UPDATE: v0.0.9.0 & The forum still cannot reply , waitting for valve to fix it.

--- Change: Enemy cann't attack outside of screen now. (except fish and bosses)

--- New: local co-op with keyboard & gamepad.
1, press "Space" to active keyboard moede.
2, When choose character, press gamepad button "A" to join another player.

--- New: Gamepad disconnect detection

--- Improve: Golem AI.
If golem goes far away from master, it will be transport back to the master.

Thanks for your feedback.

By the way, The forum still cannot reply.
Sorry for that.