when level uo，press space to summon only one friend，keep your friends alive，they are helpful

My Video:

https://youtu.be/5sZJHmtgQYY

That was fun! www.youtube.com/watch?v=5sZJHmtgQYY&

you can try this LINK:

https://play.unity.com/mg/other/123-lr82k

Unity change my resolution，so the grass is flying，best download，thanks