To earn an Ace Tanker badge in the Obj 257 tank in World of Tanks, players need to achieve more experience in a single battle than the average highest experience of 99% of players who have played the same tank in the past seven days. Here are some tips and strategies to help you achieve this feat: 1. Know Your Tank: Understanding the strengths and weaknesses of the Obj 257 is crucial. It excels at hull-down positions due to its strong turret armor, so try to position yourself behind cover that allows you to expose only your turret. 2. Deal Damage: Focus on dealing as much damage as possible while taking minimal damage in return. Use the tank's hard-hitting gun to penetrate enemy armor and secure critical hits. 3. Stay Alive: Survivability is key to earning an Ace Tanker badge. Avoid unnecessary risks and focus on staying alive until the end of the battle. 4. Support Your Team: Play a role that benefits your team, whether it's providing cover for allies, spotting enemy vehicles, or flanking enemy positions. Team-oriented play can lead to increased experience and help you earn the Ace Tanker badge. 5. Maintain Consistency: Ace Tanker badges are awarded based on relative performance, so strive for consistent high-level play across multiple battles. Focus on improving your average experience and contributing to your team's success. By following these tips and staying focused on the objectives of dealing damage, surviving, and supporting your team, you can increase your chances of earning an Ace Tanker badge in the Obj 257. Keep practicing, learning from each battle, and adapting your play style to maximize your impact on the battlefield.