Boulder Dash games in order

All 3 games of the Boulder Dash series in the order they came out, from Boulder Dash (1984) to Boulder Dash: Construction Kit (1986).

1. 
   Boulder DashAtari 8-bit, ZX, CPC +14 · First Star Software
   72Feb 1984
2. 
   Boulder Dash IIC64, MSX, DOS +2 · First Star Software (pub.)
   701985
3. Boulder Dash: Construction KitC64, Apple II · First Star Software
   1986