When comparing Unigine vs Shoot 'Em Up Kit, the Slant community recommends Unigine for most people. In the question“What are the best 3D game engines?” Unigine is ranked 51st while Shoot 'Em Up Kit is ranked 55th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Fantastic realistic graphics
Pro Large open worlds
Pro NPC Generators
Control NPC spawning position, frequency, maximum enemy active at once, and maximum enemies created by the generator.
Pro Support for user-created HLSL shaders
Both model and post-process shaders.
Pro Great for shoot 'em ups
The name fits the functionality.
Cons
Con Core version quite expensive for better funded/higher revenue projects
Commercial projects with revenue or funding less than $100K in the last 12 months can use the Community version for free. If/when the limit is reached, only Community Pro version with a $150/month subscription becomes available (or Engineering version for $5995/year).
Con Website is hard to navigate
When you read the features on the homepage, it always switches to another feature. There is not features panel.
Con Lacking some details
No information on file formats or codecs in the manual.
Con Tutorials are too short and too old
The only real tutorial videos are 1 or 2 minutes long, and date from 2013.