| The Book of Outcasts (2025) | 94 | 1 |
| Book Of Potentia 2 (2017) | 0 | 0 |
| Book of Potions (2013) | 195,877 | 94 |
| The Book of Shadows (2021) | 6,241,995 | 759 |
| Book of Spells (2012) | 7,891,868 | 542 |
| Book of Star Mythology (2016) | 554,080 | 246 |
| Book of the Old (2021) | 12 | 1 |
| Book of Travels (2021) | 1,375,228 | 418 |
| The Book of Unwritten Tales (2009) | 3,941,910 | 6,146 |
| The Book of Unwritten Tales 2 (2014) | 17,016,991 | 5,279 |
| The Book of Unwritten Tales: The Critter Chronicles (2011) | 986,597 | 877 |
| Book Smugglers (2026) | 0 | 0 |
| Book Travelers: A Gothic Story (2024) | 8,754 | 45 |
| Book Travelers: A Royal Story (2023) | 9,446 | 53 |
| Book Travelers: A Victorian Story (2022) | 28,230 | 115 |
| The Book: Gunsmith's Battles Echoes (2024) | 482 | 14 |
| Bookbound Brigade (2019) | 173,972 | 179 |
| Books Upon Books - Bookshop Simulator (2025) | 0 | 0 |
| The Bookwalker: Thief of Tales (2023) | 2,341,924 | 2,266 |
| Bookworm (2003) | 1,184,301 | 404 |
| Bookworm Adventures (2006) | 11,232,526 | 1,736 |
| BookWorm Deluxe (2006) | 274,926 | 39 |
| Bookyman (1992) | 6,284 | 7 |
| Boom 3D (2019) | 26,095 | 97 |
| Boom 3D Mac (2019) | 0 | 0 |
| Boom Ascent (2025) | 0 | 0 |
| Boom Beach (2014) | 455,546,817 | 83,701 |
| Boom Blaster (2020) | 76,886 | 101 |
| Boom Blox (2008) | 2,100,794 | 400 |
| Boom Blox Bash Party (2009) | 2,166,545 | 228 |
| Boom Boom Rocket (2007) | 1,169,977 | 179 |
| Boom Box Blue! (2017) | 66 | 1 |
| Boom Brigade (2009) | 93,769 | 17 |
| Boom Chick Chick (2009) | 655 | 3 |
| Boom Slingers (2022) | 350,295 | 178 |
| BoomBots (1999) | 1,136,379 | 155 |
| Boomer Grandma (2025) | 0 | 0 |
| Boomer's Adventure in ASMIK World (1989) | 0 | 0 |
| Boomerang Battles (2023) | 10 | 1 |
| Boomerang Fu (2020) | 43,289,613 | 1,776 |
| Boomerang Jack (2025) | 3,631 | 8 |
| Boomerang X (2021) | 544,469 | 408 |
| BOOMEROAD (2024) | 6,483 | 68 |
| BoomSheets (2023) | 0 | 0 |
| Boon Boon (2019) | 0 | 0 |
| Boong-Ga Boong-Ga (2000) | 160,930 | 16 |
| BooniePlanet (2014) | 859,208 | 21 |
| Boons & Burdens (2024) | 26,965 | 9 |
| Booobjz (2021) | 180 | 1 |
| Booom-Slang! (2024) | 731 | 7 |
| Boop a Cat (2024) | 14 | 2 |
| Boost Beast (2017) | 45,769 | 39 |
| Boosted Survivors (2024) | 74,542 | 15 |
| Booster Trooper (2010) | 6,790 | 15 |
| Boot Camp Academy (2010) | 281,772 | 35 |
| Boot Camp Endless Runner (2022) | 304 | 3 |
| Boot Hill (1977) | 551,954 | 99 |
| Boot Hill Bounties (2017) | 91,597 | 102 |
| Boot Hill Heroes (2013) | 32,723 | 147 |
| Booth: A Dystopian Adventure (2020) | 934,147 | 79 |
| Bootlegger: Moonshine Empire (2024) | 706 | 3 |
| Boots and Daggers (2023) | 0 | 0 |
| Bootstrap Island (2024) | 5,613,396 | 775 |
| Booty (1984) | 16,527,397 | 1,063 |
| Booty Calls (2018) | 3,599,568 | 173 |
| Boovie (1998) | 2,796 | 10 |
| Booze Master (2023) | 311,019 | 58 |
| Bop-It! (2009) | 12,528,940 | 409 |
| Bopl Battle (2023) | 4,097,408 | 436 |
| Boppin' (1991) | 31,450 | 42 |
| Boppin' (1994) | 2,394 | 12 |
| Boratium Wars (2018) | 0 | 0 |
| Border Bots VR (2024) | 1,285,158 | 185 |
| Border Break (2009) | 5,993,375 | 21,009 |
| Border Down (2003) | 460,764 | 373 |
