| All Country Flags of the World | 0 | - | 5.00 | 3,720,159 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,033 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,795 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,860 |
| Flags with Crescents | 0 | - | 4.98 | 171,564 |
| Country Flag Trivia | 0 | - | 4.82 | 58,203 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,054 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,551 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,763 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,066 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,088 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,572 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,501 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,500 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,081 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,288 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,734 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,460 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,809 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,502 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,449 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,461 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,376 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,436 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,228 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,827 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,237 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,161 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,529 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,989 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,140 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,492 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,746 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,821 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,787 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,821 |
| Flags of North and South America | 0 | - | 4.99 | 377,581 |
| Flags to Languages | 0 | - | 4.95 | 174,630 |
| Former Flags | 0 | - | 4.97 | 108,720 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,275 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,092 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,071 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,259 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,835 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,347 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,658 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,456 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,571 |
| Flag Maths | 0 | - | 4.61 | 57,856 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,971 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,231 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,315 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,107 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,671 |
| World Coats of Arms | 0 | - | 4.99 | 65,260 |
| Similar Flags #1 | 0 | - | 4.75 | 130,880 |
| Similar Flags #2 | 0 | - | 4.74 | 138,150 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,682 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,933 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,863 |
| Emoji Flags | 0 | - | 4.35 | 44,309 |
| Countries by Road Signs | 0 | - | 4.98 | 54,405 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,222 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,577 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,542 |
| Select the World Flags | 0 | - | 4.28 | 38,016 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,612 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,199 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,808 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,527 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,572 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,163 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,743 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,491 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,091 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,240 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,079 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,919 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,247 |
| Pixelated World Map | 0 | - | 5.00 | 144,182 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,484 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,750 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,265 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,443 |
| Boundary Waters | 0 | - | 4.92 | 88,810 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,435 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,775 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,454 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,022 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,042 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,534 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,446 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,824 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,414 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,722 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,246 |
| Geography by Picture - B | 0 | - | 4.42 | 55,813 |
| Geography by Picture - H | 0 | - | 4.50 | 58,409 |
| Geography by Picture - N | 0 | - | 4.45 | 42,374 |
| Geography by Picture - R | 0 | - | 4.56 | 41,173 |
| Geography by Picture - T | 0 | - | 4.54 | 58,024 |
| Flags of Oceania | 0 | - | 5.00 | 263,130 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,725 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,588 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,529 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,837 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,558 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,933,000 |
| Flags of WW1 | 0 | - | 4.60 | 38,740 |
| Landlocked Countries | 0 | - | 4.99 | 426,758 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,642 |
| Satellite Images #1 | 0 | - | 4.46 | 130,037 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,735 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,426 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,279 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,247 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,622 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,906 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,964 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,470 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,084 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,125 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,599 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,675 |
| Himalayan Countries | 0 | - | 4.93 | 140,608 |
| Andean Countries | 0 | - | 4.94 | 85,679 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,815 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,316 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,374 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,599 |
| Danube Countries | 0 | - | 4.97 | 72,497 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,718 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,919 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,328 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,779 |
| European Landlocked Countries | 0 | - | 4.99 | 147,688 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,442 |
| Countries with the Most Species | 0 | - | 4.99 | 103,615 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,553 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,798 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,928 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,893 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,636 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,091 |
| Countries in the Alps | 0 | - | 4.87 | 118,893 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,849 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,031 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,027 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,118 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,064 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,340 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,507 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,951 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,481 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,266 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,928 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,803 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,627 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,872 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,973 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,050 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,677 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,901 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,772 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,040 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,351 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,575 |
| Largest Countries By Category | 0 | - | 4.97 | 158,984 |
| Countries by Countries | 0 | - | 4.97 | 63,735 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,364 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,434 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,695 |
| Merged Country Flags | 0 | - | 4.88 | 107,436 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,245 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,492 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,211 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,181 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,029 |
| Merged Countries #2 | 0 | - | 4.96 | 99,929 |
| Merged Countries #4 | 0 | - | 4.81 | 94,163 |
| Merged Countries #6 | 0 | - | 4.90 | 73,864 |
| Merged Countries #7 | 0 | - | 4.93 | 83,209 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,543 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,015 |
| Geography by Picture - A | 0 | - | 4.39 | 60,462 |
| Geography by Picture - D | 0 | - | 4.15 | 45,808 |
| Geography by Picture - F | 0 | - | 4.31 | 51,212 |
| Geography by Picture - G | 0 | - | 4.39 | 48,102 |
| Geography by Picture - J | 0 | - | 4.16 | 38,620 |
| Geography by Picture - K | 0 | - | 4.29 | 33,273 |
| Geography by Picture - C | 0 | - | 4.31 | 57,259 |
| Geography by Picture - L | 0 | - | 4.37 | 59,157 |
| Geography by Picture - M | 0 | - | 4.14 | 40,600 |
| Geography by Picture - P | 0 | - | 4.24 | 42,590 |
| Geography by Picture - S | 0 | - | 4.38 | 47,197 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,850 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,643 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,214 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,282 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,621 |
