Oh my friends, it seems finding time to work on SPID is tough, 41 days since the last update. But update I have. If you somehow have missed the changelog on the front page, here's what's what with v0.0.0.3:

v0.0.0.3 changes

• New level - Compartments
• New obstacle - arrows that push you in the direction they're facing.
• Health pick ups - regain a lost heart (or extra points if you're already full)
• Tutorial speech bubbles now repeatable
• Control change - num pad no longer used. Jump/action now on Z/X keys. No change to gamepad controls.
• You're now alerted to the exit opening.
• Colour coded switches to make it clear what they open.
• Fixed a bug with the wipe to black at the start/end of every level
• Made the climbing bugs more likely to change direction before hitting a solid object.

Known issues: 

• Water displays over GUI in "Ups and Down" level
• It's possible to get stuck in a position where you can't complete "There And Back Again" (whoops)
• If the "climbing bug" can't move in any direction it crashes the game. 
• SPID's bullets can travel through doors.

Thanks for trying this out!