They have just one wound.

Realm of Chaos - Warhammer - was created in 000.

The Gamesworkshop website, you can buy them by themselves or buy the assault on Black Reach which has a small Ork army and a small Space Marines army.

The first box set of 40k was a game called Warhammer:40,000 Rogue Trader, the original name of Warhammer 40k. Later the name Rogue Trader was removed and became a specialty role-playing game similar to that of D&D (Dungeons & Dragons) in terms of character creation.