I don’t doubt it. Mass Effect 1 was short — anyone who says otherwise spent time exploring planets and doing stuff they were told was important but wasn’t. You don’t even get achievements for collecting all the ores, relics, and whatever else we were collecting in surveys and in those downed satellites we wasted skills to unlock. I think, at most, it was XP. Mass Effect was the original Eden Prime mission, the time on the Citadel, the three planets the council sends you to, that beach one where spoilery stuff happens, the last world, and then the final fight. 2 and 3 made you do a bunch of stuff to have the resources to complete the game with everyone surviving (more or less — you had to really set up Spoiler and Spoiler both surviving in Mass Effect 3, from the first one).