Commander Keen
Crossovers
WolfenKeen by KingSnow5092 reviews
Mortimer has gone back through time to take over the world during WWII and becomes the new ruler but Keen went back through time with him in order to stop him and with help from his grandpa BJ Blazkowicz from the past they will try to stop Mortimer from taking over the world! A slight AU of Wolfenstein The New Order.
Crossover - Wolfenstein series & Commander Keen - Rated: M - English - Family/Sci-Fi - Chapters: 3 - Words: 12,610 - Reviews: 1 - Updated: 12/8/2020 - Published: 11/29/2020 - Billy B., Commander Keen, Other
Get Your Arse to Mars by Hawki reviews
Oneshot: Turns out you don't only encounter demons on Mars, but also aliens. Who'd have thought?
Crossover - Doom & Commander Keen - Rated: K - English - Humor/Parody - Chapters: 1 - Words: 556 - Reviews: 3 - Favs: 6 - Follows: 2 - Published: 6/16/2019 - Doomguy, Billy B., Commander Keen - Complete
The League of DOS Heroes in Council by Crossover Dreamer reviews
This story is a parody of the Aesop's fable "The Mice in Council." Commander Keen asks heroes from various DOS computer games for ideas on how to get past the Dopefish in the Well of Wishes. "Secret of the Oracle," aka "Goodbye, Galaxy!" Has concepts similar to "Wreck-It Ralph" and "Super Smash Bros." Smash Mansion stories. Edited April 19, 2016.
Crossover - Game X-overs & Commander Keen - Rated: K+ - English - Parody/Sci-Fi - Chapters: 1 - Words: 852 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 10/22/2013 - Billy B., Commander Keen - Complete