Tiny Knights Commander

Strategy game where you summon knights to fight for you!
I didn't have time to put a tutorial in the game so here are the controls:

WASD or Click and drag - move the camera

Mouse wheel - zoom in and out

Add units to the queue and when the next wave starts they will march on the battlefield!

J - Spearman - Glass cannons that move at lightning speed
K - Knight - High HP units 
L - Archer - Deal damage from a distance
H - Healer - Heal nearby units that are hurt

Backspace - remove units from queue