When comparing Undertale vs Mario Tennis Aces, the Slant community recommends Undertale for most people. In the question“What are the best single-player games for the Nintendo Switch?” Undertale is ranked 8th while Mario Tennis Aces is ranked 17th. The most important reason people chose Undertale is:
Just like the simple but pleasant graphics in the game, the music matches this with a retro-sounding score that fits right in with the art style. There are a lot of catchy tunes that only use a few sounds to make up memorable songs. The simplicity really adds to the charm, with some of the songs easily able to get stuck in your head for days at a time. It's nostalgic enough for older gamers who grew up in the early eras of gaming, while still having enough to pull in newer gamers who aren't as familiar with games from the 1980s and 90s. There's something here for everyone.
Specs
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Pros
Pro Incredible soundtrack
Just like the simple but pleasant graphics in the game, the music matches this with a retro-sounding score that fits right in with the art style. There are a lot of catchy tunes that only use a few sounds to make up memorable songs. The simplicity really adds to the charm, with some of the songs easily able to get stuck in your head for days at a time. It's nostalgic enough for older gamers who grew up in the early eras of gaming, while still having enough to pull in newer gamers who aren't as familiar with games from the 1980s and 90s. There's something here for everyone.
Pro Amazing characters
The characters in the game are written well, each with their own unique personalities. Some may be too shy, and will lower their hit points when you attack them in battle, just to avoid offending you. Others are deeply caring and do their best to help and protect their friends and family, including you as the player. Many of the characters are quite funny in their dialog and the unexpected choices they make throughout the story, including the ways they react to your choices. Almost every character is incredibly memorable and enjoyable to get to know better.
Pro Many interesting secrets to find
There are many secrets to discover in the game, like hidden mechanics that might take you by surprise. It may take a couple of playthroughs to find them all, but once you do, it may completely change how you see the story, the characters, and a lot more. There's a lot more to Undertale beneath its simple-looking surface.
Pro Your choices lead you down different story paths
Depending on your choices, your playthrough can change in drastic ways. If you don't want to kill enemies in battle, you can choose to have a dialog with them instead. Doing this consistently is basically a pacifist playthrough where you don't kill anyone, and characters respond to you in certain ways based on that. Or you can go for a genocide playthrough, which is basically what it sounds like, where you kill everyone you come across whenever you get the chance. This can have serious consequences, since the game does its best to make you feel bad about this approach, by having certain characters hate you. It's an interesting way to get to see the world and story from different angles.
Pro Couch co-op with a friend is tons of fun
Playing with a friend right beside you makes the game much more enjoyable. Reacting to each other in real-time is just better than playing against a computer opponent. There's no online co-op -- only multiplayer matches against random people -- meaning you'll have to be in the same room together to play.
Pro Solid roster of Nintendo characters to play as
There's a good variety of characters you can play as. If you're familiar with first party Nintendo games, then you'll see a lot of familiar faces here, like Yoshi, Bowser, Donkey Kong, Luigi, Peach, and of course Mario. Everyone has their own playing styles, with bigger characters like Bowser and Donkey Kong favoring hard-hitting power shots, and others like Yoshi and Mario that have a more balanced approach. You can go with whichever style or character you prefer, practicing with them until you master everything. Getting to see all of these characters together in one game is great for fanservice as well.
Pro You can compete against others online in multiplayer
When you run out of single-player content to enjoy, you can hop online to play against random opponents. The main game mode is the tournaments you can play, which rewards you with special characters if you score well. Online connectivity is good too, especially with the choice to drop out of matches beforehand against players who have bad connections. Playing online is a really great way to test your skills and improve your play, since anyone you get matched with is an actual player who has their own strengths and weaknesses.
Pro Intense and engaging tennis matches
Mario Tennis Aces is incredibly addicting to play. Matches are fast-paced and exciting, with one particular mechanic that keeps things unpredictable. Every time you successfully hit the tennis ball to your opponent's end of the court, you build up a power meter that you can use in a couple of different ways.
When you want to quickly finish off a match, you can slow down time and take aim at a vulnerable corner of your opponent's court for an instant win. Or, if they try to do that to you, you can instead expend some of your power meter to quickly reach the ball and hit it back. Things can get pretty tricky when you both use up your power meters at the same time, leading to some satisfying wins.
Cons
Con Replaying can be a chore
The first time going through the game it's a nice experience, especially when you know nothing about the characters, story, mechanics, etc.. By your next playthrough, you already know all the jokes and plot points. Even when taking a new route, it can take a while for you to notice anything different from one playthrough to the next, making things feel like a drag.
Con The visuals could be better
Much of the game is plain-looking with simple graphics, but sometimes the visuals are just awful. The pixel art can be charming for some players, though it's hard to ignore when certain areas are barren or have ugly textures. It's notable that a single person created the whole game; it would have been nice if they'd had more time or resources to clean up some of the visual problems.
Con Community
The community is not very mature. That's all.
Con Punishes you for playing an RPG game like you would normally do
Remember when you accidentally killed that monster? Well, we're going to make you hate yourself for it.
Con Very wide skill gap between experienced and inexperienced players
Mario Tennis Aces can be unwelcoming to new players. While playing co-op or online, it's tough to catch up with everyone else who knows how to time their power shots with the meter. If you don't pick up on this mechanic fairly quickly, you may feel like you're getting left behind. You don't necessarily have to use the mechanic if you and a friend agree not to, but this sadly makes matches pretty dull. Running against computer opponents is a good way to get your feet wet before moving up to other levels of play.
Con Limited gameplay options for solo players
If you're the type who prefers to game alone, then Mario Tennis Aces might not be for you. There's only one single-player mode, while the rest of the game is mostly dedicated to co-op and online play. The solo mode is also extremely short, clocking in at around four hours. Aside from that, there really isn't much else for you to do.
Con Certain characters are locked behind online tournaments
The primary way to unlock new characters is to win tournaments, but this isn't entirely fair. They're only available for a limited amount of time, with the rewards changing from tournament to tournament. Even though some of these characters are in the actual game as opponents in the single-player adventure mode, you can't get access to them unless you unlock them through these tournaments. If you don't like playing online, or if you don't have the means to pay for Nintendo's online service once it's implemented later on in 2018, then you're basically out of luck.
Con Single-player adventure mode is pretty difficult
The game's adventure mode makes up for its short length with some real difficulty. It's a rough introduction to the gameplay, as some of the matches and bosses are really hard. There's plenty of variety to things, like courts that have certain hazards in your way and uneven terrain such as tall grass, as well as inventive boss designs like a giant squid that shoots out tennis ball-shaped blobs of ink. But all of these things can get quite overwhelming, especially if you're using the single-player mode to get better at the game.