Some online games that allow players to customize their characters or avatars are:
"Fortnite": A popular battle royale game that lets players customize their character's appearance with various skins, outfits, and accessories.
"The Sims 4": A life simulation game where players can create and customize their own Sims characters with a wide range of clothing, hairstyles, and traits.
"Overwatch": A team-based shooter game that offers players the ability to customize their heroes with different skins and cosmetic items.
"World of Warcraft": An MMORPG that allows players to customize their characters' appearance, gear, and abilities to create unique avatars.
"Roblox": A user-generated online platform that offers a wide variety of games where players can customize their avatars with different clothing, accessories, and animations.