Looks more like BF2142 or ETQW lite with 32 or 54 players. There seem to be no RPG elements like Mass Effect.
People seem to forget Mass Effect was more Action-RPG Interactive storybook than FPS. I'm almost 100% sure there are no headshot boxes in ME(at least on Geth and the Thorian Creepers, using a sniper rifle) and it was more storyline based than action based(the story to action ratio was incredibly story biased).
I'm willing to bet
Alpha Protocol is the next ME like game. Just looking at Obsidian Entertainment's history, I fully expect Alpha Protocol to be just like Mass Effect except with superspies. Even the dialouge menu and choices seem similar.
There's 3 choices for every dialouge in AP, "Professional, Suave and Aggressive" just like Mass Effect's Normal, Paragon and Renegade responses.
There's a hub navigation system, safe houses for AP, planetary systems for Mass Effect.
Same Engine
Same gameplay from what I can gather about the gameplay descriptions on AP.
Bioware does KOTOR, they do KOTOR II, Bioware does NWN1, Obsidian does NWN2, Bioware does Mass Effect, they do AP. It's Obsidian, I'm not sure how they're tied to Bioware, but Obsidian might as well rename themselves Bioware US/Irvine.