| All Country Flags of the World | 0 | - | 5.00 | 3,667,178 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,676 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,160 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,590 |
| Flags with Crescents | 0 | - | 4.98 | 169,683 |
| Country Flag Trivia | 0 | - | 4.81 | 57,096 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,842 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,565 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,502 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,314 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,271 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,865 |
| Flags of North and South America | 0 | - | 4.99 | 373,281 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,889 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,112 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,596 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,389 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,485 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,156 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,313 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,632 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,599 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,535 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,586 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,687 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,472 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,133 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,563 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,745 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,142 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,419 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,481 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,814 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,016 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,114 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,947 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,486 |
| Flags to Languages | 0 | - | 4.95 | 173,684 |
| Former Flags | 0 | - | 4.97 | 107,776 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,967 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,571 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,489 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,145 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,976 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,833 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,765 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,190 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,604 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,615 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,883 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,720 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,978 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,625 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,787 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,515 |
| World Coats of Arms | 0 | - | 4.99 | 64,570 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,822 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,578 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,520 |
| Flag Maths | 0 | - | 4.64 | 57,764 |
| Similar Flags #1 | 0 | - | 4.75 | 130,082 |
| Similar Flags #2 | 0 | - | 4.74 | 137,369 |
| Emoji Flags | 0 | - | 4.35 | 44,110 |
| Countries by Road Signs | 0 | - | 4.98 | 53,855 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,986 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,638 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,003 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,929 |
| Select the World Flags | 0 | - | 4.27 | 37,757 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,292 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,768 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,465 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,161 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,236 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,945 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,522 |
| Countries by Picture #1 | 0 | - | 4.51 | 115,698 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,662 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,886 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,133 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,777 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,845 |
| Pixelated World Map | 0 | - | 5.00 | 143,429 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,621 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,653 |
| Flags of WW1 | 0 | - | 4.60 | 38,404 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,558 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,211 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,125 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,080 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,470 |
| Countries by Picture #2 | 0 | - | 4.38 | 71,815 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,380 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,966 |
| Flags of Oceania | 0 | - | 5.00 | 259,586 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,387 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,045 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,890 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,242 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,791 |
| Geography by Picture - B | 0 | - | 4.42 | 55,621 |
| Geography by Picture - H | 0 | - | 4.50 | 58,246 |
| Geography by Picture - N | 0 | - | 4.45 | 42,215 |
| Geography by Picture - R | 0 | - | 4.56 | 41,038 |
| Geography by Picture - T | 0 | - | 4.54 | 57,859 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,827 |
| Boundary Waters | 0 | - | 4.92 | 88,483 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,180 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,123 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,491 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,484 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,441 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,954 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,480,212 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,498 |
| Merged Countries #2 | 0 | - | 4.96 | 99,106 |
| Merged Countries #6 | 0 | - | 4.90 | 73,312 |
| Merged Countries #7 | 0 | - | 4.93 | 82,654 |
| Satellite Images #1 | 0 | - | 4.47 | 129,404 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,327 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,936 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,949 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,001 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,040 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,576 |
| Landlocked Countries | 0 | - | 4.99 | 420,788 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 573,108 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,323 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,083 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,719,719 |
| Geography by Picture - A | 0 | - | 4.39 | 60,274 |
| Geography by Picture - D | 0 | - | 4.15 | 45,672 |
| Geography by Picture - F | 0 | - | 4.31 | 51,020 |
| Geography by Picture - G | 0 | - | 4.38 | 47,962 |
| Geography by Picture - J | 0 | - | 4.16 | 38,477 |
| Geography by Picture - K | 0 | - | 4.29 | 33,142 |
| Geography by Picture - C | 0 | - | 4.31 | 57,087 |
| Geography by Picture - L | 0 | - | 4.37 | 58,988 |
| Geography by Picture - M | 0 | - | 4.14 | 40,477 |
| Geography by Picture - P | 0 | - | 4.24 | 42,447 |
| Geography by Picture - S | 0 | - | 4.38 | 47,054 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,457 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,779 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,599 |
| European Cities by Picture #1 | 0 | - | 4.29 | 27,061 |
| Airline Logos | 0 | - | 4.45 | 140,796 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,378 |
| Islands by Picture | 0 | - | 4.28 | 107,030 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,622 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,862 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,206 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,219 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,497 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,039 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,125 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,417 |
| Island Countries | 0 | - | 4.99 | 710,533 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,855 |
| Himalayan Countries | 0 | - | 4.95 | 138,193 |
| Andean Countries | 0 | - | 4.95 | 84,316 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,541 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,423 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,168 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,597 |
| Danube Countries | 0 | - | 4.97 | 71,860 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,833 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,264 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,027 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,486 |
| European Landlocked Countries | 0 | - | 4.99 | 147,001 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,410 |
| Countries with the Most Species | 0 | - | 4.99 | 103,123 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,567 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,521 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,669 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,457 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,132 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,525 |
| Countries in the Alps | 0 | - | 4.87 | 117,992 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,882 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,777 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,557 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,472 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,342 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,847 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,495 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,364 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,093 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,720 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,573 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,428 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,090 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,365 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,388 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,597 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,189 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,712 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,854 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,318 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,742 |
