Survivalcraft 2

Fixed broken uploading/downloading of 2.3 worlds
Crouching deaths in low spaces fixed
General crouching behavior improvements
Reduced Sparrows spawn rate
Different, more varied new world names
Fixed glitches and improved wooden ladder
Fixed depth clipping when crouching near a wall
Hammer makes appropriate material sound when used to make furniture
Reduced chance of spawning of many creatures of the same type
Reduced number of pickables created by explosions
Fixed cairn collision box