There are many different ways to wake up, some better than others, and it's safe to say that "in a giant specimen tube in a decrepit lab as it shatters and dumps you on your face" is one of the lesser options. A boy with no memory of how he got there is oddly accepting of his strange circumstances, including the catlike AI that greets him and explains that they've got to get out of the lab before the power goes down and seals the place forever. Cat-AI (Sec-urity Sy-stem, trying to get people to call it SecSy for short with mixed results) hops into a mask the kid wears propped up on his forehead, and together the two set out to escape.
Hayaku! Island of Darkness is an NES-styled metroidvania action adventure that's currently got an active playtest running on Steam, basically the first hour or two from humble beginnings to powering up enough to take on the first major boss. A look at the Steam page linked in that last sentence will show that there's a lot more gameplay systems than are shown off in the playtest, but it's still enough to get a sense...
