Alright, so choosing just one game is tough, so I'm gonna go with a list. So here we go! [b]Kirby Air Ride[/b] [spoiler]This was the first one to come to mind. I love Air Ride so much, and it's crazy to me that there's never been anything trying to replicate City Trial. The Changes: -There is a new control scheme. Players can choose between the Remastered controls, or the Classic. In the classic controls, everything is played using the A button and the joystick. Remastered controls changes things a little bit: A is to slide, B is to inhale/use ability, and R is to spin. The New Stuff: -Top Ride and Air Ride now have double the amount of tracks. -City Trial now has 3 cities to choose from. Each city has its own events. -New Special Characters (like Dedede and Meta Knight from the original). If we go crazy, I would say the entire cast of Dream Friends from Star Allies, but it'd probably be a bit more dialed back. -Special Characters can appear in City Trial. They act just like regular vehicles. You just approach them while not on a vehicle and Kirby will vanish, letting you take control of them. If they die, or you "dismount", Kirby comes back. -Maybe a new Legendary Air Ride Machine?[/spoiler] [b]Sonic Heroes[/b] [spoiler]While Shadow the Hedgehog is probably the definitive game in the Adventure era (more on that in a sec), Sonic Heroes is a close second. And yeah, I said it, Sonic Adventure 2 ain't that great. Better than SA1, but not nearly as good as Heroes or Shadow. Anyway. The Changes: Probably nothing, tbh. I wouldn't mind some sort of "Expert Mode" like Shadow the Hedgehog, maybe--where there are just ultra tough versions of every level after beating the game. If I were to change anything, it'd to be trying to make the teams less of a difficulty slider (Rose - Easy, Sonic - Normal, Dark - Hard, Chaotix - ???), and instead give them something more unique, but that might be getting into Remake territory. The new stuff: -Metal Sonic mode. There was a huge rumor back in the day, where getting all A ranks would unlock "Team Eggman", where you play as Eggman, Metal Sonic, and Chaos. While let's not do that, a Metal Sonic mode would be fun. Unlocked by beating the game, there would be no story. Metal Sonic flies solo, but he can switch "modes" that represent the team roles of other team. In other words, he has a Speed Mode, where he acts like a Speed character, a Power Mode where he acts like a Power character, and a Flight Mode where he acts like a Flight character. This could be the aforementioned "expert mode". -Beating Metal Sonic mode allows you to toggle character appearances. Regular characters have a "metallic" variant (which was actually in the base game, but is now an unlockable rather than just holding down buttons during loads), and Metal Sonic himself can take on his Neo Metal Sonic appearance, which debuts in this game as the final boss.[/spoiler] [b]Shadow the Hedgehog[/b] [spoiler]The story in Shadow the Hedgehog may be edgy as all jannolor, but the level design here is some of the best in the series. I want this game back. The Changes: None. I mean, I wasn't a fan of the keys, but y'know, not a huge deal. The New Stuff: To be honest, I don't even know what to add to this game. Expert Mode is already a thing, the levels are all great, so I dunno. I love Shadow the Hedgehog just the way it is.[/spoiler] [b]NiGHTS into Dreams[/b] [spoiler]One of the most underrated franchises of all time, imo. Sure, the second game wasn't as good, but like, both games were really fun, and the world is great, and the character designs, peak. I can actually still play this one, so this one's not me trying to reclaim something I don't have, but rather I want to add to this. The changes: None! NiGHTS is perfect just the way it is! The new stuff: More levels. At least 6. They could be a postgame thing, or a bonus round thing, I don't really care, I just want more levels. That's it. Only change. NiGHTS is already perfect as is. If we really want to, we can base these levels off of the sequel levels.[/spoiler] [b]Yar's Revenge (2011)[/b] [spoiler]Not to be confused with "Yars' Revenge", this is an on rail shooter, where you control an anime girl fly lady as she fights a bunch of bug monsters and robots. What else do you really need. The changes: Probably none. The new stuff: Just gimme more levesl. Some postgame story mode, probably.[/spoiler] Pokemon Colosseum/Pokemon XD [spoiler]Can I put these two together? They really should be remastered together. I love the Shadow Pokemon games, because unlike the mainline series, you can't just make whatever team you want. The goal of these games is to catch Shadow Pokemon, and then purify them. This means your team is constantly changing, as the only way to purify Shadow Pokemon is to battle with them. The changes: Probably some sort of Pokemon transfer. Compatible both between these two games, and the other Pokemon titles on the Switch. I would make it only available post game, though. The new stuff: I wouldn't mind some sort of postgame dungeons. I dunno, these games were pretty complete as is, nothing new needed.[/spoiler] And that's all that's coming to me right now. TTYD would've been a big one, but that's already getting a remaster. I wouldn't mind a Kirby collection on the Switch for some of the DS games, and a port of Kirby's Dream Collection would be nice, but I wouldn't need them remastered, just straight up ports work for me.