This is how Alternate Ending: Starscream defeats Galvatron and Ryan goes in Showdown.
[Ryan and Galvatron get up]
Ryan F-Freeman: We maybe down. But we are not out.
Starscream: So, the worm still squrms after being beaten by the true leader of the Decepticons.
Ryan F-Freeman and Galvatron: Starscream...
Starscream: Why don't you join me and give it up, Ryan. You and Galvatron are only prolonging your pain.
Galvatron: Ryan and I never rest if we lost to a weakling like you!
Ryan F-Freeman: I agree with Galvatron.
Starscream: Bold words. Maybe I put them on Galvatron's tombstone, Ryan.
Ryan F-Freeman: [in royal Canterlot voice] YOU WANTED TO RISK EVERTHING!?!?!?
Galvatron: So be it!
Starscream: I won't hold anything back!!
[Ryan, Galvatron, and Starscream bring out their magic and Energon auras which makes shockwaves]
Crash Bandicoot: Great Scott!
Optimus Prime: By Primus!
Cody Fairbrother: What's happening to my brother, Prime?
Optimus Prime: I think Ryan is gaining more power with Galvatron.
Odette: Whoa. That is a nice lightshow.
Sci-Ryan: You said it, Odette. This is great. [eats some popcorn]
Jetfire: That's impossible! No one can channel that much energy.
Matau T. Monkey: And magic, Jetfire.
Soundwave: Why is everybody stair...[notices 3 glows] Huh?
Sideways: Whoa! You see what Spikewave and the heroes see?
Sideways: Those 3 are channeling enough energy and magic to wipe out small planets!
Soundwave: Well, I'm not sticking around to hear that groove. Let's warp our tails out of here.
Sideways: We can't leave here without the Omega Lock! If we do then we failed our planet. Our people!
Soundwave: Let's do it.
[Soundwave and Sideways warp away]
Evil Ryan: I'll get Soundwave and Jetfire get Sideways.
Optimus Prime: Hold it, Evil Ryan! We'll get caught in the blast!
Evil Anna: But, they are...
Codylight Sparkle: But, nothing, Evil Anna. Sideways and Soundwave are not important right now!
Optimus Prime and Crash Bandicoot: Everyone! TAKE COVER! PROTECT THE KIDS!!
Optimus Prime: If either one of them survives the battle, we'll have to help Ryan fight them for the Omega Lock.
Evil Ryan: But, Twilight and we don't know if we have a chance against that type of power.
Soundwave: I think I see it.
Sideways: I'll get it. Save yourself!
Soundwave: No way, brother. We're in this together.
Ryan F-Freeman: Prepare to be defeated, Starscream!
Galvatron: Farewell, Starscream!
Starscream: Galvatron and Ryan F-Freeman, say hello to oblivion!
Sci-Ryan: [puts sunglasses on Odette]
Trixie: Did Ryan win?
[Starscream is seen floating above the smoked crater and looks down at it]
Starscream: You see, Ryan and Galvatron, when you risk nothing in the pursuit of power, you'll wind up with nothing. That's why I risk everything.