Brady, Dustin. Escape from a video game #3

Series numbering from Amazon

"One hundred villains will enter Grim Island, but only one will be crowned the Greatest Supervillain of All Time. Will it be you? The latest battle royale video game from Bionosoft promises a crazy cast of villains, over-the-top superweapons, and non-stop action. But when you get sucked into the game, you discover that Grim Island is home to something far stranger than a few costumed baddies. Young gamers control the action in this new interactive adventure from the bestselling author of Trapped in a video game. They'll use critical thinking skills to solve puzzles, explore hidden areas, and outsmart villains. Then, once they finish the main story, they'll get a chance to unlock a whole new tale."--Amazon.com