TankMania.io

Tankmania.io is a free multiplayer tank battle game. It's a from-scratch remake of an old Flash game from the early 2000s. Click to move, aim the turret with your mouse, and fight real-time team battles and capture the flag matches. Maps have destructible barrels, rivers, bridges, and bushes you can hide in, plus pickups like medkits, bombs, and smoke grenades. Works on desktop and mobile. No download, no account needed, just enter a name and play as a guest.