Durability

Built for fun by a civil engineer who thinks about concrete way too much, Durability is a love letter to the world's most underrated material — and a sneaky lesson in why good concrete lasts and bad concrete spalls.

In Durability, you're the last line of defense for a reinforced concrete wall under siege. Carbonation, chlorides, sulfates, freeze-thaw — the usual suspects are all coming for it.

Before you start, spec your concrete: cover depth, curing, mix, air content, all on a budget, just like a real project. Then grab your paddle and deflect the falling threats. Let one slip past and hit the wall, and its durability takes a hit. Keep an eye on those lifebars.

Mind the falling water droplets, catch one and your paddle picks up speed for a bit, making it trickier to control.

Score points and unlock your defenses as you go:

• At 100 points, apply a Coating (costs 20 points), boosting every lifebar and shrugs off every other hit while it lasts
• At 200 points, call in a Patch Repair (costs 20 points), fresh mortar and one extra hit of protection on every bar

The game ends the moment any single threat fully breaks through.

Spec smart, defend hard, and enjoy!