接触するとゲームオーバーになる地形がある。 ジャンプや移動でスパイクのある地帯を避けて進む。
weapon: change field weapon: vertical field: spike field: rotate on pressed: jump on pressed: shoot on got item: power up
on pressed: flap on pressed: shoot field: roughness field: spike rule: time limit
field: weather player: string field: spike
on got item: reverse state on holding: move field: spike
player: limited vision on pressed: jump field: spike
player: multiple on holding: thrust field: spike
player: inverted on pressed: reverse state on pressed: jump field: spike
on holding: thrust field: roughness field: spike
