Atlas Reactor is a 4v4 competitive game, and it's some of the most fun I've had playing a video game. It's a simultaneous, blind action selection, turn-based game with four phases: Prep, Dash, Blast, Movement.
The most action happens during the Blast phase -- it's when most attacks go off. The diverse cast makes for an interesting and varied array of attacks: bouncing bullets, delayed rocket blasts, shotgun sprays, melee strikes, double robot magic. Since movement happens after attacks, your attack usually lands, which feels good. The only way your attack will miss is if it gets dashed.
The Dash phase is when all the mind-reading happens. Once you use your character's dash ability, it usually takes a while before you can use it again. Since it occurs before attacks, there's an interesting tension here: do you do try to dash that big move you know your opponent has? Or will your opponent expect you to dash, and save it?
Movement also has a predictive element to it. If you're a melee character, you want to try to stick close to the opponent, and since everyone inputs their moves at the same time, you have to guess where they're going to go. Some of my favorite moments in Atlas Reactor have been when I merely moved in the opposite direction of someone, thereby evading their hard-hitting melee attack.
There's a ton of potential for teamwork, skilled outplays, and big moments in this game. The time constraints (20s/move, with each person having some reserve time) keep the game fast-paced and exciting. It's like all the best parts of Duelyst (which I remember SUSD loved) mixed with all the best parts of DotA/LoL/HotS. You should really try it out.