Play Instructions:

Press [Left/Right arrows] or [A]/[D] to scroll the field. Press [Z] or [C] keys to fast scroll to the left or right edge of battlefield. Press [Up/Down arrows] or [W]/[S] to control the arrow sign (only for manual troops appear). Press [P] to pause the game. Click units to train or use [1..9] hotkeys. Read in game instructions.

Control Scheme:

Fire: left_mouse.
Movement: mouse.
Jump: na.