Katalyst Game
Definitive Edition

Platforms: Windows

A FPS game including DeathMatch and TeamDeathMatch, which is now  open source.

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About the game

    This is a FPS game accomplished when I was a junior high student 1 year ago. The game is powered by Unreal Engine 3 and it includes DeathMatch and Team DeathMatch. The game supports LAN online so that you can play this game with your friends by using the LAN. Some of the resources of the game come from the Internet. This is my first indle game and I hope that you would like it. Thanks for your playing.



Move: W A S D

Jump: Space

Crouch: Left Ctrl

Dash: Left Shift

Fire: Mouse 1

Aim: Mouse 2

Change Weapons: 1 2 3 or the Mouse Wheel

Throw Weapons: G

Get on or get off the vehicle: E

Vehicle special fire mode : Z

Reload: R

Scoreboard: F1

Team chat: Y

Public chat: T

Console: ~

Exit: ESC



How to change my team?

    You can change your team by pressing the "~" and then input "changeteam red/blue" in the game. 

How to set my name?

    You can set your name by pressing the "~" and then input "setname xxx" in game. 

Are the bots inside the game real players?

   No, the bots inside are AI player, you can only play with the real players on LAN.

Will the game charge in the future?

   No, the game will never charge for your money. I developed this game just for fun and I gotta share it with anyone intersted in it.

What should I do if I failed to start the game?

    If you failed to start the game, please install the Net 4.0 or the higher versions. 


System Requirements

OS: Windows XP SP3+ (Windows 7 or the higher version is better.)

Graphics card with DX9 (shader model 3.0) capabilities.

CPU:  Intel Core2 Dual-Core

RECOMMENDED Processor:  Intel Pentium Dual-Core E6700 / AMD Althlon X2 250 or better.

Memory:  4 GB RAM or better.

Graphics: Nvidia Geforce GTX650 or better.

Storage: 4 GB available space


Update log


The content updated:

1.Physically based rendering materials.

2.The resolution of textures of FPS models are now 2048x which is 512x before.

3.Solved the problem of die die drawing.

4.Reset the Dash Speed and Jump Height.

5.Realtime capturing reflection.

6.New map: 21Apartment

7.Game editor.

8.Merged two versions of the game, which are called Chinese Version and International Version before.


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