Suggest an alternative to

Crystal2Day

Simple 2D game framework in Crystal

Why do you think that https://github.com/ObEngine/ObEngine is a good alternative to Crystal2Day

A URL to the alternative repo (e.g. GitHub, GitLab)

Here you can share your experience with the project you are suggesting or its comparison with Crystal2Day. Optional.

A valid email to send you a verification link when necessary or log in.