The Carbon Games: CurbCO2 project aligns with the Climate Solutions Round eligibility by focusing on reducing transportation-related carbon emissions through an innovative carpooling system. Utilizing blockchain technology, we convert CO2 savings from shared rides into tradable carbon credits, supporting a direct climate solution. This approach integrates web3 technologies, enhancing transparency and user engagement while providing measurable environmental benefits, adhering to the criteria of using digital solutions to tackle climate challenges effectively.