
The premise of Bio Menace is delightfully B-movie: you’re Snake Logan, a CIA operative who crash-lands in a city overrun by mutants and alien monsters, armed with nothing but a machine gun and an attitude. Developed by Apogee Software in 1993, it’s a side-scrolling action game that takes its inspiration from Contra and turns the dial to maximum.
About the Game
Bio Menace was developed by Jim Norwood and published by Apogee Software in 1993. Snake Logan, a gruff CIA agent, gets shot down over Metro city and must fight his way out across three episodes filled with mutant creatures. Apogee later released all three episodes as freeware, making the complete game freely available. It uses a modified Commander Keen engine, giving it smooth side-scrolling physics.
Gameplay
Bio Menace is a run-and-gun platformer. Snake Logan moves through large, scrolling levels shooting mutants, collecting weapon upgrades, and rescuing hostages. The weapon selection evolves from a basic machine gun to grenades, flamethrowers, and more. Enemies range from shambling zombies and giant bugs to armored soldiers and massive boss creatures.
Rescuing hostages earns points and occasionally unlocks bonuses. The level design emphasizes exploration with secret areas, hidden item caches, and multiple paths through stages.
Why It’s Worth Playing
Bio Menace occupies a sweet spot between accessible and challenging. The action is immediate — there’s always something shooting at you — but the game gives you enough tools to handle it. The monster designs are creative and grotesque in a pleasingly low-budget horror film way. It’s one of the better examples of Apogee’s shareware model at work: the first episode is complete and satisfying.
How to Download
All three Bio Menace episodes are available free on the Internet Archive:
Download Bio Menace on Archive.org
How to Run with DOSBox
Follow our DOSBox setup guide, then:
- Mount the folder:
mount c C:\Games\BioMenace - Type
c:thenBIO.EXE

