Taking damage
The walls will crack and crumble as they take damage
the ballistas will crack and catch fire as they take damage
the townsfolk will shake and run back to the living hole when they tke damage
Enemy taking damage
the enemies will flash and get staggered when they take damage
Big boss coloration will become more orange and have steam jets coming out of his ears the more he is hurt as he advances through his stages.
Low stat warnings
message will spawn as a speech bubble from the living hole as the wall or defenses are about to break or are in need of repair at 25% or less as the neighbors shout warnings
Alarm horn will souund as an audio cue
Successful actions
confetti will shoot out of the living hole when each stage is cleared and you will see 1to 4 stars appear depending on how well your stage went , how many walls destroyed townspeople lost etc at the end of the game all the stars are averaged out to a final ranking of 1 to 4 stars rounded up showing what rank general you have become for the living hole
Progress towards the end game
waves remaining count before big boss arrives this can be adjusted in the difficulty harder difficulty will have more total waves. this will appear in the upper right hand of the screen to the left of the inventory backpack
Collecting items
there will be a chime and the items in the backpack will update
Failing a run
there will be a rumble sound and the wall will collapse
the enemies will cheer and zurg the living hole knocking down player and any townsfolk on the map.
finally a Keep out sign will fly out of the living hole and post itself in the ground in front of it and a message you lost the living hole will pop up and the player will be routed to the game loss screen.
Reaching checkpoints or save points
Wave reppelled message will show on the screen at the end of each defeated wave and a checkpoint will be saved for your playthrough so you can pick up at the last cleared playthrough if you loose or choose to start over.
Interacting with objects
sparkly outlines around the items you or your townspeople can pick up
Entering new phases or waves
Message will show before a new wave starts "Oh Noes!!! more bagguys are on their way prepare for another beat down..." then a 10 second count down timer will start so you have time between stages to collect and repair / build before ethe next wave starts with audio chimes in the last 3 seconds.