health bar now gets destroyed when players die, and get created when players spawn/respawn. This fixes issue where health bar stays on screen after player dies.
Fixed `Time Left!` display. Added obstacle course ends for all 4 maps. Sets obstacle course end goals to only work on the correct gamemode. Set correct time limits for keep away in every map.
Implemented music
Added cloud tiles
Made players be able to stand on each others' heads
Synced the music and day/night cycle
Added a transition in to the gameplay scene
Fixed blocking while dying bug
