Shorter Metroidvanias?

Hi all. I dont have much time to game, but love the metroidvania genre. Recently ive completed Aggelos, Ghost Song. Can you recommend some MV’s that are a bit on the shorter side to enjoy?

Edit: Wow. Thanks! Great community. You all gave me a lot of suggestions - i went with Islets and been playing and really enjoying it for the last few hours. But looks like i have a lot more to go afterwards!