Cross-platform external injection software for the GoldSource Engine that provides additional speedrun-related features such as in-game timer, speed info, etc. https://github.com/YaLTeR/BunnymodXT (external link)

Last Updated: 9 Feb 2016

All-in-one package containing Bunnymod XT, RInput and all major GoldSrc games. (external link)

Last Updated: 21 Feb 2016

Highly customizable demo capturing software. (external link)

Last Updated: 25 Nov 2014

Sleeker, more legible HUD - now fully compatible with OP4 (all sprites show up correctly)! (direct download)

Last Updated: 26 Dec 2021

Fork of the Half-Life 2005 Package set up for running Opposing Force. Includes RInput, BunnymodXT and miscellaneous for OP4 speedrunning. (external link)

Last Updated: 16 Jan 2022

Replaces the green filter to a transparent sprite. I also added a mute sound for the platforms on "Worlds Collide". (direct download)

Last Updated: 25 Feb 2018

For use in Individual Chapters updated with bxt_record & bxt_timer. Demo will be named "IL.dem". Gives you appropriate items and correct timing for that level. Type 'exec <name>.cfg' in console to use. (external link)

Updated the practice saves with armor/health/ammo to fit the current route + adjusted a few save locations (direct download)

A few saves for practicing. (external link)

Splits for each chapter in Half Life. (direct download)

Subsplits of each map for a more precise time. (direct download)

Splits for hl:op4 which include map splits as subsplits, for more accurate timing (direct download)

The Real-time protection feature for windows needs to be disabled before downloading the patch. This patch will help downgrade your Opposing Force from steam to the WON 1.1.0.4 version, includes Bunnymod XT and Raw Input. Read the Instructions! (direct download)

Last Updated: 25 Mar 2018

Necessary files for playing v1.1.0.4 using modern clients. (external link)

Last Updated: 19 Mar 2015