Instead of writing post mortem here are few statistics

Programming language: C#
Source lines of code: 600
Engine: Unity 3D
DAW: Logic
Other tools: Audacity, Time Lapse Assembler

Programming time: 7 hours
Learning unity: 3 hours
Learning C#: 1 hour
Graphics: 1 hour
Music & sound: 3 hours

You can rate the game here.