| All Country Flags of the World | 0 | - | 5.00 | 3,725,219 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,886 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,294 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,154 |
| Flags with Crescents | 0 | - | 4.98 | 171,767 |
| Country Flag Trivia | 0 | - | 4.82 | 58,307 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,187 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,643 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,904 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,134 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,182 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,639 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,641 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,631 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,234 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,366 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,828 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,607 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,930 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,590 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,501 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,565 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,463 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,503 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,302 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,889 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,306 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,191 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,564 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,023 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,196 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,556 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,800 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,885 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,857 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,864 |
| Flags of North and South America | 0 | - | 4.99 | 378,136 |
| Flags to Languages | 0 | - | 4.95 | 174,702 |
| Former Flags | 0 | - | 4.97 | 108,827 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,306 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,148 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,107 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,285 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,438 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,400 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,684 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,536 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,691 |
| Flag Maths | 0 | - | 4.61 | 57,866 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,075 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,275 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,340 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,134 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,683 |
| World Coats of Arms | 0 | - | 4.99 | 65,326 |
| Similar Flags #1 | 0 | - | 4.75 | 130,961 |
| Similar Flags #2 | 0 | - | 4.74 | 138,244 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,796 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,999 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,977 |
| Emoji Flags | 0 | - | 4.35 | 44,332 |
| Countries by Road Signs | 0 | - | 4.98 | 54,455 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,287 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,600 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,681 |
| Select the World Flags | 0 | - | 4.28 | 38,042 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,665 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,232 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,837 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,552 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,596 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,184 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,760 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,547 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,119 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,261 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,164 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,391 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,935 |
| Pixelated World Map | 0 | - | 5.00 | 144,276 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,113 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,811 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,334 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,474 |
| Boundary Waters | 0 | - | 4.92 | 88,841 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,471 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,849 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,574 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,068 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,090 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,659 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,471 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,840 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,454 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,743 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,259 |
| Geography by Picture - B | 0 | - | 4.42 | 55,836 |
| Geography by Picture - H | 0 | - | 4.50 | 58,435 |
| Geography by Picture - N | 0 | - | 4.45 | 42,398 |
| Geography by Picture - R | 0 | - | 4.56 | 41,194 |
| Geography by Picture - T | 0 | - | 4.54 | 58,047 |
| Flags of Oceania | 0 | - | 5.00 | 263,495 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,866 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,661 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,593 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,887 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,623 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,974,991 |
| Flags of WW1 | 0 | - | 4.60 | 38,774 |
| Landlocked Countries | 0 | - | 4.99 | 427,307 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,049 |
| Satellite Images #1 | 0 | - | 4.46 | 130,111 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,880 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,466 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,307 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,275 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,681 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,911 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,997 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,523 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,176 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,196 |
| World Capitals Quiz | 0 | - | 5.00 | 5,114,288 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,946 |
| Himalayan Countries | 0 | - | 4.93 | 140,855 |
| Andean Countries | 0 | - | 4.94 | 85,816 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,929 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,509 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,473 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,702 |
| Danube Countries | 0 | - | 4.97 | 72,564 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,807 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,977 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,456 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,927 |
| European Landlocked Countries | 0 | - | 4.99 | 147,772 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,547 |
| Countries with the Most Species | 0 | - | 4.99 | 103,652 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,649 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,816 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,955 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,929 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,683 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,139 |
| Countries in the Alps | 0 | - | 4.87 | 118,986 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,014 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,144 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,056 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,180 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,132 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,395 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,603 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,999 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,517 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,317 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,955 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,832 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,681 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,930 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,027 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,157 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,741 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,504 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,849 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,339 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,512 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,620 |
| Largest Countries By Category | 0 | - | 4.97 | 159,102 |
| Countries by Countries | 0 | - | 4.97 | 63,814 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,457 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,451 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,706 |
| Merged Country Flags | 0 | - | 4.88 | 107,500 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,457 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,560 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,258 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,238 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,942 |
| Merged Countries #2 | 0 | - | 4.96 | 99,974 |
| Merged Countries #4 | 0 | - | 4.81 | 94,197 |
| Merged Countries #6 | 0 | - | 4.90 | 73,910 |
| Merged Countries #7 | 0 | - | 4.93 | 83,244 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,588 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,028 |
| Geography by Picture - A | 0 | - | 4.39 | 60,492 |
| Geography by Picture - D | 0 | - | 4.15 | 45,830 |
| Geography by Picture - F | 0 | - | 4.31 | 51,236 |
| Geography by Picture - G | 0 | - | 4.39 | 48,125 |
| Geography by Picture - J | 0 | - | 4.16 | 38,636 |
| Geography by Picture - K | 0 | - | 4.29 | 33,296 |
| Geography by Picture - C | 0 | - | 4.31 | 57,286 |
| Geography by Picture - L | 0 | - | 4.37 | 59,184 |
| Geography by Picture - M | 0 | - | 4.14 | 40,622 |
| Geography by Picture - P | 0 | - | 4.24 | 42,607 |
| Geography by Picture - S | 0 | - | 4.38 | 47,213 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,890 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,659 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,265 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,426 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,664 |
