You do not need an email address to play Poki Shell Shockers. You are assigned a random username (usually an adjective and a noun, like "CrispyGamer" or "RoyalEgg"). If you want to save your stats (K/D ratio, wins, total kills), you can register for a Poki account for free, but it is entirely optional.
If you’re looking for a fast-paced, high-stakes multiplayer experience that doesn’t take itself too seriously, look no further than Shell Shockers poki shell shockers
You might find Shell Shockers on other sites, but Poki is the gold standard for browser gaming. Here is why: You do not need an email address to play Poki Shell Shockers