Macrotransactions

Contains items that only come in bundles and can not be acquired on their own.

Contains one-time use premium cosmetics.

Includes a limited-time always rotating store with exclusive discounts and/or cosmetics.

Includes mechanics that are intentionally slow or inconvenient, but can be bypassed with real money purchases.

Often features "discounts" that still force you to purchase premium currencies for the same amount you would without the discount.

Pay-to-win elements. This games contains purchasable items that give you an advantage.

Premium currencies come in quantities that do not match the price of regular shop items, forcing you to spend more for less.

Requires additional purchases to play relevant content (such as expansions).

Some in-game services can only be purchased with real money (e.g. server transfers, character appearance changes, name changes, etc.).