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Headcrab Frenzy!

Game overview

Headcrab Frenzy!

Headcrab Frenzy is a free dynamic action Half-Life mod which allows you to quench a desire to destroy these little bouncy critters to your heart's content, hold records, get achievements, and try your hand at cooperative gameplay, competing in public statistics.

Free to Play Action Indie Casual Mod
Last tracked players
0
All-time peak
1
24-hour change
Unavailable
Steam reviews
89% positive
227 reviews · via SteamSpy

Delayed observation · last tracked . Values marked unavailable are not estimated.

About this game Read the full description
Headcrab Frenzy is a free dynamic action Half-Life mod which allows you to quench a desire to destroy these little bouncy critters to your heart's content, hold records, get achievements, and try your hand at cooperative gameplay, competing in public statistics. Two game modes, six maps, several headcrab types and gradually increasing "frenzy" scale which can be periodically vent - that's the crux of the mod. Is it casual? There is no doubt. But that's not so simple. To achieve high results and score more points you'll have to resort to various tricks: make combos, ensnare headcrabs, use power-ups (there are four in the game), and prevent other players from scoring, pushing them away by a secondary attack of your crowbar. Each map has its own tricks. By discovering them, you'll find out more ways to get high scores and take the first place in tournament tables!

GAME RULES

  • You start game with 5 lives. Every time you die, you may respawn, until your lives are zero. If they are, the game ends.
  • When you kill 40 headcrabs, you gain extra health points.
  • When you kill 200 headcrabs, you gain extra life.
  • Your health is regenerating with the rate of 2 hp/sec. The faster you move, the faster the regeneration process is.
  • Maximum number of alive headcrabs increases over the time.
  • Headcrabs' health and damage increases over the time also!
  • Killing several headcrabs very fast results in a COMBO!
  • Combo temporarily increases you crowbar's damage, the higher is combo - the longer is increase.
  • When you kill headcrabs, you gain "frenzy". Combos give additional "frenzy" points.
  • If your "frenzy" is full, you may activate it with reload key, to do 16x damage and get extra score!
  • First crowbar swing does full damage, subsequent do the half.
  • Secondary attack of the crowbar is more powerful, but is slower. The amount of "frenzy" points got for killing by such attack, depends on weapon's upgrade value. If the secondary attack doesn't kill a headcrab, it pushes him away. It is also possible to push away other players!
  • Every minute your crowbar is slightly upgraded - it does more damage, critical hit chance is increased, and "frenzy" mode lasts for a longer time.
  • If you kill headcrab tracking you with anything but you crowbar, you get an extra score! This is called "Nice catch".
  • There are more minor rules - just play and discover them!

GAME MODES

  • Ladder - different headcrab types are spawned sequentially.
  • Random - all headcrab types are spawned randomly. Ladder mode goes into this mode after all types are spawned.

POWER-UPS

  • Invulnerability - player is physically invulnerable for all damage types.
  • Invisibility - headcrabs don't attack a player although still track him.
  • Regeneration - health regeneration is 3 times faster (6 hp/sec).
  • Lightning – while attacking, the crowbar periodically makes an electric discharge to the nearest target. The discharge has chain effect stacking up to 8 targets.
Powerups last for 20 seconds. They respawn in 1 min plus-minus several seconds in a single player game. There may be powerups of the certain type on maps, or a random powerup - it may be different on every respawn. Server may turn powerups off or tweak their respawn times.

MAPS

There are 6 maps in the mod. After completing a level and learning the score, press an action key in several seconds, and you'll travel to the next map (in multiplayer) or to the start map (in singleplayer). To complete Headcrab Frenzy for 100%, you have to win each map for each skill level (easy, medium, and hard).

COOPERATIVE

Start the game after all players are in. It also can be restarted (using a hcf_restart command). To restart an internet server, including official public server, use a spectator vote system (press DUCK, then VOTES, then select a restart vote in the menu). Your multiplayer score is published on statistics server (only if you play on an official public server). Player is identified by his Steam ID. Please note that your score is published ONLY if you complete the level (either all players are dead, or a time limit is hit), and server performs a level change.

Player activity

Concurrent players over the last 48 hours.

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System requirements Windows · Linux

Windows

Minimum

Minimum:
  • OS *: Windows XP or newer
  • Processor: CPU 500 MHz
  • Memory: 128 MB RAM
  • Graphics: 64 Mb video card
  • Storage: 200 MB available space

Recommended

Recommended:
  • OS *: Windows XP or newer
  • Processor: CPU 1 GHz
  • Memory: 512 MB RAM
  • Graphics: NVIDIA GeForce 8600/9600GT, ATI/AMD Radeon HD2600/3600 (Graphic Drivers: nVidia 310, AMD 12.11), OpenGL 2.1 or better
  • Storage: 200 MB available space

Linux

Minimum

Minimum:
  • OS: Linux Ubuntu 12.04, Debian Jessie or similar
  • Processor: CPU 1 GHz
  • Memory: 1 GB RAM
  • Graphics: 64 Mb video card
  • Storage: 250 MB available space
  • Sound Card: OpenAL Compatible

Recommended

Recommended:
  • OS: Linux Ubuntu 12.04, Debian Jessie or similar
  • Processor: CPU 1 GHz
  • Memory: 1 GB RAM
  • Graphics: NVIDIA GeForce 8600/9600GT, ATI/AMD Radeon HD2600/3600 (Graphic Drivers: nVidia 310, AMD 12.11), OpenGL 2.1 or better
  • Storage: 250 MB available space
  • Sound Card: OpenAL Compatible
Game details Languages, features & support
Publisher
Crystice Softworks
Achievements
30
Features
Single-player, Co-op, Steam Achievements, Steam Cloud, Stats
Languages
English*
*languages with full audio support
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
playable
Valve compatibility test
Input
Controller support: unknown
Structured language support (1)
LanguageInterfaceFull audioSubtitles
EnglishYesYesYes
Steam store page fresh · checked 2026-11-04 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
Achievement progress Rarity & completion patterns

Achievement Difficulty

Global unlock percentages are not exact completion or retention metrics.

Steam source
Achievements measured
30
Hunter score
66.2 / 100
SteamIQHQ inference from rarity and count
Progression analysis
Achievement rarity is available, but milestone order is not defensible.

Rarest achievements

Killer7 11.4%
Killer8 11.4%
Killer5 11.5%
Killer6 11.5%
CompleteMatchCount 11.6%

Difficulty distribution

Ultra rare (<1%)0
Very rare (1–5%)0
Rare (5–20%)21
Uncommon (20–50%)8
Common (50%+)1
Observed Nov 09, 2026 14:17 UTC · fresh
More analysis Activity patterns, updates & developer tools

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Genre Benchmarks

Player Count Top 29%

Activity Heatmap

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Developer Analytics

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Frequently Asked Questions

Is Headcrab Frenzy! free to play?
Yes, Headcrab Frenzy! is free to play on Steam.
What genre is Headcrab Frenzy!?
Headcrab Frenzy! is a Action, Casual, Free To Play, Indie game.
Who developed Headcrab Frenzy!?
Headcrab Frenzy! was developed by Crystice Softworks and published by Crystice Softworks.
What platforms does Headcrab Frenzy! support?
Available on Steam for Windows, Linux.

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