When comparing Quakespasm Rift vs Classroom Aquatic, the Slant community recommends Classroom Aquatic for most people. In the question“What are the best Oculus Rift games?” Classroom Aquatic is ranked 40th while Quakespasm Rift is ranked 52nd. The most important reason people chose Classroom Aquatic is:
A really fresh "stealth game" that uses the Oculus Rift in a unique way
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Pros
Pro Classic Quake gameplay for modern times
Quakespasm is a port of the original iD engine for Quake with modern systems and conventions in mind. It adds correct 64-bit support, modern controls, bakes music in the game instead of asking for a CD, etc. Quakespasm Rift builds on top of that codebase to add Oculus Rift support.
Pro Unique and funny concept
A really fresh "stealth game" that uses the Oculus Rift in a unique way
Pro No VR sickness
Since the player and the character are stationary with the desk creating a frame of reference, much of the issues with motion sickness are avoided.
Cons
Con VR may cause nausea
There are some sensory information mismatch issues created by the in-game characters movements and players stationary position as well as the sheer speed of the gameplay that can easily induce nausea.
Con Barebones gameplay
The gameplay consists of cheating on a test by looking for answers on other student's sheets while the teacher isn't looking. There's not much else to it and so the game feels much more like a proof of concept than a full-fledged game.