Shell Shockers is an online multiplayer first-person shooter game where players embody eggs armed with various weapons. The game features different modes like Free For All, Teams, Capture the Spatula, and Point Capture. Players can move using WASD or arrow keys, aim with the mouse, shoot with left-click, reload with the R key, swap weapons with number keys, jump with Spacebar, and chat by pressing Enter.

Shell Shockers offers an engaging experience where players compete to eliminate opponents and earn points individually or for their team. With simple controls and various game modes, this free Chrome extension provides hours of thrilling gameplay for shooter game enthusiasts.