Portal 2: Perpetual Testing Initiative

Yesterday Valve updated Portal 2 to add the Perpetual Testing Initiative. As the video above suggests, the PeTI is an easy-to-use level editor and a place to share the levels you create and play, rate and comment on levels by others. IGN has a great video tutorial that’ll get you started.

Portal 2 has been reduced to £5.09 on Steam until May 11. Continue reading

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