Patch version 1.1 — Unchained Steam update #1548385

In this version we're introducing the following updates: Implemented Steam achievements! Make 10 headshots using the Railgun Kill 20 players with the chainsaw Telefrag 10 players New features! Using the chainsaw gives the player a 10% speed boost Menus can be navigated using gamepad When players pick up the agility power up, they will leave a particle system trail behind them while sprinting Bug fixes & adjustments Server browser games display ping information Explosive barrels cannot be moved anymore During boot up, if the system requirements are not met, only a warning message is displayed in the console, instead of preventing the player from playing the game Invisibility power up has been nerfed, rendering the player more visible now