What if there was a variation for Minecraft?
You would need:
1 high end gaming computer
1 USB hub if needed
1 large TV
1 keyboard with everything but the W key removed
1 keyboard with everything but the S key removed
1 keyboard with everything but the A key removed
1 keyboard with everything but the D key removed
1 keyboard with everything but the E key removed
1 keyboard with everything but the shift key removed
1 mouse with everything but the optical sensor removed
1 mouse with everything but the scroll wheel removed
1 mouse with everything but the right button removed
1 mouse with everything but the left button removed
10 people
1 premium Minecraft account
Less people, but more teamwork required. And the mice that only have one button don't have a sensor.