koobas.hobune.stream
Island from Unity 2.6
Can I use the Tropical Islnd from Unity 2.6 for this tournament?
I ask because i don't know whether allow to use the Island.
Which tournament are your referencing? According to Unity, you can use any of the Unity demo projects in any of your work - there are no license restrictions.
Well, two things make me think you will need to modify it quite a bit, bold below.
Competition guidelines
You must create an original piece of work in Unity 4.0 and DirectX 11.
The project can be any kind of interactive content: a game, demo, flyby, scene, environment, effect, shader, as long as it uses DirectX 11 and Unity 4.0.
Participants may work alone or as part of a team. Please name all team members when you register. Additional members and details may be included in a text file when submitting your entry.
The use of external assets is permitted, on the condition that a substantial portion of the project is original and the participants have the right to use and redistribute assets.
Multiple entries are permitted.
