We Love It's Guide to…
As Bek, a microscopic vaccine inside a dog, shoot viral threats and explore its organs to fight a deadly infection.
Released 31 Jul 2024
Explore Dog Organs
Shoot In Every Direction
Unlock New Guns
Get injected into the microscopic world of BioGun. Face viral threats and winding corridors on your mission to save man’s best friend from the inside. Will you save dog-kind from extinction?
Developed by Dapper Dog Digital · Published by Dapper Dog Digital









You play as Bek, a microscopic vaccine sent inside a dog to fight the Dooper Virus. The journey moves through the dog's organs, where viral threats and other microscopic life forms inhabit the winding passages.
BioGun is a side-scrolling shooter with twin-stick aiming: move, jump, and fire in any direction as you battle enemies and face bosses inspired by diseases. You can also take on side missions to help cells in need.
Explore to uncover secrets, find rewards, and revisit places that become accessible with new movement abilities. Progress by unlocking weapons and powers, while Nano-Chips let you modify your playstyle.
Players who enjoy BioGun often point to its unusual microscopic setting, colorful art and animation, and the fun of exploring for secrets and upgrades. The twin-stick shooting, varied weapons, bosses, humor, and music also earn praise. Some players find the controls or navigation frustrating, and many reviews report bugs, softlocks, or performance problems that interrupt the experience.
Join Bek on his journey to save the entire canine species from an extinction caused by the sinister Dooper Virus. Inject yourself into a zany hand-drawn world of germs, cells, and winding passages full of vibrant characters and ferocious bosses with a story that takes place inside our beloved pets.
Give your dog a fighting chance by aiding its immune system to fight off the Dooper Virus. Befriend cells on your journey, absorb new powers from vanquished foes and explore vital organs to prevent them from failing! Will you be the vaccine to save dog-kind from extinction?
Fast paced side-scrolling 360 shooter action with all the modern gameplay mechanics you’ve come to expect and more.
Blast your enemies with an impressive array of weapons. Augment your DNA and modify your playstyle using Nano-Chips. Take on bosses inspired by real diseases in uniquely designed encounters.
Complete side missions to aid Cells in need. Explore each organ to earn rewards and learn about the life forms that live there.
Traverse a hand-drawn microscopic world full of traditionally animated cells, germs, viruses and bacteria. Meet the wondrous creatures, both friendly and hostile, that inhabit it. Discover the many secrets cleverly hidden in your dog's body.
You will be accompanied on your mission by a blood-pumping score by Juhani Junkala
Save humanity's best friend. Prove that you’re the vaccine that can put an end to the pet-demic. What are you waiting for? Put on your hazard suit and blast some viral scum! The fate of dog-kind is in your hands!


| Platforms | Windows, Linux |
|---|---|
| Steam Deck | Unsupported |
| Achievements | 34 |
| Age ratings |
|
| Controller support | Xbox |
| Controller required | No |
| Demo | View demo on Steam |
| DLC / extras | 1 listed on Steam |
| Website | Official website |