Noise is a constant complaint from groups with commonhouses. It can really pay to hire an acoustical engineer to plan for sound. High ceilings, bare walls and vinyl floors all add up to lots of noise reflection. One idea is to buy several paint drop clothes, give the community kids bright primary color paints and let the kids slop, brush, splash, spatter and handprint paint all over the dropclothes. Stretch the paintings across 2x2 wooden frames, and fill the backside in with insulation.
Lower ceilings make for more intimate feeling spaces.
Think about what time of day you will be using the building the most. If dinner is the most common use time, then consider that most use will be after 4pm and plan for windows that capture the late afternoon light, rather than the morning light. Pick an indoor paint color that will hide marks well, and is a regular color, not a custom blend. Buy a couple of extra gallons for touch up. Kids rooms in the basement don't work too well for kids under 4 and require an adult supervisor.