Should you donate to "earn" tax relief?

Donate money to reduce tax: do you actually pay less?

AES(AES(AES(...))): What happens if you keep encrypting?

What value do you end up?

Why low interest ≠ low cost?

When 0% interest isn’t.

How do mortgage calculators work?

Mortgage maths with huge consequences.

Hornet punching

How hornets can fly through walls in Half-Life.

Stamina in Counter-Strike 1.6

You run slower and jump lower when you’re tired in CS1.6!

Bounding box of a corpse

Why do dead bodies block you in Half-Life?

Wrench in Opposing Force

Opposing Force’s crowbar.

Why only human grunts duplicate ammo drops

If only we get to do this with other NPCs…