Half-Life Series Quiz: Test Your Gaming Knowledge

Questions and Answers

When was the original Half-Life game released?

The original Half-Life game was released in 1998.

Who is the protagonist of the Half-Life series?

The protagonist of the Half-Life series is Gordon Freeman.

What games were inspired by Half-Life's community-developed mods?

Counter-Strike and Day of Defeat were multiplayer games inspired by Half-Life's community-developed mods.

What was the first game in the Portal series set in the same universe as Half-Life?

The first game in the Portal series, set in the same universe as Half-Life, was released in 2007. Signup and view all the answers

When did Valve release its flagship virtual reality game, Half-Life: Alyx?

Valve released its flagship virtual reality game, Half-Life: Alyx, in 2020. Signup and view all the answers

What is the Banana equivalent dose (BED)?

BED is an informal unit of measurement of ionizing radiation exposure, intended as a general educational example to compare a dose of radioactivity to the dose one is exposed to by eating one average-sized banana. Signup and view all the answers

Which radioactive isotope is found in bananas?

Bananas contain naturally occurring radioactive isotopes, particularly potassium-40 (40K), one of several naturally occurring isotopes of potassium. Signup and view all the answers

What is the correlation between one BED and sievert?

One BED is often correlated to 10−7 sievert (0.1 μSv). Signup and view all the answers

Is the banana equivalent dose a formally adopted dose measurement?

The BED is only meant as an educational exercise and is not a formally adopted dose measurement. Signup and view all the answers

When was the concept of banana equivalent dose first mentioned?

The origins of the concept are uncertain, but one early mention can be found on the RadSafe nuclear safety mailing list in 1995. Signup and view all the answers

Study Notes

Half-Life Series

The original Half-Life game was released in 1998.
The protagonist of the Half-Life series is not specified by name ( Gordon Freeman is implied).

Games Inspired by Half-Life Mods

Some games, such as Counter-Strike and Team Fortress, were inspired by Half-Life's community-developed mods.

Portal Series

The first game in the Portal series is Portal, set in the same universe as Half-Life.

Half-Life: Alyx

Valve released its flagship virtual reality game, Half-Life: Alyx, in 2020 (not specified in text, but general knowledge).

Banana Equivalent Dose (BED)

What is BED?

BED stands for Banana Equivalent Dose, a humorous unit of radiation measurement.
One BED is equivalent to the radiation dose of eating one banana, approximately 0.1 μSv (microsieverts).