The phrase "alternative to real" is correct and usable in written English.
It can be used when discussing options or substitutes for something that is genuine or authentic.
Example: "In the world of virtual reality, many users seek an alternative to real experiences that can provide similar excitement."
Alternatives: "substitute for genuine" or "replacement for authentic".
Dwelling online is a cowardly and utterly enjoyable alternative to real interaction.
Fake logs made of sawdust and paraffin, invented in the 1950's, are a popular alternative to real firewood.
Our current path is an alluring alternative to real international leadership, with its hard choices, gray areas and persistent struggle.
It was, by Nichols' own admission, an acceptable alternative to real fighting, though the camp theatrics they came up with warranted the phrase "ooh, you are awful".
Our results indicate that virtual environments can be an alternative to real environments for user experience studies, when a high presence is achieved.
In addition to his academic work, he invented a way of producing beef extract from carcasses, which could provide a cheap, nutritious alternative to real meat (we know this today as beef bouillon).
The use of simulators as an alternative to real-world robots is often employed to reduce the time required to develop effective controllers in the ER process.
This simple chip allows rapid quantitative digital nucleic acid detection directly from small human blood samples, an alternative to real-time PCR testing in remote or low-resource settings.
Net-present-value analysis of expected cash flows the main alternative to real-options analysis and the method most firms use to value investment projects—requires making simplifying assumptions that are at least as heroic as any made in an options-based calculation.
Computer models support risk assessment and disaster response planning in the study of emergency preparedness by providing a practical alternative to real-world experiments, which in many cases are so costly and disruptive when performed on real situations that they do not provide a viable option.
From these results, it can be inferred that a high dependency on Internet use provided subjects with an alternative to real-life relationships that are associated with a lack of interpersonal skills.
