Megalovania but PVZ style, it's Nostalgia in a new refreshing view.
Apologies for the thumbnail. Also looks like Starbound managed to force it's way into this video, Starbound is legit a good game despite what all of the reviews mostly say, but Undertale and PVZ are good games too, classics.
Me Rambling:
Coincidently, just recently back (way after this track was created) I saw a video where sans fought the zombies with gaster blasters, I was left confused due to the bad greenscreen editing but also satisfied.
Ryan Garfield currently has 257 views spread across 1 video for Plants vs. Zombies. Less than an hour worth of Plants vs. Zombies videos were uploaded to his channel, or 1.88% of the total watchable video on Ryan Garfield's YouTube channel.