When comparing ZSNES vs Proteus, the Slant community recommends ZSNES for most people. In the question“What are the best low-spec PC games?” ZSNES is ranked 61st while Proteus is ranked 95th. The most important reason people chose ZSNES is:
ZSNES has been in development since the 90's, and in that time has been fixed to run the vast majority of SNES games smoothly. Due to it's "accuracy", it can run roms that most other emulators would break. Not because the emulation is broken, but because the roms are broken.
Specs
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Pros
Pro "Compatible" with most games
ZSNES has been in development since the 90's, and in that time has been fixed to run the vast majority of SNES games smoothly.
Due to it's "accuracy", it can run roms that most other emulators would break. Not because the emulation is broken, but because the roms are broken.
Pro Fast playback of ROMs
ZSNES is hand-optimized for x86, so it will run incredibly smoothly even on older computers.
Pro Built-in video capture
Gameplay can be recorded and saved as both raw or lossy files. Quality settings can be tweaked in zmovie.cfg file.
Pro Games can be saved at any point
Pro Multiplayer support
Games can be played with other people over TCP/IP network.
Pro Built-in support for cheat codes
ZSNES supports Game Genie, Pro Action Replay, and GoldFinger cheat codes.
Pro Built-in audio capture
Game audio can be saved to a .spc file.
Pro Can speed-up and rewind games
Pro Simple mechanics
Proteus is more a walking simulator than a game, which makes it a great introduction to the controls of a first person view title as that is all one will really do, walk around. There are no real goals to the game other than walking to advance the seasons of the environment in order to see them. No confusing settings, no skill tress or complicated mechanics, which is great for people that find those types of things confusing or too stressful.
Pro Works well on low resource hardware
This is great for those that do not own a dedicated gaming rig and just have a low resource system such as a laptop or low priced tower since more people will be more likely to own such a device, which makes for a great introduction to gaming while not having to sink a large amount of money into a rig.
Cons
Con Laughably out of date
Not only was it abandoned over 10 years ago, the strides that other emulators have made in the same time is astounding.
Con Inaccurate compared to competition
ZSNES sacrifices emulation accuracy for speed (relative to e.g. Higan emulator). Sound emulation is a particularly large weakness.
Con Abandoned
While no official statement on discontinuing the software was made, last progress update was posted in 2007 and now seems highly unlikely that any further updates should be expected.
Con Pretty short
The game can be finished in about an hour, or even less if one is rushing. So while the game is fun to experience, once completed one knows pretty much what to expect and may not make for the best option when considering the cost compared to longevity.