I finished the Decepticon campaign and the first chapter of the Autobot one. I used Megatron, Starscream, Soundwave, Brakedown, and Soundwave in the 5 chapters. I didn't like Megatron's fusion canon since you can't drop it and it's slow. Starscream was the best. I liked Soundwave but you need to drop his repair ray since it's worthless in single player. Brakedown was fine, nothing great or awful about him. I used Soundwave against Omega Supreme for his defense ability (though it doesn't last long) and he starts with the Assault Rifle. Brakedown would have served just as well.
I played Optimus Prime and he is definitely my favorite character. He can't drop his Ion Blaster, but there's no reason to. It's basically an Assault Rifle but a bigger clip and ammo capacity (300). His vehicle has rockets (like Soundwave) which are useful.
You have to be mindful of ammo since it's not like other games where enemies drop it. They only drop shards which I think power up your abilities or ammo. You have to manage your ammo between your 2 weapons and vehicle weapon. Certain weapons are best in certain situations, and the best weapon is usually in the are where you need it. Like the rocket launcher that homes on vehicles is laying around where enemy jets come in and where there are snipers you'll find a scoped weapon.
Early on, it felt like some weapons were a lot better than others. The Neutron Assault Rifle felt like a pellet gun and require you empty a whole clip to kill one enemy. But I think collecting the energy shards from dead enemies, your weapons get stronger. Or maybe I'm just aiming at more vulnerable spots.
I don't mind there being no cover system. It's not necessary since there's plenty debris you can go behind and still shoot.
[quote name='IAmTheCheapestGamer']This game will probably end up on my trade list sooner than later since thus far I haven't liked what I saw as far as gameplay went. Although I have yet to play it myself, so maybe I'll end up liking it.[/QUOTE]
Definitely play it since it's tons of fun. I really don't care whether I'm shooting at Thundercracker or some Decepticon Jet Drone when I'm playing as Optimus Prime.
But I do wish they gave you the ability to free roam and not have the levels be so damned linear. I wanted to explore Cybertron.
This is fine linear. They're in a war, so there's no logical reason for there to be an open world environment. Even though it's not free roam, you do get to explore a lot of Cybertron. It's not going from one ruined city block to another.