Chris Ratcliff (Ryback)

Chris Ratcliff (alias Ryback; born January 21, 1979) is an Australian Doomer and speedrunner.

History
Until 2017, he submitted over 290 demos to the Compet-n database and over 1400 demos with a total duration of 161 hours to the Doom Speed Demo Archive, ranking him fifth in demos count and fourth by duration. He is one of the most successful speedrunners who play with keyboard only.

Current Compet-n records
The following data was last verified in its entirety on July 17, 2020.

Level runs for the original Doom games

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Level runs for the PWADs
Chris holds 53 additional map records: seven for Alien Vendetta, 29 for Hell Revealed, eight for Memento Mori, one for Memento Mori II, and eight for The Classic Episode.

Other records
Chris also holds one episode/full run record for The Ultimate Doom.