Licensing the IP of certain characters for media usage for commercials and products alike can not only make revenue but also create interest in the game.

Licensing the IP of certain characters or items for physical products like replicas, plushies and other kinds of products can be a way to make revenue and create interest in the game.

Having a physical copy of the game in a game store can get attention from potential buyers who frequent those stores.

Having a digital way to buy the game attracts the attention of consumers who prefer to have a digital copy instead of a physical one.

Making drops of equipment exclusive for DLC missions and/or worlds is a way to make players buy those DLCs so they can experience more diverse and exclusive types of equipment.

Making DLC characters that are tied to the story can be a way to make players guarantee a character that they might have liked throughout the story quests.

With this strategy, it creates a possibility to generate an income by advertising brands, games, companies, and events without stressing the player with pop-ups in-game.

Players could pay a one-time fee to be able to play the game without worrying about ads.

Optional resource targeted for players who are looking for advantages in the game, giving bonus XP, additional missions (daily/weekly missions), and a certain quantity of in-game paid currency every week to spend in the in-game store. *This can also be divided into tiers giving different subscription options to players.

Optional resource where players would receive a number of tickets every day/week to roll in the banners available in the in-game store with also access to new banners a week earlier.

A paid currency is used to buy items in the in-game store which they could use to buy crafting materials, tickets for banners, level-up materials, and skins. The players would get discounts on their first bundle bought.

It's common in Gacha games for you to be able to pay to get a chance at getting a certain character with unique abilities. Players would be able to use both normal and paid currency to buy tickets that allow the player to try to get the character featured in the banner. The ticket cost would be lower for paid currency than the normal currency since the normal currency can be obtained normally throughout the game.

Like character banners, it's common in Gacha games for you to be able to pay to get a chance to get a certain weapon/equipment with unique stats. Players would be able to use both normal and paid currency to buy tickets that allow the player to try to get the featured item in the banner. The ticket cost would be lower for paid currency than the normal currency since the normal currency can be obtained normally throughout the game.

Skins are a huge market throughout the gaming industry, so making skins for selective popular characters with unique animations/particles and/or voice lines to give it an exclusive aspect it would be an effective strategy to get attention from players. These skins are only available to unlock by purchasing with paid currency.

Giving the possibility to skip some grinding time by giving players the option to buy material is a way to make some revenue.