Hhaha love it! This was really fun and charming. I was really enjoying my playthrough a lot and was looking forward to playing the whole thing, but i got REALLY stuck on level 5. The timing for the red portal seemed impossible for me to get it no matter how hard I tried. The one time I got from blue -> red without getting killed by the fan... I failed to press V at the right moment to get the keycard xD
Only glitch I found was if you are holding a movement direction when you press up to exit, your player keeps walking into the wall (doesn't really impact gameplay tho so not a big deal)
Really creative and interesting concept tho. I thoroughly enjoyed all of the sound effects. Would have been cool to have a level selection or skip button so I could have tried some more levels :)