Q1 2018Q4 2017Q3 2017Q2 2017Q1 2017
Same-store sales growth-5.1%-6.0%-6.9%-3.8%-2.8%

Notes:Same-store sales, referred to by the company as "comparable store sales," includes sales from company-operated locations open more than 18 months, or acquired stores that have open more than 12 months; Beginning with Q1 2015, same-store sales are inclusive of both the Chuck E. Cheese's and Peter Piper Pizza concepts