Or Biomenace, or BioMenace, or whatever suits your needs best.
Get the game here (http://www.3drealms.com/menace/). Direct download link (http://ftp://ftp.3drealms.com/freeware/bmfreew.zip).
-It's a platformer!
-You have a mullet and an assault rifle!
-Fight both mutants and robots at the same time!
-Marvel at Jim Norwood's ability to actually draw things at a reasonable scale!
-Possibly original music by Bobert Prince!
-A "Hard" mode that's actually hard!
-Discontinued and thus released as freeware!
-Weepy, albeit short, "good old days" monologue included! (Though it turned out to be kind of prophetic, referring to indie games.)
In all seriousness, this is in my opinion a great game, which I've been playing and replaying since before anyone used Windows. I decided to post it here only now. Those wondering how to play it without actually installing DOS should try DOSBox (http://www.dosbox.com).
Required but honestly useless screenshots, lazily taken from the game page:
(http://www.3drealms.com/menace/images/menace1.jpg)(http://www.3drealms.com/menace/images/menace2.jpg)
(http://www.3drealms.com/menace/images/menace3.jpg)(http://www.3drealms.com/menace/images/menace4.jpg)