Players take on the role of Ben Tennyson as he navigates through various alien environments, using his ultimate alien forms to battle enemies and conserve his Omnitrix. The game focuses on Ben's transformation abilities and combat skills, as he encounters a diverse range of opponents and obstacles.
The main challenge is to defeat each level's boss, which involves employing strategic use of Ben's alien powers to exploit weaknesses and overcome obstacles. The game runs directly in the browser, without the need for a download or registration, providing immediate access to several alien transformations and a rich collection of powers to master. By developing a sound strategy, players can progress through increasingly difficult levels and unlock new forms for Ben to utilize in battle.