| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,377 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,970 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,451 |
| All Country Flags of the World | 0 | - | 5.00 | 3,602,850 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,039 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,479 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,462 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,704 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,108 |
| Flags with Crescents | 0 | - | 4.98 | 167,581 |
| Country Flag Trivia | 0 | - | 4.81 | 55,944 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,431 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,463 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,922 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,047 |
| Satellite Images #1 | 0 | - | 4.46 | 129,015 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,990 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,655 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,651 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,810 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,366 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,281 |
| World Coats of Arms | 0 | - | 4.99 | 63,870 |
| Flags to Languages | 0 | - | 4.95 | 172,499 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,047 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,685 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,828 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,684 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,228 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,243 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,673 |
| Geography by Picture - B | 0 | - | 4.42 | 55,419 |
| Geography by Picture - H | 0 | - | 4.49 | 58,051 |
| Geography by Picture - N | 0 | - | 4.45 | 42,050 |
| Geography by Picture - R | 0 | - | 4.55 | 40,879 |
| Geography by Picture - T | 0 | - | 4.54 | 57,679 |
| Countries by Road Signs | 0 | - | 4.98 | 53,104 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,479 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,075 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,994 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,284 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,914 |
| Geography by Picture - A | 0 | - | 4.39 | 60,055 |
| Geography by Picture - D | 0 | - | 4.15 | 45,495 |
| Geography by Picture - F | 0 | - | 4.31 | 50,830 |
| Geography by Picture - G | 0 | - | 4.38 | 47,792 |
| Geography by Picture - J | 0 | - | 4.16 | 38,336 |
| Geography by Picture - K | 0 | - | 4.28 | 33,015 |
| Geography by Picture - C | 0 | - | 4.31 | 56,911 |
| Geography by Picture - L | 0 | - | 4.37 | 58,764 |
| Geography by Picture - M | 0 | - | 4.14 | 40,347 |
| Geography by Picture - P | 0 | - | 4.24 | 42,301 |
| Geography by Picture - S | 0 | - | 4.38 | 46,911 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,304 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,393 |
| Flag Maths | 0 | - | 4.78 | 57,676 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,371 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,381 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,985 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,393 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,027 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,932 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,671 |
| Largest City by Island | 0 | - | 4.87 | 71,053 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,766 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,231 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,915 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,379 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,331 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,662 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,223 |
| African Island Countries | 0 | - | 4.96 | 100,800 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,631 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,647 |
| Pixelated World Map | 0 | - | 5.00 | 142,449 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,393 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,746 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,812 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,585 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,302 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,829 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,272 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,677 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,765 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,400 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,703 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,759 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,980 |
| Islands by Country #1 | 0 | - | 4.87 | 174,496 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,043 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,475 |
| Flags of North and South America | 0 | - | 4.99 | 367,343 |
| Emoji Flags | 0 | - | 4.35 | 43,817 |
| Former Flags | 0 | - | 4.97 | 106,708 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,254 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,625 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,793 |
| Geography by Picture - E | 0 | - | 3.55 | 47,280 |
| Landforms by Picture | 0 | - | 4.31 | 20,573 |
| Geography by Picture - I | 0 | - | 4.00 | 39,316 |
| Richest Island Countries | 0 | - | 4.84 | 99,525 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,591 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,044 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,572 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,154 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,919 |
| Flags of Oceania | 0 | - | 5.00 | 255,250 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,881 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,567 |
| Select the World Flags | 0 | - | 4.27 | 37,407 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,471 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,537 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,080 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,422 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,831 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,708 |
| Boundary Waters | 0 | - | 4.92 | 88,047 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,818 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,294 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,311 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,850 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,741 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,512 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,072 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,631 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,535 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,568 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,924,713 |
| Landlocked Countries | 0 | - | 4.99 | 413,676 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 553,124 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,739 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,998 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,717,342 |
| Geography by Picture - O | 0 | - | 4.00 | 28,047 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,190 |
| Islands by Picture | 0 | - | 4.29 | 105,908 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,163 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,008 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,637 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,015 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,044 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,989 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,263 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,137 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,877 |
| Island Countries | 0 | - | 4.99 | 707,646 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,613 |
| Himalayan Countries | 0 | - | 4.95 | 135,379 |
| Andean Countries | 0 | - | 4.94 | 82,831 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,223 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,223 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,911 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,615 |
| Danube Countries | 0 | - | 4.97 | 71,084 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,769 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,540 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,496 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,410 |
| European Landlocked Countries | 0 | - | 4.99 | 145,759 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,220 |
| Countries with the Most Species | 0 | - | 4.99 | 95,243 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,355 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,200 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,371 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,959 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,579 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,953 |
| Countries in the Alps | 0 | - | 4.86 | 116,829 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,574 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,265 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,015 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,427 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,171 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,007 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,583 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,760 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,311 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,064 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,197 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,046 |
| Asian Island Nations | 0 | - | 4.63 | 93,756 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,454 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,753 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,757 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,075 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,651 |
| Similar Flags #1 | 0 | - | 4.74 | 129,111 |
| Similar Flags #2 | 0 | - | 4.74 | 136,377 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,255 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,774 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,327 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,684 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,606 |
| Largest Countries By Category | 0 | - | 4.97 | 156,767 |
| Countries by Countries | 0 | - | 4.96 | 62,260 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,394 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,963 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,401 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,332 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,693 |
