
Controls
The mouse sets the angle, the wheel sets the power, the number keys pick an item. Angle and power are deliberately separate: that is what makes a lobbed shot possible at any range. In the game the reference opens with H — this is the same thing, in full, with the cost of every action.
In battle
Aiming angle: the barrel follows the cursor
Shot power · Shift for fine adjustment
Shot power, in steps of 14
Pick an item from the loadout
Fire
Drive left / right · ◆1
Turn the hull around · ◆1
Dig in · ◆1
Focus: the next shot lands tighter · ◆1
Build an embankment · ◆1
Tunnel · ◆2
Blow the ledge support · ◆2
Skip the turn and bank the points · ◆0
Ground types on the map: expand and collapse
Screens
Key reference
Loadout builder
Campaign
Shot of the day
Pick a battle format
Against a bot or two players on one screen
New battle
Level editor
In a replay
Pause
Step one frame
Playback speed
Restart the recording

The game fills the window
The full-screen button sits next to the player name. The interface scales with the screen: on a large monitor everything gets bigger, not smaller.
Image quality is a separate setting: on a weak machine it can be lightened without losing the readability of the battlefield.

The reference is always at hand
The H key shows everything listed here at any moment of a battle.