| Animals by Skeleton Image | 0 | - | 4.81 | 46,699 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,620 |
| Name that Bug | 0 | - | 4.12 | 45,596 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,632 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,812 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,354 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,078 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,007 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,325 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,336 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,666 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,648 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,306 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,218 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,377 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,654 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,413 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,330 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,804 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,300 |
| Animals in World History | 0 | - | 4.74 | 44,595 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,697 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,756 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,057 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,949 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,744 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,347 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,200 |
| Empires by Maps | 0 | - | 4.98 | 121,065 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,623 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,854 |
| Flowers by Picture | 0 | - | 4.46 | 105,747 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,848 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,481 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,934 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,621 |
| All Country Flags of the World | 0 | - | 5.00 | 3,684,947 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,427 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,435 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,329 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,373 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,783 |
| Play-Doh People from History | 0 | - | 4.99 | 95,125 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,284 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,669 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,758 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,800 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,925 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,679 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,673 |
| Name the Cat Flags | 0 | - | 5.00 | 40,434 |
| Extinct Animals | 0 | - | 4.16 | 27,536 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,280 |
| Animals in the News | 0 | - | 4.37 | 26,811 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,125 |
| Megadiverse Countries | 0 | - | 4.96 | 135,066 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,741 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,686 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,541 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,337 |
| Flags with Crescents | 0 | - | 4.98 | 170,435 |
| Country Flag Trivia | 0 | - | 4.81 | 57,456 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,236 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,898 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,892 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,540 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,545 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,720 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,113 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,903 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,102 |
| National Football Team Logos | 0 | - | 4.85 | 180,941 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,912 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,286 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,779 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,351 |
| Old World... or New World? | 0 | - | 4.66 | 21,383 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,871 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,919 |
| Countries with Fjords | 0 | - | 4.94 | 101,082 |
| Click Timeline: Countries Independence | 0 | - | 4.92 | 62,419 |
| Click Timeline: Fictional Characters #1 | 0 | - | 4.98 | 83,253 |
| Country to Population Click Quiz | 0 | - | 4.98 | 44,190 |
| Click the Planet | 0 | - | 4.96 | 91,772 |
| Years in History by Picture | 0 | - | 4.44 | 35,636 |
| Where Are These Doors? | 0 | - | 4.45 | 30,092 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,130 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,849 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,818 |
| Flags to Languages | 0 | - | 4.95 | 173,991 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,741 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,051 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,409 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 21,480 |
| Click Timeline: Famous Buildings | 0 | - | 4.96 | 62,432 |
| Click the Movie Title Ending #1 | 0 | - | 4.96 | 127,921 |
| Click the Movie Title Ending #3 | 0 | - | 4.89 | 73,017 |
| Click the Movie Title Ending #5 | 0 | - | 4.87 | 36,849 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,380 |
| Fruits by Picture | 0 | - | 4.19 | 808,158 |
| Old Movies by Picture | 0 | - | 4.51 | 25,159 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,151 |
| Name that Object #1 | 0 | - | 3.57 | 96,545 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 49,693 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,290 |
| Geography by Picture - B | 0 | - | 4.42 | 55,686 |
| Geography by Picture - H | 0 | - | 4.50 | 58,294 |
| Geography by Picture - N | 0 | - | 4.45 | 42,262 |
| Geography by Picture - R | 0 | - | 4.56 | 41,082 |
| Geography by Picture - T | 0 | - | 4.54 | 57,912 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,204 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,306 |
| Random Logos Quiz | 0 | - | 4.33 | 208,864 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,666 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,523 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,154 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,101 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,693 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,893 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,317 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,751 |
| Countries with the Most Lakes Over 100 Km² | 0 | - | 4.83 | 32,468 |
| Countries With No Rivers | 0 | - | 4.96 | 76,948 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,343 |
| Rivers in History | 0 | - | 4.92 | 33,351 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,092 |
| North Sea Countries | 0 | - | 4.92 | 87,516 |
| Black Sea Countries | 0 | - | 4.87 | 60,667 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,468 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,568 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,295 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,431 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,074 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,790 |
| Elements by Picture | 0 | - | 4.27 | 70,113 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,396 |
| Islands by Picture | 0 | - | 4.28 | 107,317 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,352 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,173 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,385 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,397 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,103 |
| International Footballers by Picture | 0 | - | 4.51 | 55,965 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,198 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,076 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,986 |
| Geography by Picture - A | 0 | - | 4.39 | 60,334 |
| Geography by Picture - D | 0 | - | 4.15 | 45,716 |
| Geography by Picture - F | 0 | - | 4.31 | 51,082 |
| Geography by Picture - G | 0 | - | 4.39 | 48,012 |
| Geography by Picture - J | 0 | - | 4.16 | 38,520 |
| Geography by Picture - K | 0 | - | 4.29 | 33,180 |
| Geography by Picture - C | 0 | - | 4.31 | 57,141 |
| Geography by Picture - L | 0 | - | 4.37 | 59,057 |
| Geography by Picture - M | 0 | - | 4.14 | 40,515 |
| Geography by Picture - P | 0 | - | 4.24 | 42,492 |
| Geography by Picture - S | 0 | - | 4.38 | 47,097 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,162 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,910 |
| Flag Maths | 0 | - | 4.64 | 57,798 |
| Satellite Images #1 | 0 | - | 4.47 | 129,504 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,426 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,008 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,028 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,054 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,232 |
| Soccer Team Logos | 0 | - | 4.26 | 375,866 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,429,844 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,798 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,454 |
| Movie Logos | 0 | - | 4.33 | 239,302 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,715 |
| History by Picture - A | 0 | - | 4.26 | 45,975 |
| History by Picture - B | 0 | - | 4.40 | 49,153 |
| History by Picture - C | 0 | - | 4.36 | 54,672 |
| History by Picture - F | 0 | - | 4.35 | 38,026 |
| History by Picture - G | 0 | - | 4.40 | 42,276 |
| History by Picture - D | 0 | - | 4.29 | 44,472 |
| History by Picture - E | 0 | - | 4.25 | 44,075 |
| History by Picture - H | 0 | - | 4.37 | 36,916 |
| History by Picture - K | 0 | - | 4.35 | 33,473 |
| History by Picture - M | 0 | - | 4.17 | 36,247 |
| History by Picture - N | 0 | - | 4.40 | 41,383 |
| History by Picture - O | 0 | - | 4.39 | 36,420 |
| History by Picture - T | 0 | - | 4.20 | 33,411 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,452 |
| Movies by Screenshot | 0 | - | 4.45 | 91,387 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,755 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,568 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,467 |
| Animal Adjectives | 0 | - | 4.77 | 60,087 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,218 |
| Bird in the Answers | 0 | - | 4.11 | 33,832 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,211 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,551 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,838 |
| African Great Lakes | 0 | - | 4.82 | 66,584 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,685 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,605 |
| Word Addition Click Quiz #1 | 0 | - | 4.73 | 49,862 |
