Microtransactions in Propnight are summarized as...
The game features no microtransactions. It does feature cosmetics items but these are all earned through regular play. Some additional characters need to be unlocked using the same currency as used for purchasing lootboxes.
➖Contains free lootboxes that can not be purchased with real money.
👍You buy it and that's it. No paid DLC. No microtransactions.