An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Ittle Dew 2+. In terms of game file size, you will need at least 1 GB of free disk space available. The cheapest graphics card you can play it on is an NVIDIA GeForce 6100. Ittle Dew 2+ system requirements state that you will need at least 1 GB of RAM.
Ittle Dew 2 will run on PC system with Windows XP SP2 and upwards. Additionally it has Mac and Linux versions.