Spartan Points are the currency in Halo: The Master Chief Collection used to unlock cosmetics. You have to actually play the game to earn them, but back in June, 343 Industries announced it was considering making them purchasable. The justification was cloaked in benevolence: it was to be an "optional, additive alternative for players who might find the vast scope of content to be an intimidating amount of playtime and want to get ahead on (or skip) the grind, or maybe want to grab the specific items they want."..
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Halo: The Master Chief Collection microtransaction plans ditched
Source: PC Gamer (opens in a new tab)