| All Country Flags of the World | 0 | - | 5.00 | 3,594,892 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,757 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,687 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,155 |
| Flags with Crescents | 0 | - | 4.98 | 167,308 |
| Country Flag Trivia | 0 | - | 4.81 | 55,795 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,255 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,347 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,746 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,943 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,425 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 113,935 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,518 |
| Flags that are Red & White Only | 0 | - | 4.97 | 152,713 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 144,334 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,341 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,442 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,441 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,118 |
| Country Flags with the Most Blue | 0 | - | 4.87 | 91,567 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,639 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,450 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,141 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,707 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,191 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,603 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,677 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,281 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,590 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,630 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,854 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,974 |
| Flags of North and South America | 0 | - | 4.99 | 365,654 |
| Flags to Languages | 0 | - | 4.95 | 172,350 |
| Former Flags | 0 | - | 4.97 | 106,537 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,555 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,137 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,676 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,439 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,658 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,612 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,986 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,539 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,379 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,329 |
| Flag Maths | 0 | - | 4.78 | 57,664 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,233 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,901 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,396 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,321 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,254 |
| World Coats of Arms | 0 | - | 4.99 | 63,789 |
| Country Flags with the Southern Cross | 0 | - | 4.78 | 61,288 |
| Similar Flags #1 | 0 | - | 4.74 | 128,974 |
| Similar Flags #2 | 0 | - | 4.74 | 136,241 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,236 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,648 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,677 |
| Emoji Flags | 0 | - | 4.35 | 43,789 |
| Countries by Road Signs | 0 | - | 4.98 | 52,992 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,954 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,950 |
| Select the World Flags | 0 | - | 4.27 | 37,361 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,214 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,518 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,991 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,641 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,771 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,651 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,189 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,308 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,944 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,334 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,706 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,315 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,574 |
| Pixelated World Map | 0 | - | 5.00 | 142,019 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,298 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,293 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,613 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,910 |
| Boundary Waters | 0 | - | 4.92 | 87,993 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,183 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,142 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,768 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,657 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,195 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,886 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,015 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,515 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,130 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,896 |
| Geography by Picture - B | 0 | - | 4.42 | 55,386 |
| Geography by Picture - H | 0 | - | 4.49 | 58,019 |
| Geography by Picture - N | 0 | - | 4.45 | 42,032 |
| Geography by Picture - R | 0 | - | 4.55 | 40,866 |
| Geography by Picture - T | 0 | - | 4.54 | 57,650 |
| Flags of Oceania | 0 | - | 5.00 | 254,648 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,663 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,359 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,967 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,297 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,658 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,857,889 |
| Flags of WW1 | 0 | - | 4.60 | 37,881 |
| Landlocked Countries | 0 | - | 4.99 | 412,936 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 550,803 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,959 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,954 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,616 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,617 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,777 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,285 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,733 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,113 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,912 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,481 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,847 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,134 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,274 |
| Himalayan Countries | 0 | - | 4.95 | 135,076 |
| Andean Countries | 0 | - | 4.94 | 82,679 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,093 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,011 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,777 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,486 |
| Danube Countries | 0 | - | 4.97 | 71,009 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,648 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,465 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,305 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,224 |
| European Landlocked Countries | 0 | - | 4.99 | 145,677 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,066 |
| Countries with the Most Species | 0 | - | 4.99 | 95,195 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,215 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,335 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,913 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,521 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,876 |
| Countries in the Alps | 0 | - | 4.87 | 116,698 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,483 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,097 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,949 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,335 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,072 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,940 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,479 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,692 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,088 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,976 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,166 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,001 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,370 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,683 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,680 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,893 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,574 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,207 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,686 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,877 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,400 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,547 |
| Largest Countries By Category | 0 | - | 4.97 | 156,634 |
| Countries by Countries | 0 | - | 4.96 | 62,175 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,237 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,936 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,307 |
| Merged Country Flags | 0 | - | 4.88 | 105,925 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,414 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,014 |
| Colourful Countries of the World | 0 | - | 4.99 | 58,979 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,664 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,454 |
| Merged Countries #2 | 0 | - | 4.96 | 98,397 |
| Merged Countries #6 | 0 | - | 4.91 | 72,648 |
| Merged Countries #7 | 0 | - | 4.93 | 81,896 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,641 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,458 |
| Geography by Picture - A | 0 | - | 4.39 | 60,023 |
| Geography by Picture - D | 0 | - | 4.15 | 45,468 |
| Geography by Picture - F | 0 | - | 4.31 | 50,808 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,315 |
| Geography by Picture - K | 0 | - | 4.28 | 32,996 |
| Geography by Picture - C | 0 | - | 4.31 | 56,892 |
| Geography by Picture - L | 0 | - | 4.37 | 58,732 |
| Geography by Picture - M | 0 | - | 4.14 | 40,328 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,894 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,488 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,214 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,403 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,170 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,553 |
| Longest International Borders | 0 | - | 4.99 | 263,386 |
| Countries with Three Borders | 0 | - | 4.96 | 36,135 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,562 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,610 |
