The game is currently in development with a demo playable on Steam.
Gameplay description from steam store page.
BioCrisis : Return 2 the lab takes place just after the events of BioCrisis.
The game is a rail shooter where you can use a mouse or a light gun to aim and shoot at zombies.
Throughout 5 chapters and 3 secret chapters, you will face numerous situations and abominable creatures escaped from the lab.