Play Room is a first-person free-play game; you can do whatever you want. There are no rules and no health. Do you want to go pop endless bubbles with a laser? Go to the bubble room.
Do you want to make objects float off the ground without gravity? Use the anti-grav gun. Do you want to launch fireworks? Take the Rubber ball gun to the firework room and hit as many as you can!
Here are a list of the fun weapons you can play with:
Rubber Ball Gun
Anti-grav Gun
Gravity Gun
Singularity Gun (yes you can make black holes)
Blaster Gun
Tractor Beam
Repulser Beam
Cutting Beam
Popper Gun
Firework Gun

Have fun!

*Note: To get more ammo click the Wildcard (W) button and watch a short game ad. Then select the ammo pack you want.