| Former Countries by Territory Map | 0 | - | 4.96 | 103,453 |
| Empires by Maps | 0 | - | 4.98 | 121,448 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,025 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,442 |
| Name that Object #1 | 0 | - | 3.57 | 96,570 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,060 |
| Play-Doh People from History | 0 | - | 4.99 | 95,321 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,933 |
| All Country Flags of the World | 0 | - | 5.00 | 3,698,829 |
| Years in History by Picture | 0 | - | 4.44 | 35,693 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,268 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,955 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,189 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,857 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,514 |
| Old Movies by Picture | 0 | - | 4.51 | 25,202 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,244 |
| Name that Object #2 | 0 | - | 3.64 | 15,491 |
| Name that Object #3 | 0 | - | 3.93 | 14,443 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,803 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,880 |
| Flags with Crescents | 0 | - | 4.98 | 170,893 |
| Country Flag Trivia | 0 | - | 4.81 | 57,748 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,573 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,143 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,240 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,722 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,754 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,311 |
| Random Logos Quiz | 0 | - | 4.33 | 209,110 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,034 |
| National Football Team Logos | 0 | - | 4.85 | 181,343 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,579 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,219 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,180 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,749 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,945 |
| Fruits by Picture | 0 | - | 4.19 | 808,638 |
| Geography by Picture - B | 0 | - | 4.42 | 55,734 |
| Geography by Picture - H | 0 | - | 4.50 | 58,334 |
| Geography by Picture - N | 0 | - | 4.45 | 42,303 |
| Geography by Picture - R | 0 | - | 4.56 | 41,111 |
| Geography by Picture - T | 0 | - | 4.54 | 57,956 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,980 |
| Flags to Languages | 0 | - | 4.95 | 174,251 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,607 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,334 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,707 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,209 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,560 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,418 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,883 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,247 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,526 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,610 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,167 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,890 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,808 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,893 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,719 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 542,667 |
| Name that Bug | 0 | - | 4.12 | 45,609 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,465 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,172 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,881 |
| Elements by Picture | 0 | - | 4.27 | 70,206 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,466 |
| Islands by Picture | 0 | - | 4.28 | 107,539 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,414 |
| Geography by Picture - A | 0 | - | 4.39 | 60,384 |
| Geography by Picture - D | 0 | - | 4.15 | 45,751 |
| Geography by Picture - F | 0 | - | 4.31 | 51,129 |
| Geography by Picture - G | 0 | - | 4.39 | 48,047 |
| Geography by Picture - J | 0 | - | 4.16 | 38,558 |
| Geography by Picture - K | 0 | - | 4.29 | 33,216 |
| Geography by Picture - C | 0 | - | 4.31 | 57,185 |
| Geography by Picture - L | 0 | - | 4.37 | 59,091 |
| Geography by Picture - M | 0 | - | 4.14 | 40,548 |
| Geography by Picture - P | 0 | - | 4.24 | 42,528 |
| Geography by Picture - S | 0 | - | 4.38 | 47,144 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,725 |
| Movie Logos | 0 | - | 4.33 | 239,797 |
| History by Picture - A | 0 | - | 4.26 | 46,047 |
| History by Picture - B | 0 | - | 4.40 | 49,226 |
| History by Picture - C | 0 | - | 4.36 | 54,757 |
| History by Picture - F | 0 | - | 4.35 | 38,101 |
| History by Picture - G | 0 | - | 4.40 | 42,342 |
| History by Picture - D | 0 | - | 4.29 | 44,550 |
| History by Picture - E | 0 | - | 4.25 | 44,136 |
| History by Picture - H | 0 | - | 4.37 | 36,991 |
| History by Picture - K | 0 | - | 4.35 | 33,532 |
| History by Picture - M | 0 | - | 4.17 | 36,311 |
| History by Picture - N | 0 | - | 4.40 | 41,452 |
| History by Picture - O | 0 | - | 4.39 | 36,482 |
| History by Picture - T | 0 | - | 4.20 | 33,473 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,827 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,901 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,413 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,241 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,739 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,155 |
| International Footballers by Picture | 0 | - | 4.51 | 56,184 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,585 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,284 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,082 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,600 |
| Flag Maths | 0 | - | 4.61 | 57,815 |
| Satellite Images #1 | 0 | - | 4.47 | 129,595 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,492 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,075 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,095 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,101 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,320 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,433 |
| Soccer Team Logos | 0 | - | 4.26 | 376,681 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,316 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,924 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,565 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,575 |
| Foods by Picture | 0 | - | 3.81 | 226,436 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,596 |
| Christmas by Picture | 0 | - | 4.26 | 28,217 |
| Hats by Picture | 0 | - | 4.21 | 18,005 |
| Weapons by Picture | 0 | - | 4.13 | 21,133 |
| Cars by Picture | 0 | - | 3.89 | 41,728 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,352 |
| Plants by Picture | 0 | - | 4.24 | 14,505 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,459 |
| Women in History by Picture | 0 | - | 4.25 | 25,997 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,832 |
| Geography by Picture - E | 0 | - | 3.55 | 47,466 |
| Landforms by Picture | 0 | - | 4.31 | 20,731 |
| Geography by Picture - I | 0 | - | 4.00 | 39,504 |
| Geography by Picture - O | 0 | - | 4.01 | 28,214 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,188 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,614 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,350 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,802 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,538 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,066 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,248 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,080 |
| History by Picture - I | 0 | - | 4.24 | 26,382 |
| History by Picture - J | 0 | - | 4.18 | 26,879 |
| History by Picture - L | 0 | - | 4.18 | 30,939 |
| History by Picture - P | 0 | - | 4.08 | 25,421 |
| History by Picture - Q | 0 | - | 4.03 | 22,210 |
| History by Picture - R | 0 | - | 4.13 | 26,994 |
| History by Picture - S | 0 | - | 4.14 | 27,924 |
| History by Picture - U | 0 | - | 4.25 | 25,273 |
| History by Picture - V | 0 | - | 4.31 | 25,253 |
| History by Picture - W | 0 | - | 4.01 | 21,770 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,662 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,718 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,549 |
| Flowers by Picture | 0 | - | 4.46 | 105,805 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,909 |
| Authors by Picture | 0 | - | 4.48 | 25,605 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,665 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,061 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,213 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,389 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,199 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,747 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,734 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,395 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,251 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,939 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,444 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,688 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,670 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,605 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,320 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,017 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,677 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,726 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,949 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,311 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,274 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,774 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,826 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,700 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,143 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,421 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,407 |
| Emoji Flags | 0 | - | 4.35 | 44,235 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,137 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,448 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,513 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,807 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,117 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,899 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,357 |
| Airline Logos | 0 | - | 4.45 | 141,239 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,433,852 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,169 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,661 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,332 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,091 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,453 |
