Bromwich will become just the eighth Storm player to reach the milestone on Sunday with older brother Jesse already among the elite company headed by retired captain Cameron Smith.
With a combined tally of 477, the duo have played more NRL matches than any other siblings currently in the game.
"To have eight players do it and then two of them will be us (Bromwich), that's pretty crazy," Bromwich told AAP.
"It's good to be amongst those boys - some of those names, they're club legends and NRL legends.
"Our parents will be at the game as it's parents round at the club which will be pretty special."
Bromwich said it was fitting that he was able to mark 200 games alongside Jesse, who is two years older, given he'd been following him all his life.
The pair have both signed to join new NRL entry the Dolphins in 2023.
"I've been pretty fortunate to have someone like him to guide me along the way and then to be able to end up playing the amount of games that we've played together in the NRL, " the New Zealand international said.
"As a kid everywhere he went I was always following.
"We only played a handful of games together growing up before we came to Melbourne ... it just feels right to follow him."
The career of Bromwich has been a slow burn but the 30-year-old has been integral to Melbourne's sustained success over the past decade, winning two premierships.
Starting his career as a prop in 2013 Bromwich has emerged as one of the game's best edge forwards and currently forms a lethal combination with Cameron Munster, Justin Olam and Nick Meaney.
He's happy to let others take credit but Jesse said his little brother deserved every accolade.
"He really took his opportunity in the second row and I think he's a big reason why that left edge is really dangerous," said Jesse, the Storm captain.
"It's been a bit of a journey for him but now he's a really important part of our team.
"I feel very grateful to be a part of the journey for the whole time and it's really nice for our family - I'm just really proud of him.
"At the start we just wanted to play one NRL game so it's really cool we've both been able to play 200 games at this club which has given so much to us."
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