The challenge you need to conquer here is the games in io games . These are online games with a variety of themes. Each game will have its own challenges.
For a puzzle game, you need to focus on finding answers like skribbl io where you will be in a 12-player room where you will be drawn and answered over time. available. Become the person with the highest score in this puzzle game.
For survival games you need to have good defense skills, classic games like Surviv io, Shell Shocker, ... will be interesting options.
There is also a multitude of games that are constantly updated.