Press <TAB> to swap between MOVE & ATTACK modes.
Press <Arrow Keys> to move the cursor.
Press <C> to center the cursor on the player.
Press <Space Bar> to hold and aim (camera follows cursor).
Press <Enter> or <L. Click> to select that tile.
Press < / > or <R. Click> on an entity/wall/item to open the actions menu.
Press <SHIFT+I> to hide/show Inventory.

Press < ' >, (Apostrophe) to select items or enemies within your movement or attack ranges respectively.
Press <P> to enter Peek mode. You can move one tile, attack and move back. Uses 2 action points.
Press <R> to reload your equipped weapon (uses 1 action point).
Press <G> to grab item(s) from an adjacent tile.
Press <D> to open/close an adjacent door.
Press < , >, (Comma) to pick up item(s) you are standing on.
Press < . >, (Period) to pass your turn.
Press <Number Keys> to use/equip the cooresponding hotbar item.
<L. Click> items in inventory to use/equip them. Drag & drop to rearrange.
<R. Click> items in inventory for a context menu.

Press <Z> to toggle zoom in/out.
Press <SHIFT+E> to toggle EDIT mode.
Press <ESC> to exit EDIT mode or PEEK mode, and to cancel throwing an item.
R. Click tiles to populate coordinate input fields. (Spawning an item on the player/enemy will put it in their inventory.)