Ultimate Crisis is an online game on the Cartoon Network website where you unleash the powers of Ultimate Swampfire to battle Aggregor and his army of robots in a 3D brawler. There are 13 levels which unlocks another one of Ultimate Swampfire's combos but the game only ends after Ultimate Swampfire's health comes to zero.
- The Rust Bucket makes a cameo appearance in the background along with Kevin's Car.
- Ultimate Crisis runs on the Unity Player, the same program that is used to run FusionFall.
- This game was released after the airing of The Final Battle: Part 2.
- This game revealed that Aggregor was going to appear.
- It is the first game in which the first Ultimate form appeared.
- A new feature of the game is that in every other level Aggregor will appear and you'll have to battle him in a boss battle.
- You cannot jump, turn into Ben, or turn into any other alien at all.