A player can spend real money to purchase something that gives them an advantage in the game.
"PvP is very optional in this game, which provides less pressure for casual players. That being said, the PvP circuit will be heavily influenced by acquiring stronger teams."
"Special offers allow players to purchase new or specific characters using in-game currency."
"You can buy premium currency to buy currency for tanks, better equipment etc ..., premuim time that gives you more currency and experience per battle, can be exchanged for experience to unlock new vehicles faster, vehicles that sometimes are OP etc..."
"As Rōblox is a platform of games (rather than a single game in itself), developers are allowed to implement 'pay-to'win'."