The earn the good ending in Oddworld: Soulstorm, you need to score a
majority of Good Quarma ranks for each level. You’ll be able to see your Quarma in the Level Select menu under each level, you’ll see a red or blue icon. A red icon signifies Bad Quarma, and a blue icon signifies Good Quarma. It’s okay to get several Bad Quarma ranks you don’t need all Good Quarma to get the best ending.
I was able to get the Good Ending with three Bad Quarma ranks. So, you absolutely don’t need to replay every level to get Good Quarma. To get Good Quarma, you mostly need to
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Welcome to Necrum, a massive cavern packed with deadly drills and other mining machinery bent on turning Abe and his pals into mincemeat. Instead of dealing with tons of Sligs, you’ll be doing lots of careful dodging. Getting Abe through in one piece isn’t that bad it gets a whole lot harder when you’re leading hapless Mudokons through the meatgrinder.
And there are some very easy-to-miss Mudokons in this level. Most of them, you’ll encounter as you progress through the stage. There are a lot of working Mudokons you need or the machinery will block your path. It’s just those Secret Areas and one particular aggravating Mudokon you have to backtrack with to save. There are 32 here, but we only need 30 to earn the Platinum Badge… let’s save them all anyway.