Krunker is one of the most iconic browser-based FPS games ever made — a fast-paced, pixel-art multiplayer shooter with 16 unique classes, 32 game modes, slidehopping movement mechanics, a built-in map editor, and a massive community of competitive players. Originally created by brothers Sidney and Vince de Vries and now developed by FRVR (formerly Yendis Entertainment), Krunker delivers a full competitive FPS experience free in your browser on PLRun with no download required.
Krunker is a free online HTML5 first-person shooter originally released on May 20, 2018 by Yendis Entertainment, a studio founded by Swiss brothers Sidney and Vince de Vries. In 2022, Yendis was acquired by FRVR Limited, which continues active development. The game has surpassed 200 million players worldwide, making it the most played browser-based FPS in history. Built with clean pixel-art visuals, Krunker runs at high frame rates on virtually any device — including low-end laptops — while packing in features that rival downloadable shooters: 16 classes, 32 game modes, hundreds of community-built maps, a ranked competitive system, a cosmetic marketplace, and a built-in game editor. Its signature movement mechanic, slidehopping, adds a skill-based mobility layer that separates Krunker from every other browser game in its genre.
From the main menu, you can jump into a public match instantly, browse custom servers, or enter private games using a room code or URL. Matches typically support up to 8 players, last around 4 minutes, and reward you with XP and in-game currency.
| Action | Key/Input |
|---|---|
| Move | W, A, S, D |
| Aim | Mouse |
| Shoot | Left Mouse Button |
| Aim Down Sights (ADS) | Right Mouse Button |
| Jump | Spacebar |
| Slide / Crouch | Shift (or Left Shift) |
| Crouch | C |
| Reload | R |
| Spray / Interact | F |
| Switch weapons | Mouse Wheel or Number Keys (1–5) |
Slidehopping is Krunker's signature movement mechanic and the single most important skill to learn. It works like this:
Slidehopping dramatically increases your movement speed, makes you far harder to hit, and lets you reposition faster than players who simply walk. The competitive playerbase considers it essential — the gap between a player who slidehops and one who doesn't is enormous.
Krunker features 16 unique classes, each with a distinct primary weapon, secondary options, health pool, and movement speed. Here are the core classes:
| Class | Primary Weapon | Playstyle |
|---|---|---|
| Triggerman | Assault Rifle | Balanced, beginner-friendly |
| Hunter | Sniper Rifle | Long-range, one-shot potential |
| Run N Gun | Submachine Gun | Fast, aggressive close-range |
| Spray N Pray | Machine Gun (LMG) | Tank — highest health, slowest speed |
| Vince | Shotgun | Devastating close-quarters |
| Detective | Revolver | Precise single-shot, medium range |
| Marksman | Semi-Auto Rifle | Consistent damage output |
| Rocketeer | Rocket Launcher | Area control with splash damage |
| Agent | Akimbo Uzis | High-speed dual-wield spraying |
| Bowman | Crossbow | High-risk, projectile-based skill shots |
| Commando | FAMAS (burst rifle) | Burst-fire precision |
| Runner | Melee-only (Knife) | Maximum speed, no ranged weapon |
Additional classes like Infiltrator, Mechanic, and Convict offer niche playstyles for experienced players. Each class has a selection of secondary weapons (Pistol, Desert Eagle, Sawed Off, Grappler, and more) that you can customize before a match.
As of the latest update, Krunker has 32 total game modes — 7 public, 8 party modes, and the rest are custom. Key public modes include:
Party modes include Gun Game, Prop Hunt, Hide & Seek, Parkour, Race, Boss Hunt, and more.
Krunker includes a powerful built-in map editor where you can create custom maps, game modes, and even entirely new game experiences. The Krunker Editor has evolved into a full game development platform — community creators have built parkour courses, trickshot arenas, aim trainers, mini-games, and competitive maps that the broader community plays daily. Hundreds of user-created maps are available through the custom server browser.
No amount of aim improvement will compensate for walking speed in Krunker. Slidehopping (jump → Shift before landing → jump again) makes you 2–3x faster and dramatically harder to hit. Spend your first 30 minutes in a Parkour or Freeroam custom map practicing the rhythm until it becomes automatic.
The Triggerman class (Assault Rifle + Pistol) is the most balanced class with forgiving stats: 100 HP, moderate speed, manageable recoil, and a fast fire rate. Master it before experimenting with specialized classes like Hunter or Bowman, which punish missed shots far more harshly.
Krunker rewards headshots with significantly increased damage — especially for Hunter (sniper) and Detective (revolver). Always keep your crosshair at the height where enemy heads will appear as they come around corners. This pre-aiming eliminates the need to flick vertically, making your shots faster and more consistent.
Kranked forces you to get a kill every 15 seconds or explode, which trains aggressive positioning and fast target acquisition. The speed, reload, and fire rate boosts during an active Kranked streak also teach you how to play at higher movement speeds — skills that directly transfer to FFA and competitive modes.
The community has created dedicated aim training maps accessible through the custom server browser. Search for "aim trainer" or "flick practice" to find lobbies designed specifically for warming up. Spending 5–10 minutes here before jumping into public matches measurably improves first-shot accuracy.
Every class has weaknesses. Spray N Pray (LMG) has the highest health but is the slowest — exploit this with slidehopping and close-range shotgun attacks as Vince. Hunter dominates long sightlines but struggles in tight corridors — push them with Run N Gun or Agent. Learning which classes counter which prevents you from taking unfavorable fights.
Open any official map in the editor to study its layout from above. Identify spawn points, common traffic lanes, and power positions (elevated spots with clear sightlines). This top-down knowledge gives you a huge advantage over players who only learn maps reactively through gameplay.
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