 58,756 |
| Geography by Picture - M | 0 | - | 4.14 | 40,343 |
| Geography by Picture - P | 0 | - | 4.24 | 42,297 |
| Geography by Picture - S | 0 | - | 4.38 | 46,907 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,545 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,227 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,437 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,390 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,615 |
| Longest International Borders | 0 | - | 4.99 | 263,533 |
| Countries with Three Borders | 0 | - | 4.96 | 36,178 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,596 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,662 |
