Pleasant and fun !
A very nice little stealth game with humor and a story (surprisingly !)
The mechanics were good and the difficulty was bang on.
The voice acting was pretty good too, especially with the guards in the bonus scene.
You could try enhancing this by making the distracted guards return to their posts after a time limit.
And the agent could shoot paralyzing milk streams from his udders to incapacitate the bad guys.
Overall, a good game. Cheers!