To achieve the coveted Ace Tanker badge in World of Tanks with the Obj 257 tank, players must demonstrate exceptional skill and knowledge of tank gameplay. Here are some tips to help you accomplish this feat:

1. Master the Tank: Understanding the strengths and weaknesses of the Obj 257 is essential. Its powerful armor and strong frontal turret make it a formidable opponent when used effectively. Learn to position the tank strategically to maximize its defensive capabilities and take advantage of its potent gun.

2. Deal High Damage: To earn the Ace Tanker badge, players must consistently deal a high amount of damage in battles. Focus on targeting enemy vehicles' weak spots and coordinating your shots to penetrate their armor effectively. Utilize the Obj 257's firepower to its full potential and aim for high damage output in each battle.

3. Stay Alive: Survival is crucial in earning an Ace Tanker badge. While dealing damage is important, staying alive allows you to have a greater impact on the outcome of the battle. Learn to position your tank defensively, utilize cover, and make calculated decisions to survive longer in battles.

4. Win Battles: Securing victories in battles significantly contributes to earning the Ace Tanker badge. Focus on playing a contributing role in achieving team objectives, such as capturing bases or defending key positions. Actively participate in battles and strive to make meaningful contributions to your team's success.

5. Consistency is Key: Earning an Ace Tanker badge requires consistent exceptional performance in battles. Aim to consistently deal high damage, survive longer, and contribute to your team's victories. Play matches regularly and strive for excellence in each battle to increase your chances of earning the prestigious badge.

By mastering the Obj 257, dealing high damage, staying alive, winning battles, and maintaining consistency, players can improve their chances of achieving the Ace Tanker badge in World of Tanks. Remember to continuously improve your skills, adapt to different battle scenarios, and stay determined in your pursuit of tank mastery. Good luck on your journey to becoming an Ace Tanker with the Obj 257!