Map is 4(height)x12(length).
You start out with 25 gold. You gain 3 golds per turn. When your unit is on enemy's land (4x4 area), each unit gives +1 gold per turn.
Archer
Movement 2
Range 3
HP 3
Damage 1
Cost 9
Infantry
Movement 2
Range 1
HP 5
Damage 2
Cost 13
(note: infantry can only move forward or sideways; no backward movement)
(note: infantry can only attack forward and forward diagonal)
Cavalry
Movement 3
Range 1
HP 4
Damage 2
Cost 16
(note: cavalry can attack sideways units, that is, right above or under cavalry's position)
Catapult
Movement 1
Range 3~5
HP 4
Damage 3
Cost 20
Reload 2 gold
(note: catapult takes a turn to reload, and it costs 2 gold. you cannot attack on the turn you reloaded, vise versa)