| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,885 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,722 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,979 |
| All Country Flags of the World | 0 | - | 5.00 | 3,667,255 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,639 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,693 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,165 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,595 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,779 |
| Flags with Crescents | 0 | - | 4.98 | 169,684 |
| Country Flag Trivia | 0 | - | 4.81 | 57,098 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,846 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,566 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,503 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,865 |
| 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 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,788 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,516 |
| World Coats of Arms | 0 | - | 4.99 | 64,570 |
| Flags to Languages | 0 | - | 4.95 | 173,684 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,466 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,162 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,238 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,946 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,523 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,409 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,822 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,046 |
| 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 |
| Countries by Road Signs | 0 | - | 4.98 | 53,856 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,617 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,177 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,292 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,125 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,080 |
| Geography by Picture - A | 0 | - | 4.39 | 60,275 |
| 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 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,004 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,581 |
| Flag Maths | 0 | - | 4.64 | 57,765 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,040 |
| Countries by Picture #1 | 0 | - | 4.51 | 115,736 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,662 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,887 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,605 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,802 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,852 |
| Largest City by Island | 0 | - | 4.87 | 71,905 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,889 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,113 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,599 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,389 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,487 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,157 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,318 |
| African Island Countries | 0 | - | 4.96 | 101,668 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,633 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,601 |
| Pixelated World Map | 0 | - | 5.00 | 143,429 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,537 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,587 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,689 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,475 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,134 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,564 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,745 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,143 |
| 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 | 80,815 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,016 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,118 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,948 |
| Islands by Country #1 | 0 | - | 4.88 | 175,318 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,487 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,639 |
| Flags of North and South America | 0 | - | 4.99 | 373,287 |
| Emoji Flags | 0 | - | 4.35 | 44,110 |
| Former Flags | 0 | - | 4.97 | 107,777 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,995 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,967 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,490 |
| Geography by Picture - E | 0 | - | 3.55 | 47,394 |
| Landforms by Picture | 0 | - | 4.31 | 20,685 |
| Geography by Picture - I | 0 | - | 4.00 | 39,443 |
| Geography by Picture - O | 0 | - | 4.01 | 28,149 |
| Richest Island Countries | 0 | - | 4.85 | 100,578 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,470 |
| Countries by Picture #2 | 0 | - | 4.38 | 71,817 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,380 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,966 |
| Flags of Oceania | 0 | - | 5.00 | 259,593 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,391 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,929 |
| Select the World Flags | 0 | - | 4.27 | 37,758 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,946 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,864 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,891 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,243 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,794 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,976 |
| Boundary Waters | 0 | - | 4.92 | 88,484 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,180 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,127 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,492 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,484 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,442 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,840 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,767 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,191 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,605 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,701 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,480,789 |
| Landlocked Countries | 0 | - | 4.99 | 420,793 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 573,135 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,827 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,616 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,373 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,379 |
| Islands by Picture | 0 | - | 4.28 | 107,031 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,624 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,863 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,207 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,219 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,503 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,954 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,065 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,127 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,426 |
| Island Countries | 0 | - | 4.99 | 710,536 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,868 |
| Himalayan Countries | 0 | - | 4.95 | 138,199 |
| Andean Countries | 0 | - | 4.95 | 84,319 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,543 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,425 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,169 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,600 |
| Danube Countries | 0 | - | 4.97 | 71,861 |
| 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 | 84,030 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,487 |
| European Landlocked Countries | 0 | - | 4.99 | 147,001 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,410 |
| Countries with the Most Species | 0 | - | 4.99 | 103,124 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,568 |
| 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 | 73,134 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,526 |
| Countries in the Alps | 0 | - | 4.87 | 117,997 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,894 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,779 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,558 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,473 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,343 |
| 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 | 58,095 |
| 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 | 41,429 |
| Asian Island Nations | 0 | - | 4.63 | 94,196 |
| 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 | 77,390 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,599 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,189 |
| Similar Flags #1 | 0 | - | 4.75 | 130,084 |
| Similar Flags #2 | 0 | - | 4.74 | 137,372 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,714 |
| 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 | 243,324 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,744 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,127 |
| Largest Countries By Category | 0 | - | 4.97 | 157,974 |
| Countries by Countries | 0 | - | 4.96 | 63,048 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,495 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,227 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,625 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,522 |