| All Country Flags of the World | 0 | - | 5.00 | 3,657,423 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,107 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,345 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,078 |
| Flags with Crescents | 0 | - | 4.98 | 169,359 |
| Country Flag Trivia | 0 | - | 4.81 | 56,942 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,631 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,392 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,257 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,206 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,729 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,513 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,757 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,264 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,140 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,171 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,874 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,993 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,436 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,406 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,347 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,442 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,544 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,320 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,008 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,443 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,674 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,062 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,310 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,349 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,671 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,891 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,990 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,798 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,401 |
| Flags of North and South America | 0 | - | 4.99 | 372,624 |
| Flags to Languages | 0 | - | 4.95 | 173,541 |
| Former Flags | 0 | - | 4.97 | 107,623 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,906 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,482 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,386 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,931 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,458 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,661 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,093 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,436 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,451 |
| Flag Maths | 0 | - | 4.64 | 57,756 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,470 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,426 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,778 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,722 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,475 |
| World Coats of Arms | 0 | - | 4.99 | 64,437 |
| Similar Flags #1 | 0 | - | 4.75 | 129,933 |
| Similar Flags #2 | 0 | - | 4.74 | 137,226 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,466 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,673 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,267 |
| Emoji Flags | 0 | - | 4.35 | 44,061 |
| Countries by Road Signs | 0 | - | 4.98 | 53,733 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,537 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,240 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,639 |
| Select the World Flags | 0 | - | 4.27 | 37,708 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,897 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,880 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,353 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,049 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 67,140 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,894 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,459 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,371 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,355 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,782 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,626 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,379 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,753 |
| Pixelated World Map | 0 | - | 5.00 | 143,301 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,446 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,046 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,425 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,182 |
| Boundary Waters | 0 | - | 4.92 | 88,429 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,125 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,009 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,337 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,412 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,346 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,999 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,055 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,329 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,052 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,408 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,108 |
| Geography by Picture - B | 0 | - | 4.42 | 55,590 |
| Geography by Picture - H | 0 | - | 4.50 | 58,214 |
| Geography by Picture - N | 0 | - | 4.45 | 42,193 |
| Geography by Picture - R | 0 | - | 4.56 | 41,014 |
| Geography by Picture - T | 0 | - | 4.54 | 57,827 |
| Flags of Oceania | 0 | - | 5.00 | 258,696 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,154 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,964 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,789 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,111 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,659 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,398,121 |
| Flags of WW1 | 0 | - | 4.60 | 38,347 |
| Landlocked Countries | 0 | - | 4.99 | 419,732 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,249 |
| Satellite Images #1 | 0 | - | 4.47 | 129,338 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,277 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,895 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,898 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,965 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,941 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,817 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,547 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,735 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,826 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,048 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,848 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,331 |
| Himalayan Countries | 0 | - | 4.95 | 137,765 |
| Andean Countries | 0 | - | 4.95 | 84,102 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,339 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,876 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,970 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,449 |
| Danube Countries | 0 | - | 4.97 | 71,742 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,671 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,142 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,807 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,884 |
| European Landlocked Countries | 0 | - | 4.99 | 146,865 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,246 |
| Countries with the Most Species | 0 | - | 4.99 | 103,007 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,403 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,458 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,622 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,373 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,046 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,442 |
| Countries in the Alps | 0 | - | 4.87 | 117,824 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,220 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,549 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,473 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,323 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,211 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,781 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,376 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,262 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,024 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,627 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,524 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,374 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,994 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,262 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,284 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,363 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,119 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,627 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,662 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,760 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,449 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,043 |
| Largest Countries By Category | 0 | - | 4.97 | 157,791 |
| Countries by Countries | 0 | - | 4.96 | 62,928 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,330 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,182 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,488 |
| Merged Country Flags | 0 | - | 4.88 | 106,688 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,821 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,723 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,588 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,416 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,208 |
| Merged Countries #2 | 0 | - | 4.96 | 99,001 |
| Merged Countries #6 | 0 | - | 4.90 | 73,208 |
| Merged Countries #7 | 0 | - | 4.93 | 82,554 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,482 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,771 |
| Geography by Picture - A | 0 | - | 4.39 | 60,234 |
| Geography by Picture - D | 0 | - | 4.15 | 45,649 |
| Geography by Picture - F | 0 | - | 4.31 | 50,987 |
| Geography by Picture - G | 0 | - | 4.38 | 47,939 |
| Geography by Picture - J | 0 | - | 4.16 | 38,456 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,057 |
| Geography by Picture - L | 0 | - | 4.37 | 58,942 |
| Geography by Picture - M | 0 | - | 4.14 | 40,448 |
| Geography by Picture - P | 0 | - | 4.24 | 42,429 |
| Geography by Picture - S | 0 | - | 4.38 | 47,035 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,302 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,419 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,784 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,352 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,132 |
| Longest International Borders | 0 | - | 4.99 | 264,819 |
| Countries with Three Borders | 0 | - | 4.96 | 36,496 |
