Fleet arena needs a bit of work. A bit too expensive for the return. Opponents shouldn't be able to not have a full fleet, which further reduces the return
On the first level, the amount of mouse drag required to get out of the bottom pit leaves the screen, which does not generate enough distance to escape
 "Incremancer"){kind=icon}
 "Space Arena: Build and Fight!"){kind=icon}
 "Squidy 2"){kind=icon}
Thank you for your remarks and suggestions!