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Kiwi Games

Critical Strike Zero

By G55.CO

Critical Strike Zero drops you into a first-person deathmatch where the goal is simple: outshoot the rival players sharing the map with you. You spawn with an AK47, 100 HP and a magazine counter, and you can press B to open a buy menu stocked with modern weapons like the MP7 and P90. It runs free in your browser on desktop, no download needed.

Game info

Developer
G55.CO
Rating
Not yet rated
Release date
Jun 26, 2020
Last updated
Sep 28, 2026
Technology
Unity WebGL
Platforms
Web Browser (Desktop)

Controls

  • WASD — move
  • Mouse — aim and shoot
  • R — reload
  • B — open the weapon buy menu
  • T — open chat
  • P — pause

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How to Play Critical Strike Zero

Each round starts with a countdown clock at the top of the screen and a short window to shop. Press B to open the weapon menu, which is split into Primary, Secondary and Special tabs — the AK47 is already equipped, and other guns such as the MP7 and P90 sit alongside it with a price and a Buy button. An on-screen prompt tells you how many seconds are left before the buy menu closes.

Once you are out of the menu, it's standard first-person movement and shooting. WASD walks you through the maps — indoor warehouse corridors with crates and shuttered bays, and sunlit rooftops and courtyards with ladders and low walls to peek over. Your HUD keeps three numbers in view at all times: health on the left, cash in the middle, and current magazine against total reserve ammo on the right (30 / 150 with the AK47).

Aim with the mouse, click to fire, and press R to reload before your magazine hits zero. Messages announce when other players join the game, and T opens chat.

Tips

  1. Press B as soon as the round starts — the buy prompt counts down and closes after a few seconds.
  2. Watch the right-hand counter; reloading with R at 5 or 6 rounds left beats getting caught at 0 / 150 mid-fight.
  3. Use the crates and low walls in the warehouse and rooftop areas as cover while you line up shots down long sightlines.
  4. Check the Secondary and Special tabs in the buy menu, not just Primary, so you know what your cash can actually cover.

Features

  • Deathmatch mode against rival players
  • Several detailed maps, from indoor warehouses to rooftop courtyards
  • Buy menu with Primary, Secondary and Special weapon tabs, including the AK47, MP7 and P90
  • In-game text chat
  • Health, cash and ammo readouts on the HUD

Frequently Asked Questions

Is Critical Strike Zero free to play?

Yes. It plays free in your web browser with no download or install.

Can I play Critical Strike Zero on a phone?

No. It is listed as a desktop game and needs a keyboard and mouse, so play it on a computer in landscape view.

Who made Critical Strike Zero?

It was developed by G55.CO and released in 2020, built with Unity WebGL.

Is it multiplayer?

Yes. You fight rival players in deathmatch, and the game posts a message when another player joins.

How do I change weapons?

Press B to open the buy menu, then pick from the Primary, Secondary or Special tab and hit Buy on the weapon you want, such as the MP7 or P90.