This is a segmented speedrun of Portal: Prelude in 7:55.335 done in 68 segments while never leaving the boundaries of the map. No scripts, tools, restricted console commands or cheats were used for this run.

This run saves 3 minutes and 58 seconds over the previous Inbounds run by sparkle1princess.

Thanks to the developers for creating this mod.

Runners (in order of appearance):

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