It may be overdone and a dated reference, but...

RELEASE THE KRAKEN!

...and their little tentacle friends.

When our spearmen level up, their helmets grow to accommodate the massive increase in brain power.

Also bigger stabby.

In the Roguelike game mode, nothing respawns. Your workers will stand there, motionless, peering over barren wastes :(

Press F to pay respects to the workers.

I stab you with a pointy stick
To get you off that horse real quick
Maiming gives me so much joy
Because I am a prickly boy

From the fog of war comes... an invasion!

In the Stop the Army game mode, you have to carefully maneuver around a rampaging army that starts out at over 50000 strength! 😱