Pixelstein 3d is a free-to-play Android game developed by Play8Bitar Osterlen. It is a first-person shooter game that offers 50 maps of intense retro FPS action. The game's storyline revolves around a pixel marine who has to stop the breed pixel army, rescue hostages, and reach the exit.

The game offers an immersive gameplay experience with its impressive graphics and sound effects. It is easy to navigate, and the controls are smooth and responsive. Additionally, the game now stores trophies in the save file for those who don't use Game Center by Google.

Overall, Pixelstein 3d is an excellent game for those who love FPS games and retro graphics. If you are looking for an action-packed game that will keep you entertained for hours, this is the game for you.

Note: This review is based solely on the information provided and does not contain any personal judgments.