| All Country Flags of the World | 0 | - | 5.00 | 3,671,244 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,387 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,496 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,846 |
| Flags with Crescents | 0 | - | 4.98 | 169,800 |
| Country Flag Trivia | 0 | - | 4.81 | 57,165 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,941 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,641 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,579 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,373 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,917 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,006 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,210 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,724 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,467 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,574 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,255 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,412 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,703 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,637 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,625 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,655 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,751 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,525 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,185 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,617 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,770 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,170 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,454 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,531 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,870 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,077 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,177 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,022 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,514 |
| Flags of North and South America | 0 | - | 4.99 | 373,621 |
| Flags to Languages | 0 | - | 4.95 | 173,767 |
| Former Flags | 0 | - | 4.97 | 107,834 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,987 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,614 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,541 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,004 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,473 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,808 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,224 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,675 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,692 |
| Flag Maths | 0 | - | 4.64 | 57,774 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,998 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,778 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,005 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,808 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,525 |
| World Coats of Arms | 0 | - | 4.99 | 64,611 |
| Similar Flags #1 | 0 | - | 4.75 | 130,150 |
| Similar Flags #2 | 0 | - | 4.74 | 137,436 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,690 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,896 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,671 |
| Emoji Flags | 0 | - | 4.35 | 44,127 |
| Countries by Road Signs | 0 | - | 4.98 | 53,911 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,672 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,304 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,119 |
| Select the World Flags | 0 | - | 4.27 | 37,790 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,052 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,952 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,500 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,189 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,274 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,962 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,540 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,099 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,775 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,924 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,828 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,245,916 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,390 |
| Pixelated World Map | 0 | - | 5.00 | 143,495 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,108 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,206 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,613 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,234 |
| Boundary Waters | 0 | - | 4.92 | 88,509 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,203 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,174 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,565 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,520 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,482 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,174 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,088 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,567 |
| Countries by Picture #2 | 0 | - | 4.38 | 71,988 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,468 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,034 |
| Geography by Picture - B | 0 | - | 4.42 | 55,647 |
| Geography by Picture - H | 0 | - | 4.50 | 58,264 |
| Geography by Picture - N | 0 | - | 4.45 | 42,228 |
| Geography by Picture - R | 0 | - | 4.56 | 41,049 |
| Geography by Picture - T | 0 | - | 4.54 | 57,877 |
| Flags of Oceania | 0 | - | 5.00 | 259,826 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,480 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,091 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,934 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,294 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,860 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,514,644 |
| Flags of WW1 | 0 | - | 4.60 | 38,433 |
| Landlocked Countries | 0 | - | 4.99 | 421,155 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 574,280 |
| Satellite Images #1 | 0 | - | 4.47 | 129,421 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,348 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,953 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,967 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,014 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,083 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,831 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,659 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,919 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,276 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,285 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,259 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,040 |
| Himalayan Countries | 0 | - | 4.95 | 138,353 |
| Andean Countries | 0 | - | 4.93 | 84,395 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,614 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,537 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,245 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,647 |
| Danube Countries | 0 | - | 4.97 | 71,912 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,893 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,317 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,128 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,588 |
| European Landlocked Countries | 0 | - | 4.99 | 147,041 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,477 |
| Countries with the Most Species | 0 | - | 4.99 | 103,155 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,635 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,537 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,682 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,480 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,160 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,574 |
| Countries in the Alps | 0 | - | 4.87 | 118,063 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,478 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,866 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,590 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,516 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,402 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,880 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,563 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,418 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,121 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,763 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,591 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,456 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,132 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,397 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,430 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,697 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,229 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,733 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,913 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,516 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,857 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,153 |
| Largest Countries By Category | 0 | - | 4.97 | 158,045 |
| Countries by Countries | 0 | - | 4.96 | 63,097 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,564 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,245 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,537 |
| Merged Country Flags | 0 | - | 4.88 | 106,862 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,321 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,893 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,740 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,582 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,448 |
| Merged Countries #2 | 0 | - | 4.96 | 99,150 |
| Merged Countries #6 | 0 | - | 4.90 | 73,354 |
| Merged Countries #7 | 0 | - | 4.93 | 82,691 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,642 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,825 |
| Geography by Picture - A | 0 | - | 4.39 | 60,294 |
| Geography by Picture - D | 0 | - | 4.15 | 45,686 |
| Geography by Picture - F | 0 | - | 4.31 | 51,044 |
| Geography by Picture - G | 0 | - | 4.39 | 47,979 |
| Geography by Picture - J | 0 | - | 4.16 | 38,492 |
| Geography by Picture - K | 0 | - | 4.29 | 33,157 |
| Geography by Picture - C | 0 | - | 4.31 | 57,110 |
| Geography by Picture - L | 0 | - | 4.37 | 59,008 |
| Geography by Picture - M | 0 | - | 4.14 | 40,488 |
| Geography by Picture - P | 0 | - | 4.24 | 42,457 |
| Geography by Picture - S | 0 | - | 4.38 | 47,068 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,425 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,466 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,882 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,776 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,236 |
| Longest International Borders | 0 | - | 4.99 | 265,046 |
| Countries with Three Borders | 0 | - | 4.96 | 36,567 |
