When comparing Undertale vs Master Spy, the Slant community recommends Undertale for most people. In the question“What are the best 2D games on Steam?” Undertale is ranked 17th while Master Spy is ranked 61st. 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 Invisibility cloak
Players get an invisibility cloak in the game as a main mechanic where it is used to sneak around. Of course movement is limited when in use which makes for some great puzzle aspects to the game when trying to figure out how to best sneak around.
Pro Over 30 minutes of pixel video cutscens
Reminiscent of 2d pixel games from the past Master Spy implements a variety of video cutscenes to further flesh out the story, completely done in 2D pixel art.
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 Calling it a stealth game is a stretch
Even though the setting of the game draws inspiration from stealth "lore" it is at its core a twitch platformer in disguise (get it?).
Con Difficult
This is a game made to be extremely difficult, in the vein of Super Meat Boy or N+ the player will die and die a lot. This can be frustrating a time goes on and the further one gets as the game really increases difficulty.