Arsenal Online

Grab a weapon and drop into a chaotic free-for-all where every kill switches your loadout. Can you adapt before someone caps you from behind?

Arsenal Online throws you into a fast-paced arena where the only constant is change. You spawn with a basic pistol, but the moment you get a kill, your weapon swaps to something new — maybe a shotgun, maybe a sniper, maybe a stupidly fun melee item. The catch? The order is the same for everyone, so you'll learn that after a few kills, the real fight is against your own muscle memory. I kept dying with a rocket launcher because I'd forget to lead my shots after switching from a hitscan rifle. That's the kind of detail that makes this feel like a proper arena shooter, not a cheap browser knockoff. Controls are simple enough: WASD to move, mouse to aim and shoot, R to reload, and space to jump. Mobile players get tap-to-shoot and a virtual stick, which works surprisingly well until you need to flick 180 degrees. There's no loadout menu or class selection — you adapt or you die. The maps are compact arenas with tight corridors and open sightlines, so positioning matters just as much as aim. I found myself camping a high ledge with a sniper, then panicking when the weapon switched to a knife and I had to rush someone for the next kill. The progression feels rewarding because you're always one kill away from a fresh playstyle. It's not about grinding levels or unlocking gear; it's about staying alive long enough to cycle through the entire weapon roster. If you enjoy twitchy, arena-style FPS games like Quake or Krunker but want something you can open in a tab, Arsenal Online scratches that itch without demanding a download.

Desktop: Mouse + keyboard Mobile: Tap

Learn the weapon cycle early — knowing what comes after your current gun changes how you approach each fight. Don't reload out in the open; there's no animation cancel, so you're a sitting duck for a full second. Jump around corners to throw off aim; most players track horizontally, not vertically. Use melee weapons aggressively when they appear — the lunge distance is longer than you think. On mobile, adjust your sensitivity before the first match or you'll over-rotate every shot.

Q: Is Arsenal Online free to play? A: Yes, completely free with no paywalls or premium weapons. Q: Can I play Arsenal Online on mobile? A: Yes, it supports touch controls and works in mobile browsers. Q: Do I need to download anything? A: No, it runs directly in your browser as HTML5. Q: Is there a multiplayer mode? A: Yes, it's online multiplayer against other players in real time. Q: Does Arsenal Online work on school Wi-Fi? A: If unblocked games are allowed, yes; no special ports needed. Q: Can I choose my starting weapon? A: No, everyone starts with the same pistol and cycles through the same order.