Warhammer 40,000 rules, editions and what you need to play: your questions answered

The questions in this section

• Do I need the rulebook or a codex?
  Whether you have to buy a rulebook or codex to play 11th edition, what is free, and which boxes already hold the rules.
• What does the Warhammer 40,000 app do?
  What is free in the Warhammer 40,000 app, what War Journal and Combat Patrol support add, and what to check before you rely on it.
• Do I have to paint my models to play?
  Whether you must paint to play Warhammer 40,000, and what clubs and events tend to expect.
• How much terrain do you need?
  How many terrain areas an 11th edition game uses, what each one does, and ways to fill a table.
• What do I need for my first game?
  What to have on the table for a first game of 11th edition Warhammer 40,000, and three ways to buy it.
• Returning to 40k: what has changed?
  What a returning player needs to know about 11th edition: terrain, objectives, charging, army building and missions.
• Can I use my 10th edition models and boxes?
  Which of your 10th edition models, boxes and books still work in 11th edition Warhammer 40,000, and what does not.
• Do I need the mission deck or Dominatus?
  What the mission deck and the Dominatus campaign deck do in 11th edition 40k, and which one, if either, you need.