| All Country Flags of the World | 0 | - | 5.00 | 3,692,546 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,542,217 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,368 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,142 |
| Flags with Crescents | 0 | - | 4.98 | 170,679 |
| Country Flag Trivia | 0 | - | 4.81 | 57,625 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,421 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,021 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,090 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,652 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,664 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,240 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,697 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,813 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,347 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,867 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,130 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,824 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,067 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,073 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,004 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,003 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,977 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,056 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,856 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,470 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,909 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,937 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,340 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,696 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,826 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,191 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,383 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,469 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,398 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,673 |
| Flags of North and South America | 0 | - | 4.99 | 375,311 |
| Flags to Languages | 0 | - | 4.95 | 174,151 |
| Former Flags | 0 | - | 4.97 | 108,171 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,123 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,834 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,787 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,130 |
| 20 Random Country Flags | 0 | - | 4.99 | 616,245 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,077 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,417 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,019 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,069 |
| Flag Maths | 0 | - | 4.61 | 57,806 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,445 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,974 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,133 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,931 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,580 |
| World Coats of Arms | 0 | - | 4.99 | 64,853 |
| Similar Flags #1 | 0 | - | 4.75 | 130,454 |
| Similar Flags #2 | 0 | - | 4.74 | 137,755 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,116 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,543 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,246 |
| Emoji Flags | 0 | - | 4.35 | 44,207 |
| Countries by Road Signs | 0 | - | 4.98 | 54,164 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,875 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,407 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,812 |
| Select the World Flags | 0 | - | 4.27 | 37,883 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,302 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,049 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,626 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,325 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,402 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,046 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,630 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,993 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,961 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,098 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,151 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,252,000 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,444 |
| Pixelated World Map | 0 | - | 5.00 | 143,803 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,932 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,473 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,908 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,333 |
| Boundary Waters | 0 | - | 4.92 | 88,650 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,321 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,437 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,987 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,754 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,737 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,791 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,247 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,718 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,219 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,601 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,159 |
| Geography by Picture - B | 0 | - | 4.42 | 55,710 |
| Geography by Picture - H | 0 | - | 4.50 | 58,312 |
| Geography by Picture - N | 0 | - | 4.45 | 42,287 |
| Geography by Picture - R | 0 | - | 4.56 | 41,096 |
| Geography by Picture - T | 0 | - | 4.54 | 57,933 |
| Flags of Oceania | 0 | - | 5.00 | 261,387 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,035 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,276 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,218 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,562 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,180 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,698,199 |
| Flags of WW1 | 0 | - | 4.60 | 38,575 |
| Landlocked Countries | 0 | - | 4.99 | 423,403 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 581,918 |
| Satellite Images #1 | 0 | - | 4.47 | 129,554 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,458 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,039 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,064 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,076 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,322 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,863 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,796 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,172 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,636 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,667 |
| World Capitals Quiz | 0 | - | 5.00 | 5,092,222 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,173 |
| Himalayan Countries | 0 | - | 4.94 | 139,370 |
| Andean Countries | 0 | - | 4.94 | 84,956 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,172 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,339 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,741 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,055 |
| Danube Countries | 0 | - | 4.97 | 72,169 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,250 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,572 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,619 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,124 |
| European Landlocked Countries | 0 | - | 4.99 | 147,325 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,900 |
| Countries with the Most Species | 0 | - | 4.99 | 103,384 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,037 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,662 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,777 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,649 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,405 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,810 |
| Countries in the Alps | 0 | - | 4.87 | 118,430 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,923 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,364 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,785 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,767 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,678 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,070 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,865 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,638 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,273 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,991 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,743 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,612 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,355 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,604 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,678 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,263 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,435 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,004 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,298 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,721 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,534 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,343 |
| Largest Countries By Category | 0 | - | 4.97 | 158,478 |
| Countries by Countries | 0 | - | 4.96 | 63,400 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,934 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,337 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,603 |
| Merged Country Flags | 0 | - | 4.88 | 107,110 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,146 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,171 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,945 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,841 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,788,938 |
| Merged Countries #2 | 0 | - | 4.96 | 99,382 |
| Merged Countries #6 | 0 | - | 4.90 | 73,592 |
| Merged Countries #7 | 0 | - | 4.93 | 82,948 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,860 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,910 |
| Geography by Picture - A | 0 | - | 4.39 | 60,360 |
| Geography by Picture - D | 0 | - | 4.15 | 45,734 |
| Geography by Picture - F | 0 | - | 4.31 | 51,110 |
| Geography by Picture - G | 0 | - | 4.39 | 48,034 |
| Geography by Picture - J | 0 | - | 4.16 | 38,541 |
| Geography by Picture - K | 0 | - | 4.29 | 33,201 |
| Geography by Picture - C | 0 | - | 4.31 | 57,164 |
| Geography by Picture - L | 0 | - | 4.37 | 59,073 |
| Geography by Picture - M | 0 | - | 4.14 | 40,536 |
| Geography by Picture - P | 0 | - | 4.24 | 42,518 |
| Geography by Picture - S | 0 | - | 4.38 | 47,126 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,622 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,557 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,025 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,427 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,410 |
| Longest International Borders | 0 | - | 4.99 | 265,451 |
