Ben 10 is in a lost lava world with mech robots that are built to destroy. The only way to come out of this swinging is for Ben Tennyson to use his Omnitrix to transform into Heatblast. Heatblast can use his fireball powers to destroy most of these robot fighters in one hit. The longer you survive as Heatblast the more the waves will build bigger and stronger robots to attack you. Ben 10: The Lost World is one of our many Action Games that we publish on TheGamerStop.com. This game is also tagged as a Ben 10 game. Click the play button to start having fun. To play even more free games, view our popular and new games page. If you want to play more games like this, then you can simply check out the games inside the game tags that are the most relevant to your interests or the Action Games category or the games like this game page at the end of the game tags.