Yes, you can earn Robux by playing games. One popular method is through game development. Create your own game and earn Robux by selling items or through group funds.
Games like PLS DONATE let you earn Giftbux by donating to other players. You can use these Giftbux to buy items like donation booths.
Microsoft Rewards is another option. Complete tasks and answer questions to earn points. These points can be redeemed for Robux.
Gamehag also offers ways to earn Robux. Finish tasks in games like WarThunder or Crossout to earn gems, which you can trade for Robux.
Some mobile apps, such as Super Slices Robux Roblominer and Run Egg Get Robux, reward you with Robux for playing their games.