У вашего броузера проблема в совместимости с HTML5
Unity 3D - Item Spawner Asset
Link:
https://www.assetstore.unity3d.com/en/#!/content/90277
Has a Survival Game, Battle Royale,... and need an system to spawn random items in the map?
HERE IS YOUR SOLUTION!
ITEM SPAWNER is easy to use & understand.
You'll be ready to use the asset after a few minutes of setup!
Features:
•Rarity system;
• Random Spawn;
• Complete Manual;
• Prefabs;
• DEMO Scene;
• Well commented code (C#);
• Easy to use.
Includes documentation to help you implement the Item Spawner in your game!
https://www.assetstore.unity3d.com/en/#!/content/90277
U3D version - 5.6
Paulo Kramer
2017