Half-Life 2, Symbol, Metal Works.

just throwin ideas out there but if you install it as a toilet seat you could take lambda shape dumps like a TRUE fan

Fap with it of course.

Combining hercule & Eric’s views:
Put it inside a pregnant woman’s uterus, so then it would give birth to Lambda-shaped babies! (Or horrific shapes which would land me in jail)

+1 to you.

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.