No, it is not necessary to max upgrade all weapons in War Robots. Your decision to upgrade should reflect your play style and preferred roles in battles. Focusing on upgrading weapons that complement your most-used robots can enhance your performance significantly.
If you enjoy fast-paced, hit-and-run tactics, prioritize weapons with quick cooldowns or those that excel in short-range combat. This strategic focus ensures you get the best results without needing to max out every weapon.
Consider the specific role each robot plays in your strategy. Upgrading only the essential weapons can save resources and improve your overall effectiveness in matches. For instance, long-range fighters will benefit from upgrading snipers, while brawlers should focus on short-range, high-damage weapons.
Remember, sometimes less is more. By concentrating on key upgrades, you can create a powerful and efficient lineup without the need to max upgrade all your weapons. Make smart choices to maximize your winning potential in War Robots.