Warframe
Microtransactions in Warframe are summarized as...
The Premium Currency "Platinum" can be traded in-game for other currencies or items, just like anything else. This way it's technically possible to obtain all cosmetics without ever spending real money.
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Premium currencies come in quantities that do not match the price of regular shop items, forcing you to spend more for less.👎
Contains items that only come in bundles and can not be acquired on their own.👎
Rewards in-game items for external purchases (e.g. Twitch Prime subscriptions).👎
Often features items that can only be purchased during a limited time.👎
In-game currencies can be purchased with real life money.👎
Contains cosmetics for extraordinarily high prices, sometimes costing more than full priced games.➖
Free to play. Requires no up front payment.👍
Most items that can be bought for real money can also be bought with in-game currencies.